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TDA8132 Datasheet

5.1V+ 12V DISABLE VOLTAGE REGULATOR

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TDA8132
5.1V +12V DISABLE VOLTAGE REGULATOR
. OUTPUT CURRENTS UP TO 1A
. FIXED PRECISION OUTPUT 1 VOLTAGE
5.1V +/- 2%
. FIXED PRECISION OUTPUT 2 VOLTAGE
12V +/- 2%
. OUTPUT 1 WITH DISABLE BY TTL INPUT
. OUTPUT 2 WITH DISABLE BY TTL INPUT
. SHORT CIRCUIT PROTECTION AT BOTH
OUTPUTS
. THERMAL PROTECTION
. LOW DROP OUTPUT VOLTAGE
DESCRIPTION
The TDA8132 is a monolithic dual positive voltage
regulator designedto provide fixed precision output
voltages of 5.1V and 12V at currents up to 1A.
Each output can be disabled separately by a TTL
input.
Short circuit and thermal protections are included.
PIN CONNECTIONS
7
6
5
4
3
2
1
Tab. connected to Pin 4
January 1996
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8132
OUTPUT1
OUTPUT2
DISABLE FOR OUTPUT 1
GROUND
DISABLE FOR OUTPUT 2
INPUT 2
INPUT 1
1/4


STMicroelectronics Electronic Components Datasheet

TDA8132 Datasheet

5.1V+ 12V DISABLE VOLTAGE REGULATOR

No Preview Available !

TDA8132
BLOCK DIAGRAM
INPUT 1
1
REFERENCE
INPUT 2
2
OUTPUT 1
7 OUTPUT 1
DISABLE 3
PROTECTION
DISABLE
5 DISABLE
DISABLE
4
OUTPUT 2
6 OUTPUT 2
TDA8132
CIRCUIT DESCRIPTION
The TDA8132 is a dual voltage regulator with sepa-
rate Disable for each output.
The two regulation parts are supplied from one
voltage reference circuit trimmed by zener zap
during EWS test.
Since the supply voltage of this last is connected at
Pin 1 (VIN1), the regulator 2 will not work if Pin 1 is
not supplied.
The outputs stage have been realized in darlington
configuration with a drop typical 1.2V.
For each output a disable circuit switches-off this
output if a voltage lower than 0.8V is applied at
corresponding Pin (Pin 3 for output 2, Pin 5 for
output 1).
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VDIS
IO1, 2
Pt
Tstg
Tj
Parameter
DC Input Voltage Pin 1
Disable Input Voltage Pins 3-5
Output Currents
Power Dissipation
Storage Temperature
Junction Temperature
Value
20
20
Internally Limited
Internally Limited
-65, +150
0, +150
Unit
V
V
oC
oC
THERMAL DATA
Symbol
Rth (j-c)
Tj
Parameter
Maximum Thermal Resistance Junction-case
Maximum Recommended Junction Temperature
Value
3
130
Unit
oC/W
oC
2/4


Part Number TDA8132
Description 5.1V+ 12V DISABLE VOLTAGE REGULATOR
Maker ST Microelectronics
Total Page 4 Pages
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