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5-V Voltage Regulator
TLE 4285 G
Features * * * * * * * * 15 mA current capability Low quiescent current consumption Power fail output Wide operation range: up to 45 V Wide temperature range: -40 C to 150 C Output protected against short circuit Overtemperature protection Very small SMD-Package P-SCT-595-5
SCT 595
Functional Description The TLE 4285 G is a 5-V fixed voltage regulator in a very small SMD package P-SCT-595-5. The maximum input voltage is 45 V. The output is able to drive an output current of more than 15 mA while it regulates the output voltage within a 4% accuracy. The Power Fail Output (open collector) is switched to low in case of under-voltage at the output pin. To reduce external components the Power Fail Output has an internal pull-up resistor of 50 k which is connected to the output Q. The device incorporates a temperature protection that disables the circuit at overtemperature.
Type TLE 4285 G
Data Sheet
Ordering Code Q67006-A9328
1
Package P-SCT-595-5
Rev. 2.1, 2004-01-01
TLE 4285 G
P-SCT-595-5
PF
1 5 GND
GND
2
3
4
Q
AEP02279
Figure 1 Table 1 Pin No. 1 2 3 4 5
Pin Configuration (top view) Pin Definitions and Functions Symbol PF GND I Q GND Function Power Fail; L for under-voltage; internally connected to Q via 50 k pull-up resistor Ground; internally connected to pin 5 Input voltage Output voltage; must be blocked by a capacitor CQ 1 F, ESR 10 to GND Ground; internally connected to pin 2
Data Sheet
2
Rev. 2.1, 2004-01-01
TLE 4285 G
Functional Block Diagram
Protection 3 4 Q
Reference
Regulator
Power Fail Control
1
PF
2, 5 GND
AEB02186
Figure 2
Block Diagram
Data Sheet
3
Rev. 2.1, 2004-01-01
TLE 4285 G
Table 2
Absolute Maximum Ratings
-40 C < Tj < 150 C Parameter Input Voltage Current Output Voltage Current Power Fail Voltage Current Temperatures Junction temperature Storage temperature Thermal Resistances Junction pin Junction ambient Symbol Limit Values Min. Max. 45 * 16 * 45 * 150 150 30 55 V mA V mA V - * internally limited - * internally limited - * internally limited - - measured to pin 5
1)
Unit
Remarks
VI II VQ IQ VPF IPF Tj Tstg Rthj-pin Rthj-a
-0.3 -20 -0.3 -20 -0.3 -500 -40 -50 - -
A C C
K/W K/W
1) Package mounted on PCB 40 x 40 x 1.5 mm3/6 cm2 Cu.
Note: Maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit. Table 3 Parameter Input voltage Output current Junction temperature Operating Range Symbol Limit Values Min. Max. 42 - 150 V mA - - - 6 15 -40 Unit Remarks
VI IQ Tj
C
Data Sheet
4
Rev. 2.1, 2004-01-01
TLE 4285 G
Table 4
Electrical Characteristics
6.2 V < VI < 36 V; -40 C < Tj < 150 C; unless otherwise specified Parameter Output Output voltage Output voltage Drop voltage Output capacitor Output current Current Consumption Quiescent current Symbol Min. Limit Values Typ. 5.0 5.0 0.8 - - 100 Max. 5.15 5.20 1.1 - 70 150 V V V Unit Test Condition
VQ VQ Vdr CQ IQ Iq
4.85 4.8 0.6 1 15 -
Tj = 25 C; 1 mA < IQ < 10 mA
1 mA < IQ < 10 mA
IQ = 10 mA1)
ESR 10 at 10 kHz -
F
mA
A
IQ < 10 mA; VI = 13.5 V
0 mA < IQ <10 mA; VI = 6 V; Tj 85 C
Regulator Performance Load regulation
VQ
-
5
10
mV
Line regulation Power supply ripple rejection Power Fail Output Power fail switching threshold Power fail low voltage Power fail leakage current Power fail pull-up
VQ
- -
5 60
10 -
mV dB
PSRR
IQ = 5 mA; Tj 85 C fr = 100 Hz; Vr = 0.5 Vpp VPF < 1 V IPF = 0.1 mA; VQ = 4.5 V Rext = 47 k
internally connected to VQ
VQ
- - - 30
VQ,nom -
- 50 0.15 - 50 0.3 10 70
mV V
VPF, low IPFLK RPF
A
k
1) Measured when the output voltage VQ has dropped 100 mV from the nominal value.
Data Sheet
5
Rev. 2.1, 2004-01-01
TLE 4285 G
6...40 V
3
4
Q
5V
TLE 4285G
C 100 nF
2, 5 GND
1
PF
Power Fail
CQ 1 F
AES02187
Figure 3
Application Circuit
Data Sheet
6
Rev. 2.1, 2004-01-01
TLE 4285 G
Typical Performance Characteristics Output Voltage VQ versus Temperature Tj
5.10
AED02191
Output Voltage VQ versus Output Current IQ
6 VQ V 5 T j = 130 C
AED02192
VQ
V 5.05
25 C -40 C
5.00
Q = 5 mA
4
4.95
3
4.90
2
4.85
1
4.80 -40
0
40
80
120 C 160 Tj
0
0
10
20
30 mA 40 Q
Data Sheet
7
Rev. 2.1, 2004-01-01
TLE 4285 G
Output Voltage VQ versus Input Voltage VI
6
AED02748
Drop Voltage Vdr versus Output Current IQ
1200
AED02193
VQ
V
V dr
5
mV 1000
Tj =
-40 C
T j = 25 C
4
800
25 C 130 C
3
600
2
400
1
200
0
0
0 1 2 3 4 5 V6
0
2.5
5
7.5
10
VI
mA Q
15
Current Consumption Iq versus Output Current IQ
120
AED02750
Iq A
100
80 VI = 13.5 V T j = 25 C 60
40
20
0
0
5
10
15
20 mA 25
IQ
Data Sheet
8
Rev. 2.1, 2004-01-01
TLE 4285 G
Current Consumption Iq versus Input Voltage VI
600
AED02749
Power Fail Low Voltage VPF versus Power Fail Current IPF
300
AED02188
Iq A
500
V PF
mV 250
400 T j = 25 C I Q= 2 mA 300
200
Tj = 150 C
25 C
150
200
100
-40 C
100
50
0
0
10
20
30
V VI
40
0 50
100
150
200
250 A 300
PF
Data Sheet
9
Rev. 2.1, 2004-01-01
TLE 4285 G
Package Outlines
B 1.2 +0.1 -0.05
2.9 0.2 (2.2) (0.3) 1.1 max 0.1 max
2.6 max 0.25 min
(0.4)
1)
(0.13)
0.3 +0.1 -0.05 0.6 +0.1 -0.05 0.95 1.9 0.25
M 1)
0.15 +0.1 -0.06 0.20
M
A
B
Contour of slot depends on profile of gull-wing lead form
10max 1.6 0.1
(0.23)
+0.2 acc. to DIN 6784
1)
10max
A
GPW05997
Figure 4
P-SCT-595-5 (Plastic Small Outline)
You can find all of our packages, sorts of packing and others in our Infineon Internet Page "Products": http://www.infineon.com/products. SMD = Surface Mounted Device Data Sheet 10 Dimensions in mm Rev. 2.1, 2004-01-01
Edition 2004-01-01 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 Munchen, Germany
(c) Infineon Technologies AG 2004.
All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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