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TDA8138B Datasheet

  • TDA8138B

  • 5.1V+ 12V REGULATOR WITH DISABLE AND RESET

  • 6頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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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

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