參數(shù)資料
型號(hào)： MC78M20CDT
廠商： MOTOROLA INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述： 20 V FIXED POSITIVE REGULATOR, PSSO2
封裝： PLASTIC, DPAK-3
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 189K
代理商： MC78M20CDT
MC78M00 MC78M00A Series
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (5.0 V–18 V)
(20 V–24V)
Power Dissipation (Package Limitation)
Plastic Package, T Suffix
TA = 25
°
C
Thermal Resistance, Junction–to–Air
Thermal Resistance, Junction–to–Case
Plastic Package, DT Suffix
TA = 25
°
C
Thermal Resistance, Junction–to–Air
Thermal Resistance, Junction–to–Case
VI
35
40
Vdc
PD
θ
JA
θ
JC
Internally Limited
70
5.0
°
C/W
°
C/W
PD
θ
JA
θ
JC
Internally Limited
92
5.0
°
C/W
°
C/W
Operating Junction Temperature Range
TJ
Tstg
+150
°
C
Storage Temperature Range
–65 to +150
°
C
NOTE:
ESD data available upon request.
MC78M05C/AC ELECTRICAL CHARACTERISTICS
(VI = 10 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)
MC78M05C
MC78M05AC
VO
Vdc
4.8
4.9
5.0
5.0
5.2
5.1
Output Voltage Variation
(7.0 Vdc
≤
VI
≤
20 Vdc, 5.0 mA
≤
IO
≤
350 mA)
MC78M05C
MC78M05AC
VO
Vdc
4.75
4.80
–
–
5.25
5.20
Line Regulation
(TJ = 25
°
C, 7.0 Vdc
≤
VI
≤
25 Vdc, IO = 200 mA)
Load Regulation
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
200 mA)
(TJ = 25
°
C, 5.0 mA
≤
IO
≤
500 mA)
Input Bias Current (TJ = 25
°
C)
Quiescent Current Change
(8.0 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, 8.0 V
≤
VI
≤
18 V)
(IO = 300 mA, f = 120 Hz, 8.0
≤
VI
≤
18 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
–
3.0
5.0
mV
Regload
mV
–
–
20
10
100
50
IIB
IIB
–
3.2
6.0
mA
mA
–
–
–
–
0.8
0.5
Vn
RR
–
40
–
μ
V
dB
62
62
–
80
–
–
VI–VO
–
2.0
–
Vdc
IOS
–
50
±
0.2
–
mA
mV/
°
C
VO/
T
–
–
IO
–
700
–
mA
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