參數(shù)資料
型號: MC78M18CT
廠商: MOTOROLA INC
元件分類: 基準電壓源/電流源
中文描述: 18 V FIXED POSITIVE REGULATOR, PSFM3
封裝: PLASTIC, TO-220, 3 PIN
文件頁數(shù): 8/12頁
文件大?。?/td> 189K
代理商: MC78M18CT
MC78M00 MC78M00A Series
8
MOTOROLA ANALOG IC DEVICE DATA
TJ = 25
°
C
Figure 3. Peak Output Current versus
Dropout Voltage
Figure 4. Dropout Voltage versus
Junction Temperature
Figure 5. Ripple Rejection versus Frequency
Figure 6. Ripple Rejection versus Output Current
100
Figure 7. Bias Current versus Input Voltage
100
80
60
40
20
1.0
10
100
1.0 k
10 k
100 k
1.0 M
10 M
100 M
f, FREQUENCY (Hz)
R
Iout = 500 mA
,
O
I
V
TJ, JUNCTION TEMPERATURE (
°
C)
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
VO = 100 mV
IO = 500 mA
IO = 100 mA
IO = 10 mA
R
IO, OUTPUT CURRENT (A)
80
60
40
30
0.01
0.1
0.5 1.0
10
Vout = 5.0 V
Vin = 10 V
CO = 0
f = 120 Hz
TJ = 25
°
C
,
B
I
VI, INPUT VOLTAGE (Vdc)
4.0
3.0
2.0
1.0
00
5.0
10
15
20
25
30
35
40
TJ = 25
°
C
TJ = 125
°
C
TJ = 125
°
C
TJ = 25
°
C
VO = 5.0 V
IO = 0.5 A
IO, OUTPUT CURRENT (A)
5.0
4.0
3.0
2.0
1.0
0
0.01
0.1
0.5
1.0
10
TJ = 125
°
C
VI–VO = 5.0 V
Figure 8. Bias Current versus Output Current
,
O
I
VI – VO, DROPOUT VOLTAGE (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
00
5.0
10
15
20
25
30
35
40
TJ = 125
°
C
TJ = 25
°
C
,
B
I
Iout = 500 mA
Vout = 5.0 V
Vin = 10 V
CO = 0
TJ = 25
°
C
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