參數(shù)資料
型號: L78M12AB
廠商: 意法半導(dǎo)體
英文描述: Precision 500mA regulators(精密500mA穩(wěn)壓器)
中文描述: 精密500mA的穩(wěn)壓器(精密500mA的穩(wěn)壓器)
文件頁數(shù): 15/26頁
文件大小: 416K
代理商: L78M12AB
L78M00AB/AC series
Electrical characteristics
15/26
Table 12.
Electrical characteristics of L78M24XX
(refer to the test circuits, V
I
= 33V, I
O
= 350 mA,
C
I
= 0.33 μF, C
O
= 0.1 μF, T
J
= -40 to 125°C (AB), T
J
= 0 to 125°C (AC) unless otherwise
specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
23.5
24
24.5
V
V
O
Output voltage
I
O
= 5 to 350 mA, V
I
= 27 to 38 V
23
24
25
V
V
O
Line regulation
V
I
= 27 to 38 V, I
O
= 200 mA, T
J
= 25°C
100
mV
V
I
= 28 to 38 V, I
O
= 200 mA, T
J
= 25°C
30
V
O
Load regulation
I
O
= 5 to 500 mA, T
J
= 25°C
480
mV
I
O
= 5 to 200 mA, T
J
= 25°C
240
I
d
Quiescent current
T
J
= 25°C
6
mA
I
d
Quiescent current change
I
O
= 5 to 350 mA
0.5
mA
I
O
= 200 mA, V
I
= 27 to 38 V
0.8
V
O
/
T
Output voltage drift
I
O
= 5 mA
-1.2
mV/°C
SVR
Supply voltage rejection
V
I
= 28 to 38 V, f = 120Hz, I
O
= 300mA,
T
J
= 25°C
50
dB
eN
Output noise voltage
B =10Hz to 100KHz, T
J
= 25°C
170
μV
V
d
Dropout voltage
T
J
= 25°C
2
V
I
sc
Short circuit current
V
I
= 35 V, T
J
= 25°C
240
mA
I
scp
Short circuit peak current
T
J
= 25°C
700
mA
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