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PDF L78M08 Data sheet ( Hoja de datos )
| Número de pieza | L78M08 | |
| Descripción | POSITIVE VOLTAGE REGULATORS | |
| Fabricantes | ST Microelectronics | |
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L78M00
SERIES
POSITIVE VOLTAGE REGULATORS
s OUTPUT CURRENT TO 0.5A
s OUTPUT VOLTAGES OF 5; 6; 8; 9; 12; 15;
18; 20; 24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
DESCRIPTION
The L78M00 series of three-terminal positive
regulators is available in TO-220, TO-220FP,
DPAK and IPAK 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
TO-220
TO-220FP
DPAK
IPAK
used with external components to obtain
adjustable voltage and currents.
SCHEMATIC DIAGRAM
January 2004
1/21
1 page  
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M05C (refer to the test circuits, TJ = 25°C, VI = 10V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO Line Regulation
∆VO Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR Supply Voltage Rejection
eN Output Noise Voltage
Vd Dropout Voltage
Isc Short Circuit Current
IO = 5 to 350 mA
VI = 7 to 25 V
VI = 8 to 25 V
IO = 5 to 500 mA
IO = 5 to 200 mA
VI = 7 to 20 V
IO = 200 mA
IO = 200 mA
TJ = 25°C
TJ = 25°C
IO = 5 to 350 mA
IO = 200 mA
VI = 8 to 25 V
IO = 5 mA
TJ = 0 to 125°C
VI = 8 to 18 V
IO = 300mA
f = 120Hz
B =10Hz to 100KHz
VI = 35 V
4.8 5 5.2 V
4.75 5 5.25 V
100 mV
50
100 mV
50
6 mA
0.5 mA
0.8
-0.5 mV/°C
62 dB
40 µV
2V
300 mA
ELECTRICAL CHARACTERISTICS OF L78M06C (refer to the test circuits, TJ = 25°C, VI = 11V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO Line Regulation
∆VO Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR Supply Voltage Rejection
eN Output Noise Voltage
Vd Dropout Voltage
Isc Short Circuit Current
IO = 5 to 350 mA
VI = 8 to 25 V
VI = 9 to 25 V
IO = 5 to 500 mA
IO = 5 to 200 mA
VI = 8 to 21 V
IO = 200 mA
IO = 200 mA
TJ = 25°C
TJ = 25°C
IO = 5 to 350 mA
IO = 200 mA
VI = 9 to 25 V
IO = 5 mA
TJ = 0 to 125°C
VI = 9 to 19 V
IO = 300mA
f = 120Hz
B =10Hz to 100KHz
VI = 35 V
5.75 6 6.25 V
5.7 6 6.3 V
100 mV
50
120 mV
60
6 mA
0.5 mA
0.8
-0.5 mV/°C
59 dB
45 µV
2V
270 mA
5/21
5 Page 
Figure 10 : Load Transient Response
L78M00 SERIES
Figure 12 : Quiescent Current vs Input Voltage
Figure 11 : Line Transient Response
11/21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet L78M08.PDF ] | |
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