參數(shù)資料
型號: MC78M12CT
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準電壓源/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): 4/12頁
文件大?。?/td> 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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