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NTE988 Integrated Circuit Positive 3 Terminal Voltage Regulator, 100mA
Description: The NTE988 is a 3-terminal positive voltage regulator in a TO92 type package and employs internal current-limiting and thermal shutdown, making it essentially indestructible. If adequate heat sinking is provided, this device can deliver up to 100mA output current. The NTE988 is intended for use as a fixed voltage regulator in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, this device can be used with power pass elements to make a high current voltage regulator. When used as a Zener diode/resistor combination replacement, the NTE988 offers an effective output impedance improvement of typically two orders of magnitude, along with lower quiescent current and lower noise. Features: D Output Current up to 100mA D No External Components D Internal Thermal Overload Protection D Internal Short Circuit Current-Limiting D Output Voltage Tolerance of 5% over the Temperature Range Absolute Maximum Ratings: Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Internal Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited Operating Junction Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to +150C Lead Temperature (Soldering, 10 sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +265C Electrical Characteristics: (0 TJ +125C, VIN = 12V, IO = 40mA, CIN = 0.33F, CO = 0.1F, Note 1 unless otherwise specified)
Parameter Output Voltage Line Regulation Symbol VO VR(LINE) Test Conditions TJ = +25C TJ = +25C 8.5V VI 20V 9.0V VI 20V Min 5.95 - - Typ 6.20 65 55 Max 6.45 175 125 Unit V mV mV
Note 1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length of the package. The data above represents pulse test conditions with junction temperatures as indicated at the initiation of the tests.
Electrical Characteristics (Cont'd): (0 TJ +125C, VIN = 12V, IO = 40mA, CIN = 0.33F, CO = 0.1F, Note 1 unless otherwise specified)
Parameter Load Regulation Output Voltage (Note 2) Quiescent Current Quiescent Current Change With Line With Load Noise Ripple Rejection Dropout Voltage Peak Output/Output Short Circuit Current Average Temperature Coefficient of Output Voltage NO VDO Ipk/IOS VO/T Symbol Test Conditions 1mA IO 100mA 1mA IO 40mA VO IQ IQ 8.0V VI 20V 1mA IO 40mA TA = +25C, 10Hz f 100kHz TJ = +25C TJ = +25C IO = 5mA VI/VO f = 120Hz, 10V VI 20V, TJ = +25C 8.5V VI 20V 8.5V VI VMax 1mA IO 40mA 1mA IO 70mA Min - - 5.9 5.9 - - - - 40 - - - Typ 13 6 - - 2.0 - - 50 46 1.7 140 -0.75 Max 80 40 6.5 6.5 5.5 1.5 0.1 - - - - - Unit mV mV V V mA mA mA V dB V mA mV/C VR(LOAD) TJ = +25C
Note 1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length of the package. The data above represents pulse test conditions with junction temperatures as indicated at the initiation of the tests. Note 2. Power Dissipation 0.75W.
.135 (3.45) Min
.210 (5.33) Max
Seating Plane
.500 (12.7) Min VOUT GND .100 (2.54) VIN
.021 (.445) Dia Max
.050 (1.27) .165 (4.2) Max .105 (2.67) Max .105 (2.67) Max .205 (5.2) Max

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