參數(shù)資料
型號： L78M00AB
廠商： 意法半導(dǎo)體
英文描述： Positive Voltage Regulators(精確三端穩(wěn)壓器)
中文描述： 正電壓調(diào)節(jié)器（精確三端穩(wěn)壓器）
文件頁數(shù)： 9/15頁
文件大小： 202K
代理商： L78M00AB
ELECTRICAL CHARACTERISTICS FOR L78M20XX
(refer to the test circuits, V
i
= 29V, I
o
= 350 mA,
C
i
= 0.33
μ
F, C
o
= 0.1
μ
F, T
j
= -40 to 125
o
C (AB), T
j
= 0 to 125
o
C (AC) unless otherwise specified)
Symbol
V
o
V
o
Parameter
Test Conditions
Min.
19.6
19.2
Typ.
20
20
Max.
20.4
20.8
Unit
V
V
Output Voltage
Output Voltage
T
j
= 25
o
C
I
o
= 5 mA to 350 mA
V
i
= 23 to 35 V
I
o
= 200 mA
V
i
= 23 to 35 V
V
i
= 24 to 35 V
I
o
= 5 to 500 mA
I
o
= 5 to 200 mA
T
j
= 25
o
C
I
o
= 5 to 350 mA
Io = 200 mA
I
o
= 5 mA
V
o
Line Regulation
T
j
= 25
o
C
100
30
400
200
6
0.5
0.8
mV
mV
mV
mV
mA
mA
mA
mV/
o
C
V
o
Load Regulation
T
j
= 25
o
C
T
j
= 25
o
C
I
d
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
I
d
I
d
V
o
T
e
N
SVR
V
i
= 23 to 35 V
-1.1
Output Noise Voltage
Supply Voltage Rejection
B = 10Hz to 100KHz
Io = 300 mA f = 120 Hz
V
i
= 24 to 34 V
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
110
μ
V
dB
53
V
d
I
sc
I
scp
Dropout Voltage
Short Circuit Current
Short Circuit Peack Current
2
V
V
i
= 35 V
240
700
mA
mA
ELECTRICAL CHARACTERISTICS FOR L78M24XX
(refer to the test circuits, V
i
= 33V, I
o
= 350 mA,
C
i
= 0.33
μ
F, C
o
= 0.1
μ
F, T
j
= -40 to 125
o
C (AB), T
j
= 0 to 125
o
C (AC) unless otherwise specified)
Symbol
V
o
V
o
Parameter
Test Conditions
Min.
23.5
23
Typ.
24
24
Max.
24.5
25
Unit
V
V
Output Voltage
Output Voltage
T
j
= 25
o
C
I
o
= 5 mA to 350 mA
V
i
= 27 to 38 V
I
o
= 200 mA
V
i
= 27 to 38 V
V
i
= 28 to 38 V
I
o
= 5 to 500 mA
I
o
= 5 to 200 mA
T
j
= 25
o
C
I
o
= 5 to 350 mA
Io = 200 mA
I
o
= 5 mA
V
o
Line Regulation
T
j
= 25
o
C
100
30
480
240
6
0.5
0.8
mV
mV
mV
mV
mA
mA
mA
mV/
o
C
V
o
Load Regulation
T
j
= 25
o
C
T
j
= 25
o
C
I
d
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
I
d
I
d
V
o
T
e
N
SVR
V
i
= 27 to 38 V
-1.2
Output Noise Voltage
Supply Voltage Rejection
B = 10Hz to 100KHz
Io = 300 mA f = 120 Hz
V
i
= 28 to 38 V
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
170
μ
V
dB
50
V
d
I
sc
I
scp
Dropout Voltage
Short Circuit Current
Short Circuit Peack Current
2
V
V
i
= 35 V
240
700
mA
mA
L78M00AB/AC SERIES
9/15
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