79L08 WINGS | Alldatasheet
Document overview
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Technical content
/C00683-Terminal Regulators /C0068Output Current Up to 100 mA /C0068No External Components Required /C0068Internal Thermal-Overload Protection /C0068Internal Short-Circuit Current Limiting /C0068Provided Pb-Free packages from the end of 2004
description
This series of fixed negative-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used to control series pass elements to make high-current voltage-regulator circuits. One of these regulators can deliver up to 100 mA of output current. The internal current-limiting and thermal-shutdown features make them essentially immune to overload. When used as a replacement for a zener-diode and resistor combination, these devices can provide ef current. TO–92 electrical characteristics at specified virtual junction temperature, VI = otherwise noted) PARAMETER TEST CONDITIONS TJ‡ UNITJ MIN TYP MAX V 7Vt o2 0V I 1 mA to 40 mA 25°C Output voltage V 7 V t
20 V I 1 A t 40 A
V Input VI = 25°C mVvoltage regulationVI = 25°C mV Ripple rejection VI = f = 120 Hz 25°C dB Output IO = 1 mA to 25°C mVvoltage regulationIO = 1 mA to 25°C mV Output noise voltage f = 10 Hz to 100 kHz 25°C mV Dropout voltage 25°C 1.7 V Bias current 25°C 6 mABias c rrent 125°C 5.5 mA Bias VI = Full range 1.5 mAcurrent change IO = 1 mA to 40 mA F ll range 0.1 mA ‡ Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-mF capacitor across the input and a 0.1-mF capacitor across the output. Full range for the 7 J = 0°C to 70°C Wing Shing Computer Components Co., (H.K.)Ltd. Tel:(852)2341 9276 Fax:(852)2797 8153 Homepage: http://www.wingshing.com E-mail: ic@wingshing.com
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† recommended operating conditions MIN MAX UNIT79L0 Input voltage, VI V Output current, IO 100 mA Operating virtual junction temperature, TJ 0 °C
3 Output 115 950
2 Input 115 690
1 Ground 1150 115
Pad N Pad Name X(µm) Y( µm) Pad Location WS79L00 chip size 1.15 x 1.35mm Pad Location Coordinates 90µm 90µm