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STMicroelectronics
STMicroelectronics

L200 Datasheet

ADJUSTABLE VOLTAGE AND CURRENT REGULATOR


L200 Datasheet Preview


® L200
ADJUSTABLE VOLTAGE AND CURRENT REGULATOR
ADJUSTABLE OUTPUT CURRENT UP TO 2 A
(GUARANTEED UP TO Tj = 150 °C)
ADJUSTABLE OUTPUT VOLTAGE DOWN TO
2.85 V
INPUT OVERVOLTAGE PROTECTION (UP TO
60 V, 10 ms)
SHORT CIRCUIT PROTECTION
OUTPUT TRANSISTOR S.O.A. PROTECTION
THERMAL OVERLOAD PROTECTION
LOW BIAS CURRENT ON REGULATION PIN
LOW STANDBY CURRENT DRAIN
Pentawatt®
TO-3 (4 lead)
DESCRIPTION
The L200 is a monolithic integrated circuit for volt-
age and current programmable regulation. It is
available in Pentawatt® package or 4-lead TO-3
metal case.Current limiting, power limiting, thermal
shutdown and input overvoltage protection (up to
60 V) make the L200 virtually blow-out proof.
The L200 can be used to replace fixed voltage
regulators when high output voltage precision is
required and eliminates the need to stock a range
of fixed voltage regulators.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi DC Input Voltage
Vi Peak Input Voltage (10 ms)
Vi-o
Io
Ptot
Dropout Voltage
Output Current
Power Dissipation
Tstg Storage Temperature
Top Operating Junction Temperature for L200C
for L200
Value
40
60
32
internally limited
internally limited
-55 to 150
-25 to 150
-55 to 150
Unit
V
V
V
°C
°C
°C
THERMAL DATA
Rth j-case
Rth j-amb
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
TO-3
Max 4 °C/W
Max 35 °C/W
Pentawatt®
3 °C/W
50 °C/W
January 2000
1/12
Page 1

L200
CONNECTION DIAGRAMS AND ORDER CODES (top views)
Type
L200
L200 C
BLOCK DIAGRAM
Pentawatt®
L200 CH
L200 CV
TO-3
L200 T
L200 CT
APPLICATION CIRCUITS
Figure 1. Programmable Voltage Regulator
with Current Limiting
Figure 2. Programmable Current Regulator.
2/12
Page 2

SCHEMATIC DIAGRAM
L200
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ.
Max.
Unit
VOLTAGE REGULATION LOOP
Id
eN
Vo
Vo
Vo
Vi
Vo
SVR
Vi-o
Vref
Quiescent drain Current (pin 3)
Output Noise Voltage
Output Voltage Range
Voltage Load Regulation
(note 1)
Vi = 20 V
Vo = Vref
B = 1 MHz
Io = 10 mA
Io = 2 A
Io = 1.5 A
Io = 10 mA
Line Regulation
V0 = 5 V
Vi = 8 to 18 V
Supply Voltage Rejection
V0 = 5 V
Io = 500 mA
Vi = 10 Vpp
f = 100 Hz (note 2)
Droupout Voltage between Pins 1 Io = 1.5 A
and 5
V0 2%
Reference Voltage (pin 4)
Vi = 20 V
Io = 10 mA
4.2 9.2 mA
2.85
80
0.15
0.1
36
1
0.9
µV
V
%
%
48 60
dB
48 60
2 2.5
2.64 2.77 2.86
dB
V
V
3/12
Page 3
Part Number L200
Manufactur STMicroelectronics
Description ADJUSTABLE VOLTAGE AND CURRENT REGULATOR
Total Page 12 Pages
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