L78M09ABDT Datasheet PDF - STMicroelectronics
| Part Number | L78M09ABDT | |
| Description | PRECISION 500mA REGULATORS | |
| Manufacturers | STMicroelectronics | |
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L78M00AB/AC
SERIES
PRECISION 500mA REGULATORS
. OUTPUT CURRENT UP TO 0.5A
. OUTPUT VOLTAGES OF 5; 6; 8; 9: 10; 12; 15;
18; 20; 24V
. THERMAL OVERLOAD PROTECTION
. SHORT CIRCUIT PROTECTION
. OUTPUT TRANSISTORS SOA PROTECTION
. ± 2% OUTPUT VOLTAGE TOLERANCE
. GUARANTEED IN EXTENDED TEMPERA-
TURE RANGES
DESCRIPTION
The L78M00AB series of three-therminal positive
regulators is available in TO-220 and DPAK
packages and with several fixed output voltages,
making it useful in a wide range of applications.
These regulators can provide local on-card
regulation eliminating the distribution problems
associated with single point regulation. Each type
employs internal current limiting, thermal shut-down
and safe area protection, making it essentially
indestructible. If adequate heat sinking is provided,
they can deliver over 0.5A output current. Although
designed primarily as fixed voltage regulators, these
devices can be used with external components to
obtain adjustable voltages and currents.
TO-220
3
1
DPAK
(T O - 25 2)
BLOCK DIAGRAM
March 1997
1/15
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L78M00AB/AC SERIES
ELECTRICAL CHARACTERISTICS FOR L78M05XX (refer to the test circuits, Vi = 10V, Io = 350 mA,
Ci = 0.33 µF, Co = 0.1 µF, Tj = -40 to 125 oC (AB), Tj = 0 to 125 oC (AC) unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
∆Vo Line Regulation
∆Vo Load Regulation
Id
∆Id
∆Id
∆Vo
∆T
eN
SVR
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Vd Dropout Voltage
Isc Short Circuit Current
Iscp Short Circuit Peack Current
Test Conditions
Tj = 25 oC
Io = 5 mA to 350 mA
Vi = 7 to 20 V
Io = 200 mA
Vi = 7 to 25 V
Vi = 8 to 25 V
Tj = 25 oC
Io = 5 to 500 mA
Io = 5 to 200 mA
Tj = 25 oC
Tj = 25 oC
Tj = 25 oC
Io = 5 to 350 mA
Io = 200 mA Vi = 8 to 25 V
Io = 5 mA
B = 10Hz to 100KHz Tj = 25 oC
Io = 300 mA f = 120 Hz Tj = 25 oC
Vi = 8 to 18 V
Tj = 25 oC
Tj = 25 oC Vi = 35 V
Tj = 25 oC
Min.
4.9
4.8
62
Typ.
5
5
-0.5
40
2
300
700
Max.
5.1
5.2
Unit
V
V
100 mV
30 mV
100 mV
50 mV
6 mA
0.5 mA
0.8 mA
mV/oC
µV
dB
V
mA
mA
ELECTRICAL CHARACTERISTICS FOR L78M06XX (refer to the test circuits, Vi = 11V, Io = 350 mA,
Ci = 0.33 µF, Co = 0.1 µF, Tj = -40 to 125 oC (AB), Tj = 0 to 125 oC (AC) unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
∆Vo Line Regulation
∆Vo Load Regulation
Id
∆Id
∆Id
∆Vo
∆T
eN
SVR
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Vd Dropout Voltage
Isc Short Circuit Current
Iscp Short Circuit Peack Current
Test Conditions
Tj = 25 oC
Io = 5 mA to 350 mA
Vi = 8 to 21 V
Io = 200 mA Tj = 25 oC
Vi = 8 to 25 V
Vi = 9 to 25 V
Io = 5 to 500 mA
Io = 5 to 200 mA
Tj = 25 oC
Tj = 25 oC
Tj = 25 oC
Io = 5 to 350 mA
Io = 200 mA Vi = 9 to 25 V
Io = 5 mA
B = 10Hz to 100KHz Tj = 25 oC
Io = 300 mA f = 120 Hz Tj = 25 oC
Vi = 9 to 19 V
Tj = 25 oC
Tj = 25 oC Vi = 35 V
Tj = 25 oC
Min.
5.88
5.75
59
Typ.
6
6
-0.5
45
2
270
700
Max.
6.12
6.3
Unit
V
V
100 mV
30 mV
120 mV
60 mV
6 mA
0.5 mA
0.8 mA
mV/oC
µV
dB
V
mA
mA
5/15
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