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TDA8138A

ST Microelectronics
Part Number TDA8138A
Manufacturer ST Microelectronics
Description 5.1V+ 12V REGULATOR WITH DISABLE AND RESET
Published Apr 16, 2005
Detailed Description TDA8138 5.1V +12V REGULATOR WITH DISABLE AND RESET . . . . . . . . . OUTPUT CURRENTS UP TO 1A FIXED PRECISION OUTPUT 1...
Datasheet PDF File TDA8138A PDF File

TDA8138A
TDA8138A

Overview
TDA8138 5.
1V +12V REGULATOR WITH DISABLE AND RESET .
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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 8138-02.
EPS 5 ABSOLUTE MAXIMUM RATINGS Symbol VIN VDIS VRST IO1, 2 Pt Tstg Tj DC Input Voltage Pin 1 Disable Input Voltage Pin 3 (Heptawatt) or Pin 4 (SIP9) Output Voltage at Pin 6 (SIP9) or Pin 5 (Heptawatt) Output Currents Power Dissipation Storage Temperature Junction Temperature Parameter Value 20 20 20 Internally Limited -65 to +150 0 to +150 o o Unit V V V C C THERMAL DATA Symbol Rth (j-c) Rth (j-a) Tj Parameter Maximum Thermal Resistance Junction-case for SIP9 Maximum Thermal Resistance J...


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