參數(shù)資料
型號： MC78M12CT
廠商： MOTOROLA INC
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, PSFM3
封裝： PLASTIC, TO-220, 3 PIN
文件頁數(shù)： 4/12頁
文件大小： 189K
代理商： MC78M12CT
MC78M00 MC78M00A Series
4
MOTOROLA ANALOG IC DEVICE DATA
MC78M09C ELECTRICAL CHARACTERISTICS
(VI = 15 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
(11.5 Vdc
≤
VI
≤
23 Vdc, 5.0 mA
≤
IO
≤
350 mA)
Line Regulation
(TJ = 25
°
C, 11.5 Vdc
≤
VI
≤
25 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
(11.5 Vdc
≤
VI
≤
25 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, 12.5 V
≤
VI
≤
22.5 V)
(IO = 300 mA, f = 120 Hz, 12.5 V
≤
VI
≤
22.5 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
VO
8.64
9.0
9.45
Vdc
8.55
–
9.45
Vdc
Regline
–
6.0
50
mV
Regload
mV
–
–
25
10
180
90
IIB
IIB
–
3.2
6.0
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
52
–
μ
V
dB
56
56
–
80
–
–
VI–VO
–
2.0
–
Vdc
IOS
–
50
±
0.2
–
mA
mV/
°
C
VO/
T
–
–
IO
–
700
–
mA
MC78M12C/AC ELECTRICAL CHARACTERISTICS
(VI = 19 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)
MC78M12C
MC78M12AC
VO
Vdc
11.50
11.76
12
12
12.50
12.24
Output Voltage Variation
(14.5 Vdc
≤
VI
≤
27 Vdc, 5.0 mA
≤
IO
≤
350 mA)
MC78M12C
MC78M12AC
VO
Vdc
11.4
11.5
–
–
12.6
12.5
Line Regulation
(TJ = 25
°
C, 14.5 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
(14.5 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, 15 V
≤
VI
≤
25 V)
(IO = 300 mA, f = 120 Hz, 15 V
≤
VI
≤
25 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)
Regline
–
8.0
50
mV
Regload
mV
–
–
25
10
240
120
IIB
IIB
–
3.2
6.0
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
75
–
μ
V
dB
55
55
–
80
–
–
VI–VO
–
2.0
–
Vdc
IOS
–
50
–
mA
VO/
T
–
±
0.3
–
mV/
°
C
IO
–
700
–
mA
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