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TDA8137 Datasheet

DUAL 5.1V REGULATOR WITH DISABLE AND RESET

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TDA8137
DUAL 5.1V REGULATOR WITH DISABLE AND RESET
. OUTPUT CURRENTS UP TO 1A
. FIXED PRECISION OUTPUT VOLTAGES
5.1V ± 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
DESCRIPTION
The TDA8137 is a monolithic dual positive voltage
regulator designed to provide fixed precision output
voltages of 5.1V at currents up to 1A.
An internal reset circuit generates a reset pulse
when the output 1 decreases below the regulated
voltage value.
Output 2 can be disabled by TTL input.
Short circuit and thermal protections are included.
PIN CONNECTION (top view)
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8137
Tab connected to Pin 4
7
6
5
4
3
2
1
OUTPUT 1
OUTPUT 2
RESET
GROUND
DISABLE
DELAY CAP
INPUT
September 1993
1/5


STMicroelectronics Electronic Components Datasheet

TDA8137 Datasheet

DUAL 5.1V REGULATOR WITH DISABLE AND RESET

No Preview Available !

TDA8137
BLOCK DIAGRAM
DISABLE 3
IN
1
REFERENCE
OUT 1
7 OUT 1
PROTECTION
DISABLE
4
RESET
OUT 2
5 RESET
2 CR
DELAY
CAPACITOR
6 OUT 2
TDA8137
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VDIS
VRST
I01, 2
Pt
TSTG
Tj
Parameter
DC Input Voltage Pin 1
Disable Input Voltage Pin 3
Output Voltage at Pin 5
Output Currents
Power Dissipation
Storage Temperature
Junction Temperature
Value
20
20
20
Internally Limited
Internally Limited
– 65 to + 150
0 to + 150
Unit
V
V
V
°C
°C
THERMAL DATA
Symbol
RTH(j-c)
Tj
Parameter
Thermal Resistance Junction-case
Recommended Junction Temperature
Max.
Max.
Value
3
0 to + 150
Unit
°C/W
°C
ELECTRICAL CHARACTERISTICS (VIN = 7V ; Tj = 25oC unless otherwise specified)
Symbol
V01, 2
VI 01, 2
V01, 2LI
V01, 2LO
IQ
V01RST
VRTH
tRD
VRL
Parameter
Output Voltage
Dropout Voltage
Line Regulation
Load Regulation
Quiescent Current
Reset Threshold Voltage
Reset Threshold Hysteresis
Reset Pulse Delay at Pin 5
Saturation Volt. at Pin 5 in
Reset Condition
Test Conditions
I01, 2 = 10mA
7V < VIN < 14V, 5mA < I0 < 750mA
I01, 2 = 750mA
I01, 2 = 1A
7V < VIN < 14V, I01, 2 = 200mA
5mA < I01, 2 < 0.6A
I01 = 10mA, Output 2 Disabled
(K = V01)
(see circuit description)
Ce = 100nF (see circuit description)
I5 = 5mA
Min.
5
4.9
Typ.
5.1
K–0.4
20
K–.25
50
25
Max.
5.2
5.3
1.4
2
50
100
2
K–0.1
75
0.4
Unit
V
V
V
V
mV
mV
mA
V
mV
ms
V
2/5


Part Number TDA8137
Description DUAL 5.1V REGULATOR WITH DISABLE AND RESET
Maker ST Microelectronics
Total Page 5 Pages
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