參數(shù)資料
型號(hào)： LM78M15
廠商： National Semiconductor Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述： 5.0放大器正電壓穩(wěn)壓器
文件頁數(shù)： 3/11頁
文件大?。?/td> 310K
代理商： LM78M15
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface type
apply over the 40C to +125C operating temperature
range. Limits are guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC)
methods. (Continued)
LM341-12, LM78M12C
Unless otherwise specified: V
IN
= 19V, C
IN
= 0.33 μF, C
O
= 0.1 μF
Symbol
Parameter
Conditions
V
O
Output Voltage
I
L
= 500 mA
5 mA
≤
I
L
≤
500 mA
P
D
≤
7.5W, 14.8V
≤
V
IN
≤
27V
V
R LINE
Line Regulation
14.5V
≤
V
IN
≤
30V
Min
11.5
11.4
Typ
12
12
Max
12.5
12.6
Units
V
I
L
= 100 mA
I
L
= 500 mA
120
240
240
10.0
0.5
1.0
mV
V
R LOAD
I
Q
I
Q
Load Regulation
Quiescent Current
Quiescent Current Change
5 mA
≤
I
L
≤
500 mA
I
L
= 500 mA
5 mA
≤
I
L
≤
500 mA
14.8V
≤
V
IN
≤
30V, I
L
= 500 mA
f = 10 Hz to 100 kHz
f = 120 Hz, I
L
= 500 mA
4
mA
V
n
Output Noise Voltage
Ripple Rejection
75
μV
71
dB
V
IN
Input Voltage Required
to Maintain Line Regulation
Long Term Stability
I
L
= 500 mA
14.5
V
V
O
I
L
= 500 mA
48
mV/khrs
LM341-15, LM78M15C
Unless otherwise specified: V
IN
= 23V, C
IN
= 0.33 μF, C
O
= 0.1 μF
Symbol
Parameter
V
O
Output Voltage
Conditions
Min
14.4
14.25
Typ
15
15
Max
15.6
15.75
Units
V
I
L
= 500 mA
5 mA
≤
I
L
≤
500 mA
P
D
≤
7.5W, 18V
≤
V
IN
≤
30V
17.6V
≤
V
IN
≤
30V
V
R LINE
Line Regulation
I
L
= 100 mA
I
L
= 500 mA
150
300
300
10.0
0.5
1.0
mV
V
R LOAD
I
Q
I
Q
Load Regulation
Quiescent Current
Quiescent Current Change
5 mA
≤
I
L
≤
500 mA
I
L
= 500 mA
5 mA
≤
I
L
≤
500 mA
18V
≤
V
IN
≤
30V, I
L
= 500 mA
f = 10 Hz to 100 kHz
f = 120 Hz, I
L
= 500 mA
4
mA
V
n
Output Noise Voltage
Ripple Rejection
90
μV
69
dB
V
IN
Input Voltage Required
to Maintain Line Regulation
Long Term Stability
I
L
= 500 mA
17.6
V
V
O
I
L
= 500 mA
60
mV/khrs
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de-
vice outside of its rated operating conditions.
Note 2:
The typical thermal resistance of the three package types is:
T
(TO-220) package:
θ
(JA)
= 60 C/W,
θ
(JC)
= 5 C/W
H
(TO-39) package:
θ
(JA)
= 120 C/W,
θ
(JC)
= 18 C/W
DT
(TO-252) package:
θ
(JA)
= 92 C/W,
θ
(JC)
= 10 C/W
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