參數(shù)資料
型號： MC78M00
廠商： ON SEMICONDUCTOR
英文描述： 500 mA Positive Voltage Regulators(500 mA正向穩(wěn)壓器)
中文描述： 500毫安正電壓穩(wěn)壓器（500 mA的正向穩(wěn)壓器）
文件頁數(shù)： 4/16頁
文件大?。?/td> 178K
代理商： MC78M00
MC78M00, MC78M00A Series
http://onsemi.com
4
MC78M09C/B ELECTRICAL CHARACTERISTICS
(V
I
= 15 V, I
O
= 350 mA, T
J
= T
low
to T
high
, P
D
≤
5.0 W, unless otherwise
noted) (Note 4)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
Output Voltage Variation
(11.5 Vdc
≤
V
I
≤
23 Vdc, 5.0 mA
≤
I
O
≤
350 mA)
Line Regulation
(T
J
= 25
°
C, 11.5 Vdc
≤
V
I
≤
25 Vdc, I
O
= 200 mA)
Load Regulation
(T
J
= 25
°
C, 5.0 mA
≤
I
O
≤
500 mA)
(T
J
= 25
°
C, 5.0 mA
≤
I
O
≤
200 mA)
Input Bias Current (T
J
= 25
°
C)
Quiescent Current Change
(11.5 Vdc
≤
V
I
≤
25 Vdc, I
O
= 200 mA)
(5.0 mA
≤
I
O
≤
350 mA)
Output Noise Voltage (T
A
= 25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection
(I
O
= 100 mA, f = 120 Hz, 12.5 V
≤
V
I
≤
22.5 V)
(I
O
= 300 mA, f = 120 Hz, 12.5 V
≤
V
I
≤
22.5 V, T
J
= 25
°
C)
Dropout Voltage
(T
J
= 25
°
C)
Short Circuit Current Limit (T
J
= 25
°
C, V
I
= 35 V)
Average Temperature Coefficient of Output Voltage
(I
O
= 5.0 mA)
Peak Output Current
(T
J
= 25
°
C)
MC78M12C/AC/B/AB ELECTRICAL CHARACTERISTICS
(V
I
= 19 V, I
O
= 350 mA, T
J
= T
low
to T
high
, P
D
≤
5.0 W,
unless otherwise noted) (Note 4)
V
O
V
O
8.64
9.0
9.45
Vdc
8.55
-
9.45
Vdc
Reg
line
-
6.0
50
mV
Reg
load
mV
-
-
25
10
180
90
I
IB
I
IB
-
3.2
6.0
mA
mA
-
-
-
-
0.8
0.5
V
n
RR
-
52
-
V
dB
56
56
-
80
-
-
V
I
-V
O
-
2.0
-
Vdc
I
OS
V
O
/ T
-
50
±
0.2
-
mA
mV/
°
C
-
-
I
O
-
700
-
mA
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
MC78M12B/MC78M12C
MC78M12AB/MC78M12AC
V
O
Vdc
11.50
11.76
12
12
12.50
12.24
Output Voltage Variation
(14.5 Vdc
≤
V
I
≤
27 Vdc, 5.0 mA
≤
I
O
≤
350 mA)
MC78M12B/MC78M12C
MC78M12AB/MC78M12AC
V
O
Vdc
11.4
11.5
-
-
12.6
12.5
Line Regulation
(T
J
= 25
°
C, 14.5 Vdc
≤
V
I
≤
30 Vdc, I
O
= 200 mA)
Load Regulation
(T
J
= 25
°
C, 5.0 mA
≤
I
O
≤
500 mA)
(T
J
= 25
°
C, 5.0 mA
≤
I
O
≤
200 mA)
Input Bias Current (T
J
= 25
°
C)
Quiescent Current Change
(14.5 Vdc
≤
V
I
≤
30 Vdc, I
O
= 200 mA)
(5.0 mA
≤
I
O
≤
350 mA)
Output Noise Voltage (T
A
= 25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection
(I
O
= 100 mA, f = 120 Hz, 15 V
≤
V
I
≤
25 V)
(I
O
= 300 mA, f = 120 Hz, 15 V
≤
V
I
≤
25 V, T
J
= 25
°
C)
Dropout Voltage
(T
J
= 25
°
C)
Short Circuit Current Limit (T
J
= 25
°
C, V
I
= 35 V)
Average Temperature Coefficient of Output Voltage
(I
O
= 5.0 mA)
Peak Output Current
(T
J
= 25
°
C)
4. T
low
= 0
°
C for MC78MxxAC, C
= -40
°
C for MC78MxxAB, B
Reg
line
-
8.0
50
mV
Reg
load
mV
-
-
25
10
240
120
I
IB
I
IB
-
3.2
6.0
mA
mA
-
-
-
-
0.8
0.5
V
n
RR
-
75
-
V
dB
55
55
-
80
-
-
V
I
-V
O
-
2.0
-
Vdc
I
OS
V
O
/ T
-
50
±
0.3
-
mA
mV/
°
C
-
-
I
O
-
700
-
mA
T
high
= +125
°
C for MC78MxxAB, AC, B, C
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