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參數(shù)資料
| 型號： | MC78M12CT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.25Vout 1.5Amp Wide-Input Positive Step-Down ISR 3-SIP MODULE |
| 中文描述： | 12 V FIXED POSITIVE REGULATOR, SFM3 |
| 封裝： | TO-220AB, 3 PIN |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 189K |
| 代理商： | MC78M12CT |
MC78M00 MC78M00A Series
5
MOTOROLA ANALOG IC DEVICE DATA
MC78M15C/AC ELECTRICAL CHARACTERISTICS
(VI = 23 V, IO = 350 mA, –40
°
C < TJ < 125
°
C, PD
≤
5.0 W,
unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
MC78M15C
MC78M15AC
Output Voltage Variation
(17.5 Vdc
≤
VI
≤
30 Vdc, 5.0 mA
≤
IO
≤
350 mA)
MC78M15C
MC78M15AC
Input Regulation
(TJ = 25
°
C, 17.5 Vdc
≤
VI
≤
30 Vdc, IO = 200 mA)
Load Regulation
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
500 mA)
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
200 mA)
Input Bias Current (TJ = 25
°
C)
Quiescent Current Change
(17.5 Vdc
≤
VI
≤
30 Vdc, IO = 200 mA)
(5.0 mA
≤
IO
≤
350 mA)
Output Noise Voltage (TA = 25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection
(IO = 100 mA, f = 120 Hz, 18.5 V
≤
VI
≤
28.5 V)
(IO = 300 mA, f = 120 Hz, 18.5 V
≤
VI
≤
28.5 V, TJ = 25
°
C)
Dropout Voltage
(TJ = 25
°
C)
Short Circuit Current Limit (TJ = 25
°
C, VI = 35 V)
Average Temperature Coefficient of Output Voltage
(IO = 5.0 mA)
Peak Output Current
(TJ = 25
°
C)
VO
Vdc
14.4
14.7
15
15
15.6
15.3
VO
Vdc
14.25
14.40
–
–
–
10
15.75
15.60
50
Regline
mV
Regload
mV
–
–
25
10
300
150
IIB
IIB
–
3.2
6.0
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
90
–
μ
V
dB
54
54
–
–
70
2.0
–
–
–
VI–VO
Vdc
IOS
–
–
50
±
0.3
–
–
mA
mV/
°
C
VO/
T
IO
–
700
–
mA
MC78M18C ELECTRICAL CHARACTERISTICS
(VI = 27 V, IO = 350 mA, –40
°
C < TJ < 125
°
C, PD
≤
5.0 W, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Output Voltage Variation
(21 Vdc
≤
VI
≤
33 Vdc, 5.0 mA
≤
IO
≤
350 mA)
Line Regulation
(TJ = 25
°
C, 21 Vdc
≤
VI
≤
33 Vdc, IO = 200 mA)
Load Regulation
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
500 mA)
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
200 mA)
Input Bias Current (TJ = 25
°
C)
Quiescent Current Change
(21 Vdc
≤
VI
≤
33 Vdc, IO = 200 mA)
(5.0 mA
≤
IO
≤
350 mA)
Output Noise Voltage (TA = 25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection
(IO = 100 mA, f = 120 Hz, 22 V
≤
VI
≤
32 V)
(IO = 300 mA, f = 120 Hz, 22 V
≤
VI
≤
32 V, TJ = 25
°
C)
Dropout Voltage
(TJ = 25
°
C)
Short Circuit Current Limit (TJ = 25
°
C, VI = 35 V)
Average Temperature Coefficient of Output Voltage
(IO = 5.0 mA)
Peak Output Current
(TJ = 25
°
C)
VO
VO
17.3
17.1
18
–
18.7
18.9
Vdc
Vdc
Regline
–
10
50
mV
Regload
mV
–
–
–
30
10
3.2
360
180
6.5
IIB
IIB
mA
mA
–
–
–
–
–
0.8
0.5
–
Vn
RR
100
μ
V
dB
53
53
–
–
70
2.0
–
–
–
VI–VO
Vdc
IOS
–
–
50
±
0.3
–
–
mA
mV/
°
C
VO/
T
IO
–
700
–
mA
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