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STMicroelectronics Electronic Components Datasheet

TDA8138B Datasheet

5.1V+ 12V REGULATOR WITH DISABLE AND RESET

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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.
HEPTAWAT
(Plastic Package)
ORDER CODE : TDA8138A / TDA8138B
PIN CONNECTIONS
SIP9
9 OUTPUT 1
8 OUTPUT 2
7 N.C.
6 RESET
5 GROUND
4 DISABLE
3 DEL. CAP.
2 INPUT 2
1 INPUT 1
Tab. connected to Pin 5
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
INPUT 2
INPUT 1
May 1993
1/6


STMicroelectronics Electronic Components Datasheet

TDA8138B Datasheet

5.1V+ 12V REGULATOR WITH DISABLE AND RESET

No Preview Available !

TDA8138
BLOCK DIAGRAM (SIP9 package)
IN 1 IN 2
12
REFERENCE
OUT 1
9 OUT 1
DISABLE 4
PROTECTION
DISABLE
5
RESET
OUT 2
6 RESET
3
DELAY
CAPACITOR
8 OUT 2
TDA8138
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VDIS
VRST
IO1, 2
Pt
Tstg
Tj
Parameter
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
THERMAL DATA
Symbol
Rth (j-c)
Rth (j-a)
Tj
Parameter
Maximum Thermal Resistance Junction-case for SIP9
Maximum Thermal Resistance Junction-case for Heptawatt
Maximum Thermal Resistance Junction-ambient for SIP9
Maximum Recommended Junction Temperature
Value
20
20
20
Internally Limited
Internally Limited
-65 to +150
0 to +150
Unit
V
V
V
oC
oC
Value
8
3
60
130
Unit
oC/W
oC/W
oC/W
oC
2/6


Part Number TDA8138B
Description 5.1V+ 12V REGULATOR WITH DISABLE AND RESET
Maker ST Microelectronics
Total Page 6 Pages
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