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参数资料
| 型号： | MC7918 |
| 厂商： | MICRO COMMERCIAL COMPONENTS |
| 元件分类： | 固定负电压单路输出标准稳压器 |
| 英文描述： | 18 V FIXED NEGATIVE REGULATOR, PSFM3 |
| 封装： | TO-220, 3 PIN |
| 文件页数： | 4/6页 |
| 文件大小： | 229K |
| 代理商： | MC7918 |
MC7912
Electrical Characteristics (Vi=19V, Io=500mA, OoC<Tj<125oC, Ci=2.0uF, Co=1.0uF, Unless Otherwise Specified)
Parameter
Sym
Min
Typ
Max
Test conditions
11.76V
12V
12.24V
Tj=25
oC
Output Voltage
V0
11.66V
12.34V
14.5V
≦V1≦27V,
5mA
≦IO≦1.0A,
PD=15W
12mV
240mV
5.0mA
≦IO≦1.5A, Tj=25
oC,
Load Regulation
△Vo
4.0mV
120mV
250mA
≦IO≦750mA, Tj=25
oC
Line regulation
△Vo
10mV
3.0mV
240mV
120mV
14.5V
≦V1≦30V, Tj=25
oC
16V
≦V1≦22V, Tj=25
oC
Quiescent Current
Iq
2.5mA
5.0mA
Tj=25
oC, I
O=0
Quiescent Current
Change
△Iq
1.0mA
0.5mA
14.5V
≦V1≦30V
5mA
≦Io≦1.0A
Output Noise Voltage
VN
75
V
10Hz
≦f≦100KHz Tj=25
oC
Ripple Rejection
RR
55dB
70dB
f=120Hz
Dropout Voltage
Vd
1.1V
IO=1.0A, Tj=25
oC
Peak Output Current
Iopeak
2.1A
Tj=25
oC
Temperature Coefficient of Output voltage
△VO/△Tj
0.8mV/
oC
0
oC≦Tj≦125 oC, IO=5mA
MC7915
Electrical Characteristics (Vi=23V, Io=500mA, OoC<Tj<125 oC, Ci=2.0uF, Co=1.0uF, Unless Otherwise Specified)
Parameter
Sym
Min
Typ
Max
Test conditions
14.7V
15.0V
15.3V
Tj=25
oC
Output Voltage
V0
14.55V
15.45V
17.5V
≦V1≦30V,
5mA
≦IO≦1.0A,
PD=15W
12mV
300mV
5mA
≦IO≦1.5A, Tj=25
oC,
Load Regulation
△Vo
4.0mV
150mV
250mA
≦IO≦750mA, Tj=25
oC
Line regulation
△Vo
11mV
3.0mV
300mV
150mV
17.5V
≦V1≦30V, Tj=25
oC
16V
≦V1≦22V, Tj=25
oC
Quiescent Current
Iq
2.5mA
5.0mA
Tj=25
oC, I
O=0
Quiescent Current
Change
△Iq
1.0mA
0.5mA
17.5V
≦V1≦30V
5mA
≦Io≦1.0A
Output Noise Voltage
VN
90
V
10Hz
≦f≦100KHz Tj=25
oC
Ripple Rejection
RR
54dB
69dB
f=120Hz
Dropout Voltage
Vd
1.1V
IO=1.0A, Tj=25
oC
Peak Output Current
Iopeak
2.1A
Tj=25
oC
Temperature Coefficient of Output voltage
△VO/△Tj
0.9mV/
oC
0
oC≦Tj≦125 oC, IO=5mA
MCC
www.mccsemi.com
Revision: 1
2003/04/17
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