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MC79XXCT 数据表(PDF) 4 Page - Vishay Siliconix

部件名 MC79XXCT
功能描述  3-Terminal Fixed Negative Voltage Regulators
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制造商  VISHAY [Vishay Siliconix]
网页  http://www.vishay.com
标志 VISHAY - Vishay Siliconix

MC79XXCT 数据表(HTML) 4 Page - Vishay Siliconix

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Electrical Characteristics – MC7909
Vin = –15V, Iout = 500mA, Cin = 2
µF, Cout = 1µF; TJ = 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Conditions
Min.
Typ.
Max.
Unit
Circuit
TJ = 25°C
–8.82
–9.0
–9.18
V
Output Voltage
Vo
1
Vin = –11.5 to –24V,
–8.73
—–9.27
Io = 5mA to 1A
Line Regulation
REGline
1
Vin = –11.5 to –27V
7
180
mV
(TJ = 25°C)
Vin = –12 to –16V
290
Load Regulation
REGload
1
Io = 5mA to 1.5A
12
180
mV
(TJ = 25°C)
Io = 250mA to 750mA
490
Quiescent Current
Iq
2TJ = 25°C
2.2
4.5
mA
Quiescent Current Change
∆Iq
2
Vin = –11.5 to –27V
——
1
mA
(TJ = 25°C)
Io = 5mA to 1A
——
0.5
Output Noise Voltage (TJ = 25°C)
Vn
1
f = 10Hz to 100KHz
58
µV
Ripple Rejection Ratio
RR
3
Vin = –12 to –22V
56
71
dB
Io = 100mA, f = 120Hz
Dropout Voltage
Vdrop
Io = 1.0A, TJ = 25°C
1.1
V
Peak Output Current
Io-peak
1TJ = 25°C
2.1
A
Temp. Coefficient of Output Voltage
∆Vo/∆TA
1
Io = 5mA, TJ = 0 to125°C
0.6
mV/°C
Electrical Characteristics – MC7912
Vin = –19V, Iout = 500mA, Cin = 2
µF, Cout = 1µF; TJ = 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Conditions
Min.
Typ.
Max.
Unit
Circuit
TJ = 25°C
–11.76
–12.0
–12.24
V
Output Voltage
Vo
1
Vin = –14.5 to –27V,
–11.64
—–12.36
Io = 5mA to 1A
Line Regulation
REGline
1
Vin = –14.5 to –30V
10
240
mV
(TJ = 25°C)
Vin = –15 to –19V
3
120
Load Regulation
REGload
1
Io = 5mA to 1.5A
12
240
mV
(TJ = 25°C)
Io = 250mA to 750mA
4
120
Quiescent Current
Iq
2TJ = 25°C
2.5
5
mA
Quiescent Current Change
∆Iq
2
Vin = –14.5 to –30V
——
1
mA
(TJ = 25°C)
Io = 5mA to 1A
——
0.5
Output Noise Voltage (TJ = 25°C)
Vn
1
f = 10Hz to 100KHz
75
µV
Ripple Rejection Ratio
RR
3
Vin = –15 to –25V
55
70
dB
Io = 100mA, f = 120Hz
Dropout Voltage
Vdrop
Io = 1.0A, TJ = 25°C
1.1
V
Peak Output Current
Io-peak
1TJ = 25°C
2.1
A
Temp. Coefficient of Output Voltage
∆Vo/∆TA
1
Io = 5mA, TJ = 0 to125°C
—–0.8
mV/°C
MC79xxCT Series
Vishay
formerly General Semiconductor
www.vishay.com
Document Number 74814
4
11-Jun-02


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