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TDA8134 Datasheet

5V + 12V REGULATOR

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TDA8134
5V +12V REGULATOR WITH DISABLE
. OUTPUT CURRENTS UP TO 600mA
. FIXED PRECISION OUTPUT 1 VOLTAGE 5V
± 2%
. FIXED PRECISION OUTPUT 2 VOLTAGE
12V ± 2%
. OUTPUT 2 VOLTAGE DISABLED BY A TTL
INPUT
. SHORT CIRCUIT PROTECTION AT BOTH
OUTPUTS
. THERMAL PROTECTION
. LOW DROP OUT 1.5V AT 400mA
. HIGH SUPPLY VOLTAGE REJECTION
DESCRIPTION
The TDA8134 is a monolithic dual positive voltage
regulator designedto provide fixed precision output
voltages, 5V + 12V at currents up to 600mA.
Output 2 can be disabled by a TTL input. Both
output currents are limited by an internal short
circuit protection.
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8134
PIN CONNECTIONS
Tab connected to Pin 4
7
6
5
4
3
2
1
OUTPUT 1
OUTPUT 2
N.C.
GROUND
DISABLE
INPUT 2
INPUT 1
September 1993
1/5


STMicroelectronics Electronic Components Datasheet

TDA8134 Datasheet

5V + 12V REGULATOR

No Preview Available !

TDA8134
BLOCK DIAGRAM
VIN1 1
RE GULATOR 1
REFERENCE
VOLTAGE
7 VO1
VIN2 2
THERMAL
PROTECTION
DISABLE 3
REGULATOR 2
6 VO2
4
GROUND
5 N.C.
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN1, 2
VDIS
IO1, 2
Pt
TSTG
Tj
Parameter
DC Input Voltages
Disable Input Voltage Pin 3
Output Currents
Power Dissipation
Storage Temperature
Junction Temperature
Value
24
24
Internally Limited
Internally Limited
– 65 to + 150
0 to + 150
Unit
V
V
°C
°C
THERMAL DATA
Symbol
RTH(j-c)
Parameter
Thermal Resistance Junction-case
Max.
Value
3
Unit
°C/W
ELECTRICAL CHARACTERISTICS
(VIN1 = 7V ; VIN2 = 14V ; VDIS = 2.5V ; IO1,2 = 0 ; Tj = 25oC unless otherwise specified)
Symbol
VO1
VO2
IQ1
Parameter
Output Voltage at Pin 7
Output Voltage at Pin 6
Quiescent Current
IQ2
VIN1-VO1
VIN2-VO2
VO1LI
VO2LI
VO1LO
VO2LO
Quiescent Current
Drop Out Voltage 1
Drop Out Voltage 2
Line Regulation 1
Line Regulation 2
Load Regulation 1
Load Regulation 2
Test Conditions
VIN2 = 0, VDIS = 0
IO1 = 10mA, (see fig. 1)
IO2 = 10mA (see fig. 1)
IO1 = 400mA
IO2 = 400mA
7V < VIN1 <14V, IO1 = 200mA
14V < VIN2 <18V, IO2 = 200mA
0 < IO1 <600mA
0 < IO2 <600mA
Min.
4.9
11.76
Typ.
5
12
Max.
5.1
12.24
2
Unit
V
V
mA
2 mA
1.5 V
1.5 V
90 mV
120 mV
100 mV
240 mV
2/5


Part Number TDA8134
Description 5V + 12V REGULATOR
Maker STMicroelectronics
Total Page 5 Pages
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