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参数资料
| 型号： | MC78M24CT |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 固定正电压单路输出标准稳压器 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 24 V FIXED POSITIVE REGULATOR, PSFM3 |
| 封装： | PLASTIC, TO-220, 3 PIN |
| 文件页数： | 13/18页 |
| 文件大小： | 200K |
| 代理商： | MC78M24CT |
MC78M00, MC78M00A, NCV78M00 Series
http://onsemi.com
4
MC78M09C/B ELECTRICAL CHARACTERISTICS (VI = 15 V, IO = 350 mA, TJ = Tlow to Thigh, PD ≤ 5.0 W, unless otherwise
noted) (Note 4)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
8.64
9.0
9.45
Vdc
Output Voltage Variation
VO
8.55
9.45
Vdc
(11.5 Vdc ≤ VI ≤ 23 Vdc, 5.0 mA ≤ IO ≤ 350 mA)
Line Regulation
Regline
6.0
50
mV
(TJ = 25°C, 11.5 Vdc ≤ VI ≤ 25 Vdc, IO = 200 mA)
Load Regulation
Regload
mV
(TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA)
25
180
(TJ = 25°C, 5.0 mA ≤ IO ≤ 200 mA)
10
90
Input Bias Current (TJ = 25°C)
IIB
3.2
6.0
mA
Quiescent Current Change
DIIB
mA
(11.5 Vdc ≤ VI ≤ 25 Vdc, IO = 200 mA)
0.8
(5.0 mA ≤ IO ≤ 350 mA)
0.5
Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
52
mV
Ripple Rejection
RR
dB
(IO = 100 mA, f = 120 Hz, 12.5 V ≤VI ≤ 22.5 V)
56
(IO = 300 mA, f = 120 Hz, 12.5 V ≤VI ≤ 22.5 V, TJ = 25°C)
56
80
Dropout Voltage
VIVO
2.0
Vdc
(TJ = 25°C)
Short Circuit Current Limit (TJ = 25°C, VI = 35 V)
IOS
350
mA
Average Temperature Coefficient of Output Voltage
DVO/DT
±0.2
mV/°C
(IO = 5.0 mA)
Peak Output Current
IO
700
mA
(TJ = 25°C)
MC78M12C/AC/B/AB, NCV78M12B ELECTRICAL CHARACTERISTICS (VI = 19 V, IO = 350 mA, TJ = Tlow to Thigh, PD ≤ 5 W,
unless otherwise noted) (Note 4)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
Vdc
MC78M12B/MC78M12C/NCV78M12B
11.50
12
12.50
MC78M12AB/MC78M12AC
11.76
12
12.24
Output Voltage Variation
VO
Vdc
(14.5 Vdc ≤ VI ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 350 mA)
MC78M12B/MC78M12C/NCV78M12B
11.4
12.6
MC78M12AB/MC78M12AC
11.5
12.5
Line Regulation
Regline
8.0
50
mV
(TJ = 25°C, 14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA)
Load Regulation
Regload
mV
(TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA)
25
240
(TJ = 25°C, 5.0 mA ≤ IO ≤ 200 mA)
10
120
Input Bias Current (TJ = 25°C)
IIB
3.2
6.0
mA
Quiescent Current Change
DIIB
mA
(14.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA)
0.8
(5.0 mA ≤ IO ≤ 350 mA)
0.5
Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
75
mV
Ripple Rejection
RR
dB
(IO = 100 mA, f = 120 Hz, 15 V ≤VI ≤ 25 V)
55
(IO = 300 mA, f = 120 Hz, 15 V ≤VI ≤ 25 V, TJ = 25°C)
55
80
Dropout Voltage
VIVO
2.0
Vdc
(TJ = 25°C)
Short Circuit Current Limit (TJ = 25°C, VI = 35 V)
IOS
350
mA
Average Temperature Coefficient of Output Voltage
DVO/DT
±0.3
mV/°C
(IO = 5.0 mA)
Peak Output Current
IO
700
mA
(TJ = 25°C)
4. Tlow =0°C for MC78MxxAC, C
Thigh = +125°C for MC78MxxAB, AC, B, C, NCV78MxxAB, B
= 40°C for MC78MxxAB, B, NCV78MxxAB, B
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