January 1996
5.1V +12V DISABLE VOLTAGE REGULATOR
TDA8132
.
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
OUTPUT1
OUTPUT2
GROUND
INPUT 2
INPUT 1
1
2
3
4
5
6
7
DISABLE FOR OUTPUT 1
Tab. connected to Pin 4
DISABLE FOR OUTPUT 2
8132-01.EPS
PIN CONNECTIONS
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8132
DESCRIPTION
The TDA8132 is a monolithic dual positive voltage
regulator designed to 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.
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1
2
3
4
5
6
7
REFERENCE
OUTPUT 1
OUTPUT 2
PROTECTION
DISABLE
DISABLE
TDA8132
OUTPUT 2
OUTPUT 1
DISABLE
DISABLE
INPUT 1
INPUT 2
8132-02.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
IN
DC Input Voltage Pin 1
20
V
V
DIS
Disable Input Voltage Pins 3-5
20
V
I
O1, 2
Output Currents
Internally Limited
P
t
Power Dissipation
Internally Limited
T
stg
Storage Temperature
-65, +150
o
C
T
j
Junction Temperature
0, +150
o
C
8132-01.TBL
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th (j-c)
Maximum Thermal Resistance Junction-case
3
o
C/W
T
j
Maximum Recommended Junction Temperature
130
o
C
8132-02.TBL
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 (V
IN1
), 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).
CIRCUIT DESCRIPTION
TDA8132
2/4
ELECTRICAL CHRACTERISTICS (V
IN1
= 7V, V
IN2
= 14V, T
j
= 25
o
C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O1
Output Voltage
I
O1
= 10mA
5
5.1
5.2
V
V
O2
Output Voltage
I
O2
= 10mA
11.76
12
12.24
V
V
O1
V
O2
Output Voltage
5mA < I
O1,2
< 750mA
7V < V
IN1
< 14V
14 < V
IN2
< 18V
4.9
11.5
5.3
12.5
V
V
V
IO1,2
Dropout Voltage
I
O1,2
= 750mA
I
O1,2
= 1A
1.4
2
V
V
V
O1,2LI
Line Regulation
7V < V
IN1
< 14V
14 < V
IN2
< 18V
I
O1,2
= 200mA
50
120
mV
mV
V
O1,2LO
Load Regulation
5mA < I
O1
< 0.6A
5mA < I
O2
< 0.6A
100
250
mV
mV
I
Q
Quiescent Current
I
O1
= 10mA
Output 2 Disabled
2
mA
K
O1,2
Output Voltage Thermal Drift
T
j
= 0 to 125
o
C
K
O
=
V
O
10
6
T
V
O
100
ppm/
o
C
I
O1,2SC
Short Circuit Output Current
V
IN1
= 7V, V
IN2
= 14V
V
IN1,2
= 16V (see Note)
1.6
1
A
A
V
DISH
Disable Voltage High (corresponding out active)
2
V
V
DISL
Disable Voltage Low (corresponding out disabled)
0.8
V
I
DIS
Disable Bias Current
0V < V
DIS
< 7V
-30
2
A
T
jsd
Junction Temperature for Thermal Shut Down
145
o
C
Note : Safe permanent short-circuit is only guaranteed for input voltages up to 16V.
8132-03.TBL
5
3
7
6
4
2
1
TDA8132
DISABLE
FOR
OUTPUT 1
C1
C2
C3
C4
C1 to C4 = 10
F
V
IN1
V
IN2
V
O1
V
O2
DISABLE
FOR
OUTPUT 2
8132-03.EPS
TYPICAL APPLICATION
TDA8132
3/4
PM-HEPTV.EPS
PACKAGE MECHANICAL DATA : 9 PINS - PLASTIC HEPTAWATT
Dimensions
Millimeters
Inches
Min.
Typ.
Max.
Min.
Typ.
Max.
A
4.8
0.189
C
1.37
0.054
D
2.4
2.8
0.094
0.110
D1
1.2
1.35
0.047
0.053
E
0.35
0.55
0.014
0.022
F
0.6
08
0.024
0.031
F1
0.9
0.035
G
2.41
2.54
2.67
0.095
0.100
0.105
G1
4.91
5.08
5.21
0.193
0.200
0.205
G2
7.49
7.62
7.8
0.295
0.300
0.307
H2
10.4
0.409
H3
10.05
10.4
0.396
0.409
L
16.97
0.668
L1
14.92
0.587
L2
21.54
0.848
L3
22.62
0.891
L5
2.6
3
0.102
0.118
L6
15.1
15.8
0.594
0.622
L7
6
6.6
0.236
0.260
M
2.8
0.110
M1
5.08
0.200
Dia.
3.65
3.85
0.144
0.152
HEPTV.TBL
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1996 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I
2
C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I
2
C Patent. Rights to use these components in a I
2
C system, is granted provided that the system conforms to
the I
2
C Standard Specifications as defined by Philips.
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TDA8132
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