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L78M20CP 데이터시트(PDF) 9 Page - STMicroelectronics

부품명 L78M20CP
상세설명  POSITIVE VOLTAGE REGULATORS
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L78M20CP 데이터시트(HTML) 9 Page - STMicroelectronics

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L78M00 SERIES
9/21
ELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, TJ = 25°C, VI =29V,
IO =350 mA, CI =0.33 µF, CO = 0.1 µF unless otherwise specified).
ELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, TJ = 25°C, VI =33V,
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
19.2
20
20.8
V
VO
Output Voltage
IO = 5 to 350 mA
VI =23to35V
19
20
21
V
∆V
O
Line Regulation
VI = 23to 35V
IO = 200 mA
100
mV
VI = 24to 35V
IO = 200 mA
50
∆V
O
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
400
mV
IO = 5 to 200 mA
TJ = 25°C
200
Id
Quiescent Current
6mA
∆I
d
Quiescent Current Change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA
VI =23to35V
0.8
∆V
O/∆T
Output Voltage Drift
IO =5mA
TJ = 0 to 125°C
-1.1
mV/°C
SVR
Supply Voltage Rejection
VI = 24to 34V
f=120Hz
IO = 300mA
53
dB
eN
Output Noise Voltage
B =10Hz to 100KHz
110
µV
Vd
Dropout Voltage
2
V
Isc
Short Circuit Current
VI = 35 V
240
mA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
23
24
25
V
VO
Output Voltage
IO = 5 to 350 mA
VI =27to38V
22.8
24
25.2
V
∆V
O
Line Regulation
VI = 27to 38V
IO = 200 mA
100
mV
VI = 28to 38V
IO = 200 mA
50
∆V
O
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
480
mV
IO = 5 to 200 mA
TJ = 25°C
240
Id
Quiescent Current
6mA
∆I
d
Quiescent Current Change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA
VI =27to38V
0.8
∆V
O/∆T
Output Voltage Drift
IO =5mA
TJ = 0 to 125°C
-1.2
mV/°C
SVR
Supply Voltage Rejection
VI = 28to 38V
f=120Hz
IO = 300mA
50
dB
eN
Output Noise Voltage
B =10Hz to 100KHz
170
µV
Vd
Dropout Voltage
2
V
Isc
Short Circuit Current
VI = 35 V
240
mA


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