TDA8138
5.1V +12V REGULATOR WITH DISABLE AND RESET
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OUTPUT CURRENTS UP TO 1A FIXED PRECISION OUTPUT 1...
TDA8138
5.1V +12V
REGULATOR WITH DISABLE AND RESET
. . . . . . . . .
OUTPUT CURRENTS UP TO 1A FIXED PRECISION OUTPUT 1 VOLTAGE 5.1V +/- 2% FIXED PRECISION OUTPUT 2 VOLTAGE 12V +/- 2% OUTPUT 1 WITH RESET FACILITY OUTPUT 2 WITH DISABLE BY TTL INPUT SHORT CIRCUIT PROTECTION AT BOTH OUTPUTS THERMAL PROTECTION LOW DROP OUTPUT VOLTAGE AVAILABLE ALSO IN HEPTAWATT PACKAGE IN TWO VERSIONS : TDA8138A (DISABLE ONLY), TDA8138B (RESET ONLY)
SIP9 (Plastic Package) ORDER CODE : TDA8138
DESCRIPTION The TDA8138 is a monolithic dual positive voltage
regulator designed to provide fixed precision output voltages of 5.1V and 12V at currents up to 1A. An internal reset circuit generates a reset pulse when the output 1 decrease below the regulated voltage value (for TDA8138 and TDA8138B). Output 2 can be disabled by TTL input (for TDA8138 and TDA8138A). Short circuit and thermal protections are included in all the versions. PIN CONNECTIONS
HEPTAWAT (Plastic Package) ORDER CODE : TDA8138A / TDA8138B
SIP9
9 8 7 6 5 4 3 2 1 Tab. connected to Pin 5 OUTPUT 1 OUTPUT 2 N.C. RESET GROUND DISABLE DEL. CAP. INPUT 2 INPUT 1
HEPTAWATT
7 6 5 4 3 2 1 Tab. connected to Pin 4 OUTPUT1 OUTPUT2 N.C. FOR TDA8138A RESET FOR TDA8138B GROUND DISABLEFOR TDA8138A DEL. CAPA FOR TDA8138B
8138-01A.EPS - 8138-01B.EPS
INPUT 2 INPUT 1
May 1993
1/6
TDA8138
BLOCK DIAGRAM (SIP9 package)
IN 1 1 IN 2 2
REFERENCE
OUT 1
9
OUT 1
6
PROTECTION
RESET
RESET
3 DELAY CAPACITOR DISABLE 4
DISABLE OUT 2
8
OUT 2
TDA8138
8138-...