參數(shù)資料
型號： MC78M18CDT
廠商： MOTOROLA INC
元件分類： 基準(zhǔn)電壓源/電流源
中文描述： 18 V FIXED POSITIVE REGULATOR, PSSO2
封裝： PLASTIC, DPAK-3
文件頁數(shù)： 6/12頁
文件大小： 189K
代理商： MC78M18CDT
MC78M00 MC78M00A Series
6
MOTOROLA ANALOG IC DEVICE DATA
MC78M20C ELECTRICAL CHARACTERISTICS
(VI = 29 V, IO = 350 mA, –30
°
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
(23 Vdc
≤
VI
≤
35 Vdc, 5.0 mA
≤
IO
≤
350 mA)
Line Regulation
(TJ = 25
°
C, 23 Vdc
≤
VI
≤
35 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
(23 Vdc
≤
VI
≤
35 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, 24 V
≤
VI
≤
34 V)
(IO = 300 mA, f = 120 Hz, 24 V
≤
VI
≤
34 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
19.2
20
20.8
Vdc
19
–
21
Vdc
Regline
–
10
50
mV
Regload
mV
–
–
30
10
400
200
IIB
IIB
–
3.2
6.5
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
110
–
μ
V
dB
52
52
–
70
–
–
VI–VO
–
2.0
–
Vdc
IOS
–
50
±
0.5
–
mA
mV/
°
C
VO/
T
–
–
IO
–
700
–
mA
MC78M24C ELECTRICAL CHARACTERISTICS
(VI = 33 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
(27 Vdc
≤
VI
≤
38 Vdc, 5.0 mA
≤
IO
≤
350 mA)
Line Regulation
(TJ = 25
°
C, 27 Vdc
≤
VI
≤
38 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
(27 Vdc
≤
VI
≤
38 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, 28 V
≤
VI
≤
38 V)
(IO = 300 mA, f = 120 Hz, 28 V
≤
VI
≤
38 V, TJ = 25
°
C)
Dropout Voltage
(TJ = 25
°
C)
Short Circuit Current Limit (TJ = 25
°
C)
Average Temperature Coefficient of Output Voltage
(IO = 5.0 mA)
Peak Output Current
(TJ = 25
°
C)
VO
VO
23
24
25
Vdc
22.8
–
25.2
Vdc
Regline
–
10
50
mV
Regload
mV
–
–
30
10
480
240
IIB
IIB
–
3.2
7.0
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
170
–
μ
V
dB
50
50
–
70
–
–
VI–VO
–
2.0
–
Vdc
IOS
–
50
±
0.5
–
mA
mV/
°
C
VO/
T
–
–
IO
–
700
–
mA
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