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参数资料
| 型号： | MC7908ACTG |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO -8V 1A TO220AB |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 负，固定式 |
| 输出电压： | -8V |
| 输入电压： | 可下调至 -35V |
| 电压 - 压降（标准）： | 1.3V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-3 |
| 供应商设备封装： | TO-220AB |
| 包装： | 管件 |
MC7900 Series
MC7915B, MC7915C
ELECTRICAL CHARACTERISTICS (V I = ? 23 V, I O = 500 mA, Tlow* < T J < +1 25 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 5)
(T J = +25 ° C, I O = 100 mA)
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc
? 20 Vdc ≥ V I ≥ ? 26 Vdc
(T J = +25 ° C, I O = 500 mA)
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc
? 20 Vdc ≥ V I ≥ ? 26 Vdc
Load Regulation, T J = +25 ° C (Note 5)
5.0 mA ≤ I O ≤ 1.5 A
250 mA ≤ I O ≤ 750 mA
Output Voltage
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current (T J = +25 ° C)
Input Bias Current Change
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc
5.0 mA ≤ I O ≤ 1.5 A
Output Noise Voltage (T A = +25 ° C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (I O = 20 mA, f = 120 Hz)
Dropout Voltage (I O = 1.0 A, T J = +25 ° C)
Average Temperature Coefficient of Output Voltage
I O = 5.0 A, Tlow* ≤ T J ≤ +125 ° C
Symbol
V O
Reg line
Reg load
V O
I IB
D I IB
V n
RR
V I ? V O
D V O / D T
Min
? 14.4
?
?
?
?
?
?
? 14.25
?
?
?
?
?
?
?
Typ
? 15
14
6.0
57
27
68
25
?
4.4
?
?
90
60
1.3
? 1.0
Max
? 15.6
150
75
300
150
300
150
? 15.75
8.0
1.0
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
MC7915AC
ELECTRICAL CHARACTERISTICS (V I = ? 23 V, I O = 500 mA, Tlow* < T J < +125 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 5)
? 20 Vdc ≥ V I ≥ ? 26 Vdc, I O = 1.0 A, T J = +25 ° C
? 20 Vdc ≥ V I ≥ ? 26 Vdc, I O = 1.0 A,
? 17.9 Vdc ≥ V I ≥ ? 30 Vdc, I O = 500 mA
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc, I O = 1.0 A, T J = +25 ° C
Load Regulation (Note 5)
5.0 mA ≤ I O ≤ 1.5 A, T J = +25 ° C
250 mA ≤ I O ≤ 750 mA
5.0 mA ≤ I O ≤ 1.0 A
Output Voltage
? 17.9 Vdc ≥ V I ≥ ? 30 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current
Input Bias Current Change
? 17.5 Vdc ≥ V I ≥ ? 30 Vdc
5.0 mA ≤ I O ≤ 1.0 A
5.0 mA ≤ I O ≤ 1.5 A, T J = +25 ° C
Output Noise Voltage (T A = +25 ° C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (I O = 20 mA, f = 120 Hz)
Dropout Voltage (I O = 1.0 A, T J = +25 ° C)
Average Temperature Coefficient of Output Voltage
I O = 5.0 mA, Tlow* ≤ T J ≤ +125 ° C
Symbol
V O
Reg line
Reg load
V O
I IB
D I IB
V n
RR
V I ? V O
D V O / D T
Min
? 14.7
?
?
?
?
?
?
?
? 14.4
?
?
?
?
?
?
?
?
Typ
? 15
27
57
57
57
68
25
40
?
4.4
?
?
?
90
60
1.3
? 1.0
Max
? 15.3
75
150
150
150
150
75
150
? 15.6
8.0
0.8
0.5
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
5. Load and line regulation are specified at constant junction temperature. Changes in V O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = ? 40 ° C for MC7915B and Tlow = 0 ° C for MC7915C.
http://onsemi.com
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