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L78M Datasheet(PDF) 11 Page - STMicroelectronics

No. de pieza L78M
Descripción Electrónicos  Precision 500 mA regulators
PDF  45 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78M Datasheet(HTML) 11 Page - STMicroelectronics

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Refer to the test circuits, VI = 15 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to 125 °C (AB), TJ = 0 to 125
°C (AC) unless otherwise specified.
Table 10. Electrical characteristics of L78M09A
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25 °C
8.82
9
9.18
V
VO
Output voltage
IO = 5 to 350 mA, VI = 11.5 to 24 V
8.64
9
9.36
V
∆VO
Line regulation
VI = 11.5 to 25 V, IO = 200 mA, TJ = 25 °C
100
mV
VI = 12 to 25 V, IO = 200 mA, TJ = 25 °C
30
∆VO
Load regulation
IO = 5 to 500 mA, TJ = 25 °C
180
mV
IO = 5 to 200 mA, TJ = 25 °C
90
Id
Quiescent current
TJ = 25 °C
6
mA
∆Id
Quiescent current change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA, VI = 11.5 to 25 V
0.8
∆VO/∆T
Output voltage drift
IO = 5 mA
-0.5
mV/°C
SVR
Supply voltage rejection
VI = 12.5 to 23 V, f = 120 Hz, IO = 300 mA, TJ = 25 °C
56
dB
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25 °C
52
µV
Vd
Dropout voltage
TJ = 25 °C
2
V
Isc
Short circuit current
VI = 35 V, TJ = 25 °C
250
mA
Iscp
Short circuit peak current
TJ = 25 °C
700
mA
Refer to the test circuits, VI = 16 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to 125 °C (AB), TJ = 0 to 125
°C (AC) unless otherwise specified.
Table 11. Electrical characteristics of L78M10A
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25 °C
9.8
10
10.2
V
VO
Output voltage
IO = 5 to 350 mA, VI = 12.5 to 25 V
9.6
10
10.4
V
∆VO
Line regulation
VI = 12.5 to 30 V, IO = 200 mA, TJ = 25 °C
100
mV
VI = 13 to 30 V, IO = 200 mA, TJ = 25 °C
30
∆VO
Load regulation
IO = 5 to 500 mA, TJ = 25 °C
200
mV
IO = 5 to 200 mA, TJ = 25 °C
100
Id
Quiescent current
TJ = 25 °C
6
mA
∆Id
Quiescent current change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA, VI = 12.5 to 30 V
0.8
∆VO/∆T
Output voltage drift
IO = 5 mA
-0.5
mV/°C
SVR
Supply voltage rejection
VI = 13.5 to 24 V, f = 120 Hz, IO = 300 mA, TJ = 25 °C
56
dB
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25 °C
64
µV
Vd
Dropout voltage
TJ = 25 °C
2
V
L78M
Electrical characteristics
DS0425 - Rev 24
page 11/45



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