參數(shù)資料
型號: L78M08C
廠商: 意法半導體
元件分類: 基準電壓源/電流源
英文描述: Positive voltage regulators
中文描述: 正電壓穩(wěn)壓器
文件頁數(shù): 9/30頁
文件大?。?/td> 556K
代理商: L78M08C
L78M00 series
Electrical characteristics
9/30
Table 9.
Electrical characteristics of L78M15C
(refer to the test circuits, T
J
= 25°C, V
I
= 23V,
I
O
= 350 mA, C
I
= 0.33 μF, C
O
= 0.1 μF unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
14.4
15
15.6
V
V
O
Output voltage
I
O
= 5 to 350 mA, V
I
= 17.5 to 30 V
14.25
15
15.75
V
Δ
V
O
Line regulation
V
I
= 17.5 to 30 V, I
O
= 200 mA
100
mV
V
I
= 20 to 30 V, I
O
= 200 mA
50
Δ
V
O
Load regulation
I
O
= 5 to 500 mA, T
J
= 25°C
300
mV
I
O
= 5 to 200 mA, T
J
= 25°C
150
I
d
Quiescent current
6
mA
Δ
I
d
Quiescent current change
I
O
= 5 to 350 mA
0.5
mA
I
O
= 200 mA, V
I
= 17.5 to 30 V
0.8
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA, T
J
= 0 to 125°C
-1
mV/°C
SVR
Supply voltage rejection
V
I
= 18.5 to 28.5 V, f = 120Hz,
I
O
= 300mA
54
dB
eN
Output noise voltage
B =10Hz to 100KHz
90
μV
V
d
Dropout voltage
2
V
I
sc
Short circuit current
V
I
= 35 V
240
mA
Table 10.
Electrical characteristics of L78M18C
(refer to the test circuits, T
J
= 25°C, V
I
= 26V,
I
O
= 350 mA, C
I
= 0.33 μF, C
O
= 0.1 μF unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
17.3
18
18.7
V
V
O
Output voltage
I
O
= 5 to 350 mA, V
I
= 20.5 to 33 V
17.1
18
18.9
V
Δ
V
O
Line regulation
V
I
= 21 to 33 V, I
O
= 200 mA
100
mV
V
I
= 24 to 33 V, I
O
= 200 mA
50
Δ
V
O
Load regulation
I
O
= 5 to 500 mA, T
J
= 25°C
360
mV
I
O
= 5 to 200 mA, T
J
= 25°C
180
I
d
Quiescent current
6
mA
Δ
I
d
Quiescent current change
I
O
= 5 to 350 mA
0.5
mA
I
O
= 200 mA, V
I
= 21 to 33 V
0.8
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA, T
J
= 0 to 125°C
-1.1
mV/°C
SVR
Supply voltage rejection
V
I
= 22 to 32 V, f = 120Hz, I
O
= 300mA
53
dB
eN
Output noise voltage
B =10Hz to 100KHz
100
μV
V
d
Dropout voltage
2
V
I
sc
Short circuit current
V
I
= 35 V
240
mA
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