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19-3449; Rev 0; 11/04
Single 1.2A USB Switch in 3mm x 3mm TDFN
General Description
The MAX8586 single current-limited switch controls up to 1.2A to power USB applications and has multiple protection features including thermal shutdown, internal current limiting, and reverse current protection. The thermal shutdown limits junction temperature during a prolonged short or overload condition. The internal current-limiting circuitry protects the input supply against overload and is programmable using an external resistor. The MAX8586 meets all IEC specifications for USB ports. The IC latches off when the output experiences a short circuit for more than 20ms, saving system power. Autorestart tests the shorted output with a 25mA current to determine if the short still exists. Once the short is removed, the MAX8586 automatically restarts the output. An open-drain fault signal notifies the system that the internal current limit has been reached. A 20ms fault-blanking feature allows the circuit to ignore momentary faults such as those caused when hotswapping into a capacitive load. An ENRESET input is available to disable the auto-restart function. The MAX8586 features a SEL input that programs ON to be either active high or active low. The IC is supplied in a space-saving, 8-pin, 3mm x 3mm TDFN package.
PART
Features
Reverse Current Protection Programmable Current Limit Up to 1.2A Accurate Current Limit Selectable Auto-Restart when Fault Is Removed Thermal-Overload Protection Selectable Active-High/Low ON Input Built-In 20ms Fault Blanking Compliant with All USB Specifications 2.75V to 5.5V Input Supply Range FAULT Indicator Output 15kV ESD Protection (with Caps) UL Listing Pending Tiny 8-Pin 3mm x 3mm TDFN Package
MAX8586
Ordering Information
TEMP RANGE PINPACKAGE 8 TDFN 3mm x 3mm (T833-2) TOP MARK AMH
Applications
USB Ports/Hubs Desktop/Notebook Computers PDAs and Palmtop Computers Docking Stations
INPUT SUPPLY 2.75V TO 5.5V
MAX8586ETA
-40C to +85C
Typical Operating Circuit
OUTPUT SUPPLY UP TO 1.2A
IN
OUT
OUTPUT FAULT INDICATOR
MAX8586
FAULT ENRESET
AUTO-RESTART ON/OFF
ON/OFF POLARITY SELECTION ON/OFF CONTROL
SEL ISET ON GND
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
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Single 1.2A USB Switch in 3mm x 3mm TDFN MAX8586
ABSOLUTE MAXIMUM RATINGS
IN, ON, SEL, OUT, FAULT, ISET, ENRESET to GND ..-0.3V to +6V IN to OUT.....................................................................-6V to +6V FAULT Sink Current ............................................................20mA Continuous Power Dissipation 8-Pin 3mm x 3mm TDFN (derate 24mW/C above +70C) ................................1951mW Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = VON = VSEL = VENRESET = 5V, RISET = 26k to GND, R FAULT = 100k pullup to VIN, COUT = 0.1F, TA = -40C to +85C. Typical values are at TA = +25C, unless otherwise specified. Note 1)
PARAMETER Supply Voltage Range VIN = 5V Switch On-Resistance IN Standby Supply Current IN Quiescent Supply Current OUT Off-Leakage Current Undervoltage-Lockout Threshold Current-Limit Threshold VIN = 3V VIN = 4.4V VON = 0V IOUT = 0A VON = 0V, VOUT = 0V TA = +25C TA = +85C 2.3 1.2 0.800 0.5 RISET = 26k RISET = 39k RISET = 60k RISET = 26k RISET = 39k RISET = 60k 1.35 3 30 0.02 0.6 2.5 1.4 0.925 0.6 1.75 1.2 0.74 0.55 0.37 0.23 1 8 20 40 V ms A (RMS) 2.7 1.6 1.050 0.7 2.20 A (Peak) A CONDITIONS MIN 2.75 55 65 95 6 55 1 A A A V m TYP MAX 5.50 UNITS V
Rising edge, 3% hysteresis (typ) RISET = 26k RISET = 39k RISET = 60k
Peak Short-Circuit Current Limit
VOUT = 0V, (IOUT pulsing) VOUT = 0V, (IOUT pulsing) (Note 2)
RMS Short-Circuit Current Limit Short-Circuit/Continuous Current Limit Transition Threshold Fault-Blanking Timeout Period
From current-limit condition to FAULT falling
2
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Single 1.2A USB Switch in 3mm x 3mm TDFN
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VON = VSEL = VENRESET = 5V, RISET = 26k to GND, R FAULT = 100k pullup to VIN, COUT = 0.1F, TA = -40C to +85C. Typical values are at TA = +25C, unless otherwise specified. Note 1)
PARAMETER Turn-On Delay CONDITIONS ROUT = 10, COUT = 1F, measured from ON rising to 10% of VOUT, does not include rise time ROUT = 10, COUT = 1F, measured from 10% to 90% of VOUT ROUT = 10, COUT = 1F measured from ON falling to 90% of VOUT ROUT = 10, COUT = 1F, measured from 90% to 10% of VOUT 15C hysteresis (typ) VIN = 2.75V to 4.0V VIN = 4.0V to 5.5V VIN = 2.75V to 4.0V VIN = 4.0V to 5.5V TA = +25C ISINK = 1mA VIN = 5.5V, TA = +25C RISET = 26k 26 In latched-off state, VOUT = 0V In latched-off state, VOUT rising In latched-off state, VOUT>1V 10 0.4 8 25 0.5 20 600 60 60 0.6 40 -1 1.6 2.0 0.6 0.8 +1 0.4 1 MIN 0.5 TYP 1.5 MAX 4.0 UNITS ms
MAX8586
Output Rise Time Turn-Off Delay from ON Output Fall Time Thermal-Shutdown Threshold ON, SEL, ENRESET Logic Input High Voltage ON, SEL, ENRESET Logic Input Low Voltage Logic Input Current FAULT Output Low Voltage FAULT Output High Leakage Current ISET Current-Limit Trip Point ISET External Resistance Range Auto-Restart Current Auto-Restart Threshold Auto-Restart Delay
5.5 100 4 +160 1000
ms s ms C V V A V A mV k mA V ms
Note 1: All devices are 100% production tested at TA = +25C. Limits over the operating temperature range are guaranteed by design. Note 2: The output voltage at which the device transitions from short-circuit current limit to continuous current limit.
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Single 1.2A USB Switch in 3mm x 3mm TDFN MAX8586
Typical Operating Characteristics
(Typical Application Circuit, VIN = VON = VSEL = VENRESET = 5V, TA = +25C, unless otherwise noted.)
QUIESCENT SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX8586 toc01
SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX8586 toc02
SWITCH LEAKAGE CURRENT vs. TEMPERATURE
0.45 0.40 LEAKAGE CURRENT (A) 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 VON = 0V
MAX8586 toc03
40 35 SUPPLY CURRENT (A) 30 25 20 15 10 5 0 0 1 2 3 4 5 6 SUPPLY VOLTAGE (V)
10 9 8 SUPPLY CURRRENT (A) 7 6 5 4 3 2 1 0 0 1 2 3 4 5 6 SUPPLY VOLTAGE (V) VON = 0V
0.50
-40
-15
10
35
60
85
TEMPERATURE (C)
NORMALIZED ON-RESISTANCE vs. TEMPERATURE
MAX8586 toc04
CONTINUOUS CURRENT LIMIT vs. TEMPERATURE
MAX8586 toc05
CURRENT LIMIT vs. TEMPERATURE
1.48 1.46 CURRENT LIMIT (A) 1.44 1.42 1.40 1.38 1.36 1.34 VENRESET = 5V
MAX8586 toc06
1.50
1.60 1.58 1.56 CURRENT LIMIT (A) 1.54 1.52 1.50 1.48 1.46 1.44 1.42 VENRESET = 0V -40 -15 10 35 60
1.50
1.25 NORMALIZED RON
1.00
0.75
1.32 1.30 85 -40 -15 10 35 60 85
0.50 -40 -15 10 35 60 85 TEMPERATURE (C)
1.40 TEMPERATURE (C)
TEMPERATURE (C)
CURRENT LIMIT vs. INPUT VOLTAGE
MAX8586 toc07
SWITCH ON-TIME vs. TEMPERATURE
MAX8586 toc08
SWITCH OFF-TIME vs. TEMPERATURE
9 8 OUTPUT FALL TIME (ms) 7 6 5 4 3 2 1 0 60 85 -40 MEASURED FROM ON LOW UNTIL VOUT FALLS TO 10% OF THE INPUT -15 10 35 60 85 RLOAD = 5
MAX8586 toc09
2.0 1.9 1.8 CURRENT LIMIT (A) 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 2.7 3.4 4.1 INPUT VOLTAGE (V) 4.8 VENRESET = 5V
9.0 8.5 8.0 7.5 ON-TIME (ms) 7.0 6.5 6.0 5.5 5.0 4.5 4.0 MEASURED FROM ON HIGH UNTIL VOUT REACHES 90% OF THE INPUT -40 -15 10 35 NO LOAD RLOAD = 5
10
5.5
TEMPERATURE (C)
TEMPERATURE (C)
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Single 1.2A USB Switch in 3mm x 3mm TDFN
Typical Operating Characteristics (continued)
(Typical Application Circuit, VIN = VON = VSEL = VENRESET = 5V, TA = +25C, unless otherwise noted.)
FAULT-BLANKING TIME vs. TEMPERATURE
MAX8586 toc10
MAX8586
AUTO-RESTART CURRENT vs. TEMPERATURE
MAX8586 toc11
AUTO-RESTART CURRENT vs. INPUT VOLTAGE
MAX8586 toc12
35 33 FAULT-BLAMKING TIME (ms) 31 29 27 25 23 21 19 17 15 -40 -15 10 35 60
28 27 AUTO-RESTART CURRENT (mA) 26 25 24 23 22 21 20
40 AUTO-RESTART CURRENT (mA) 35 30 25 20 15 RLOAD = 0.5 10
85
-40
-15
10
35
60
85
2.7
3.4
4.1 INPUT VOLTAGE (V)
4.8
5.5
TEMPERATURE (C)
TEMPERATURE (C)
OVERLOAD RESPONSE INTO 2
MAX8586 toc13
OVERLOAD RESPONSE INTO SHORT CIRCUIT
MAX8586 toc14
FAULT
5V/div
FAULT
5V/div
IIN
2A/div
IIN
2A/div
IOUT FAULT REMOVED VOUT
2A/div 5V/div
IOUT FAULT REMOVED VOUT
2A/div 5V/div
10ms/div
10ms/div
SWITCH TURN-ON WAVEFORM INTO NO LOAD
MAX8586 toc15
SWITCH TURN-ON WAVEFORM INTO 5 LOAD
MAX8586 toc16
2V/div
2V/div
VOUT 2V/div
VOUT 2V/div
VON 1ms/div
VON 1ms/div
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Single 1.2A USB Switch in 3mm x 3mm TDFN MAX8586
Typical Operating Characteristics (continued)
(Typical Application Circuit, VIN = VON = VSEL = VENRESET = 5V, TA = +25C, unless otherwise noted.)
SWITCH TURN-OFF WAVEFORM INTO 5 LOAD
MAX8586 toc17
STARTUP INTO 10F
MAX8586 toc18
VOUT
2V/div
FAULT
5V/div
VIN AC-COUPLED VON
50mV/div
IOUT 2V/div VOUT
20mA/div 2A/div
1ms/div
2ms/div
STARTUP INTO 470F
MAX8586 toc19
UVLO RESPONSE WITH 50 LOAD
MAX8586 toc20
FAULT
5V/div
FAULT VIN
5V/div
VIN AC-COUPLED
50mV/div 2V/div VOUT
IOUT
500mA/div 2V/div 2V/div
VOUT 2ms/div 4ms/div
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Single 1.2A USB Switch in 3mm x 3mm TDFN
Pin Description
PIN 1 2 3 4 5 6 7 8 -- NAME SEL ISET ON IN OUT FAULT GND ENRESET EP FUNCTION ON Polarity Selector Input. Drive SEL high to select ON for an active-high enable. Drive SEL to GND to select ON for an active-low enable. Current-Limit Programming Input. Connect a resistor from ISET to GND to set the internal current limit. The valid range for RISET is 26k to 60k. Enable Input. Drive ON high to enable the device when SEL is high. Drive ON low to enable the device when SEL is low. Power-Supply Input. Connect to an input power supply in the 2.75V to 5.5V range. Bypass IN to GND with a 1F or greater ceramic capacitor. Power Output. Bypass OUT to GND with a 1F or greater capacitor. OUT is high impedance during shutdown. Open-Drain Fault-Indicator Output. FAULT is low when the input is below UVLO, or during current limit, reverse current detection, or thermal shutdown. Ground. Connect GND to the exposed paddle and to a ground plane. Auto-Restart Enable Input. Drive ENRESET high to enable auto-restart mode. Drive ENRESET low to disable auto-restart mode. Exposed Pad. Connect the exposed pad to a large ground plane to improve thermal power dissipation.
MAX8586
Functional Diagram
IN
OUT OSCILLATOR CHARGE PUMP
UVLO
20ms TIMER
SEL ON
CONTROL LOGIC
CURRENTLIMIT CIRCUITRY + 25mA O.5V
ISET
GND
THERMALSHUTDOWN CIRCUITRY
AUTORESTART CIRCUITRY
ENRESET FAULT
MAX8586
N
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Single 1.2A USB Switch in 3mm x 3mm TDFN MAX8586
Detailed Description
Current-Limit Protection
The MAX8586 uses two methods to protect the circuit from overcurrent conditions. Continuous current limiting has tighter accuracy but slower response time compared to short-circuit limiting. Combining both methods provides a high degree of protection for a variety of faults. When a current-limit fault occurs with V OUT greater than 1V, the device operates in continuous current-limit mode and limits output current to a user-programmable level. When V OUT is less than 1V, the device operates in short-circuit current-limit mode and pulses the output current to levels that are 30% (typ) higher than the selected continuous current limit. When either fault condition persists for 20ms (typ), the fault flag is asserted. With the auto-restart enabled (ENRESET high) the output also latches off and is tested with a 25mA current to detect when the fault condition has been removed. 20ms after the fault condition is removed, the output automatically restarts. With the auto-restart disabled (ENRESET low), the output continues to source the current-limit current as long as the fault is present. the output exceeds 0.5V for 20ms, the fault flag releases, the output turns back on, and the 25mA current source turns off. Active loads are not expected to draw measurable current when supplied with less than 0.5V. The autorestart function is enabled when ENRESET is high. Drive ENRESET low to disable the auto-restart function. When the auto-restart function is disabled, OUT regulates the current to the programmed current limit.
Fault Indicator and Fault Blanking
The MAX8586 provides an open-drain output (FAULT) to signal fault conditions. Connect FAULT to IN through a 100k pullup resistor for most applications. FAULT asserts low when any of the following conditions occur: * * * The input voltage is below the UVLO threshold. The switch junction temperature exceeds the +160C thermal-shutdown temperature limit. The switch is in current-limit or short-circuit currentlimit mode for longer than the fault-blanking period (20ms typ). The reverse current exceeds the 1A threshold for longer than the fault-blanking period (20ms typ).
*
Reverse Current Protection
The USB specification does not allow an output device to source current back into the USB port. However, the MAX8586 is designed to safely power noncompliant devices. During normal operation with the channel enabled, if the current from the output to the input exceeds 1A (typ) for more than 20ms (typ), the IC turns off the switch and the FAULT flag is asserted. When the IC is disabled, the output is switched to a high-impedance state, blocking reverse current flow from the output back to the input.
On/Off Control and UVLO
The MAX8586 has a selectable active-high/low ON polarity. Drive SEL high to select an active-high for ON; drive SEL low to select active-low for ON. The MAX8586 includes a UVLO circuit to prevent erroneous switch operation when the input voltage goes low during startup and brownout conditions. Input voltages of less than +2.5V (typ) inhibit operation of the device. FAULT asserts low during a UVLO condition.
Output Fault Protection and Auto-Restart
The MAX8586 uses an auto-restart function to detect short-circuit removal by sourcing 25mA from the output and monitoring the output voltage. When the voltage at
When auto-restart is enabled, the FAULT output goes high impedance after a 20ms delay once the fault condition is removed. With auto-restart disabled, during the fault the output is tested every 20ms. When the fault is removed, the FAULT output goes high impedance after a delay that can be up to 20ms. Ensure that the MAX8586 input bypass capacitance prevents glitches from triggering the FAULT output. To distinguish large capacitive loads from short circuits or sustained overloads, the MAX8586 has a fault-blanking circuit. When a load transient causes the output to enter current limit, an internal counter monitors the duration of the fault. For load faults exceeding the 20ms fault-blanking time, the switch turns off, FAULT asserts low, and the output enters auto-restart mode (see the Current-Limit Protection and Output Fault Protection and Auto-Restart sections). Only current-limit and short-circuit faults are blanked. Thermal-overload faults and input voltages below the UVLO threshold immediately turn the output off and assert FAULT low. Fault blanking allows the MAX8586 to handle USB loads that might not be fully compliant with USB specifications. The MAX8586 successfully powers USB loads with additional bypass capacitance and/or large startup currents while protecting the upstream power source. No fault is reported if the switch brings up the load within the 20ms blanking period.
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Single 1.2A USB Switch in 3mm x 3mm TDFN
Thermal Shutdown
When the MAX8586 die temperature exceeds +160C, the switch turns off and FAULT goes low. Thermal shutdown does not utilize the 20ms fault-blanking timeout period. When the junction temperature cools by 15C, the switch turns on again and FAULT returns high. When an overload condition persists, the switch cycles on and off, resulting in a pulsed output that reduces the average system load. bypass capacitors, limiting overshoot. If severe ringing occurs because of large load inductance, clamp the MAX8586 output below +6V and above -0.3V.
MAX8586
Turn-On and Turn-Off Behavior
The MAX8586 features a slow turn-on and turn-off, minimizing loading transients on the upstream power source. SEL sets the active polarity of the logic inputs of the MAX8586. Drive ON to the same logic state as SEL to enable the output. Drive ON to the opposite logic state as SEL to disable the output (see Table 1). The output enters a high-impedance state when disabled.
Applications Information
Setting the Current Limit
A resistor from ISET to ground programs the currentlimit value. Use a resistor between 26k and 60k to set the current limit according to the formula: ILIM(TYPICAL) = 36400 / RISET (Amps) Do not use RISET values below 26k because the maximum current rating of the device may be exceeded. RISET values larger than 60k are not recommended and do not provide a lower limit current than 500mA. If the output drops below 1V (typ), the MAX8586 shifts to a short-circuit current-limit threshold that is 30% above the programmed level given by the ILIM(TYPICAL) formula.
Table 1. SEL/ON Inputs
SEL High High Low Low ON High Low High Low OUT STATE Enabled Disabled Disabled Enabled
Layout and Thermal Dissipation
Keep all input/output traces as short as possible to reduce the effect of undesirable parasitic inductance and optimize the switch response time to output shortcircuit conditions. Place input and output capacitors no more than 5mm from device leads. Connect IN and OUT to the power bus with short traces. Wide power bus planes at IN and OUT provide superior heat dissipation as well. An active switch dissipates little power with minimal change in package temperature. Calculate the power dissipation for this condition as follows: P = IOUT2 x RON At the normal operating current (IOUT = 0.5A) and the maximum on-resistance of the switch (95m), the power dissipation is: P = (0.5A)2 x 0.95 = 24mW The worst-case power dissipation occurs when the output current is just below the current-limit threshold with an output voltage greater than 1V. In this case, the power dissipated in the switch is the voltage drop across the switch multiplied by the current limit: P = ILIM x (VIN - VOUT) For a 5.5V input and 1V output, the maximum power dissipation is: P = 1.6A x (5.5V - 1V) = 7.2W
Input Power Supply and Capacitance
To limit the input voltage drop during momentary output load transients, connect a capacitor from IN to ground. A 1F ceramic capacitor is required for local decoupling; however, higher capacitor values further reduce the voltage drop at the input. When driving inductive loads, a larger capacitance may be needed to prevent voltage spikes from exceeding the MAX8586's absolute maximum ratings.
Output Capacitance
A capacitor as large as 500F is allowed on the output to smooth out transients and/or increase rise/fall times. Larger output capacitance may be used, but the resulting output charge time during startup may exceed the fault-blanking period resulting in a FAULT flag.
Driving Inductive Loads
A wide variety of devices (mice, keyboards, cameras, and printers) typically connect to the USB port with cables, adding an inductive component to the load. This inductance causes the output voltage at the USB port to oscillate during a load step. The MAX8586 drives inductive loads; however, care must be taken to avoid exceeding the device's absolute maximum ratings. Usually, the load inductance is relatively small, and the MAX8586's input includes a substantial bulk capacitance from an upstream regulator as well as local
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9
Single 1.2A USB Switch in 3mm x 3mm TDFN MAX8586
INPUT SUPPLY 2.75V TO 5.5V R1 100k C1 1F IN OUT OUTPUT SUPPLY UP TO 1.2A C2 1F
OUTPUT FAULT INDICATOR
MAX8586
FAULT ENRESET
AUTO-RESTART ON/OFF
ON/OFF POLARITY SELECTION CONTROL/ ON/OFF
SEL ISET ON GND R2 26k
Figure 1. Typical Application Circuit
Because the package power dissipation is 1951mW, the MAX8586 die temperature exceeds the +160C thermalshutdown threshold when dissipating 7.2W, and the switch output shuts down until the junction temperature cools by 15C. The duty cycle and period are strong functions of the ambient temperature and the PC board layout (see the Thermal Shutdown section). If the output current exceeds the current-limit threshold, or the output voltage is pulled below the short-circuit detect threshold, the MAX8586 enters a fault state after 20ms, at which point auto-restart mode is enabled and 25mA is sourced by the output to test for removal of the overload. For a 5V input, OUT short circuited to GND, and auto-restart mode active, the power dissipation is as follows: P = 0.025A x 5V = 0.125W
Pin Configuration
TOP VIEW
SEL ISET ON IN 1 2 3 4 8 7 ENRESET GND FAULT OUT
MAX8586
6 5
TDFN
Chip Information
TRANSISTOR COUNT: 2117 PROCESS: BiCMOS
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Single 1.2A USB Switch in 3mm x 3mm TDFN
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.)
6, 8, &10L, DFN THIN.EPS
MAX8586
D2 D A2
N
PIN 1 ID
0.35x0.35 b
PIN 1 INDEX AREA
E DETAIL A
E2 e
[(N/2)-1] x e REF.
A1
k
C L
C L
A
L e e
L
PACKAGE OUTLINE, 6,8,10 & 14L, TDFN, EXPOSED PAD, 3x3x0.80 mm
-DRAWING NOT TO SCALE-
21-0137
G
1
2
COMMON DIMENSIONS SYMBOL A D E A1 L k A2 MIN. 0.70 2.90 2.90 0.00 MAX. 0.80 3.10 3.10 0.05
0.20 0.40 0.25 MIN. 0.20 REF.
PACKAGE VARIATIONS PKG. CODE T633-1 T633-2 T833-1 T833-2 T833-3 T1033-1 T1433-1 T1433-2 N 6 6 8 8 8 10 14 14 D2 1.500.10 1.500.10 1.500.10 1.500.10 1.500.10 1.500.10 1.700.10 1.700.10 E2 2.300.10 2.300.10 2.300.10 2.300.10 2.300.10 2.300.10 2.300.10 2.300.10 e 0.95 BSC 0.95 BSC 0.65 BSC 0.65 BSC 0.65 BSC 0.50 BSC 0.40 BSC 0.40 BSC JEDEC SPEC MO229 / WEEA MO229 / WEEA MO229 / WEEC MO229 / WEEC MO229 / WEEC MO229 / WEED-3 ------b 0.400.05 0.400.05 0.300.05 0.300.05 0.300.05 0.250.05 0.200.05 0.200.05 [(N/2)-1] x e 1.90 REF 1.90 REF 1.95 REF 1.95 REF 1.95 REF 2.00 REF 2.40 REF 2.40 REF
DOWNBONDS ALLOWED
NO NO NO NO YES NO YES NO
PACKAGE OUTLINE, 6,8,10 & 14L, TDFN, EXPOSED PAD, 3x3x0.80 mm
-DRAWING NOT TO SCALE-
21-0137
G
2
2
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 (c) 2004 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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