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MC7905CT View Datasheet(PDF) - Vishay Semiconductors

Part NameDescriptionManufacturer
MC7905CT 3-Terminal Fixed Negative Voltage Regulators Vishay
Vishay Semiconductors Vishay
MC7905CT Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC79xxCT Series
Vishay
formerly General Semiconductor
Electrical Characteristics MC7909
Vin = 15V, Iout = 500mA, Cin = 2µF, Cout = 1µF; TJ = 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Circuit
Conditions
Min. Typ. Max. Unit
Output Voltage
TJ = 25°C
8.82 9.0 9.18
Vo
1
Vin = 11.5 to 24V,
8.73
9.27
V
Io = 5mA to 1A
Line Regulation
(TJ = 25°C)
REGline
1
Vin = 11.5 to 27V
Vin = 12 to 16V
7
180
mV
2
90
Load Regulation
(TJ = 25°C)
Io = 5mA to 1.5A
12
180
REGload
1
mV
Io = 250mA to 750mA
4
90
Quiescent Current
Iq
2
TJ = 25°C
2.2
4.5 mA
Quiescent Current Change
(TJ = 25°C)
Vin = 11.5 to 27V
1
Iq
2
mA
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
Temp. Coefficient of Output Voltage
Io-peak
1
TJ = 25°C
2.1
A
Vo/TA
1 Io = 5mA, TJ = 0 to125°C
0.6
mV/°C
Electrical Characteristics MC7912
Vin = 19V, Iout = 500mA, Cin = 2µF, Cout = 1µF; TJ = 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Circuit
Conditions
Min. Typ. Max. Unit
Output Voltage
TJ = 25°C
11.76 12.0 12.24
Vo
1
Vin = 14.5 to 27V,
11.64
12.36
V
Io = 5mA to 1A
Line Regulation
(TJ = 25°C)
REGline
1
Vin = 14.5 to 30V
Vin = 15 to 19V
10
240
mV
3
120
Load Regulation
(TJ = 25°C)
Io = 5mA to 1.5A
12
240
REGload
1
mV
Io = 250mA to 750mA
4
120
Quiescent Current
Iq
2
TJ = 25°C
2.5
5
mA
Quiescent Current Change
(TJ = 25°C)
Vin = 14.5 to 30V
1
Iq
2
mA
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
1
TJ = 25°C
2.1
A
Temp. Coefficient of Output Voltage
Vo/TA
1
Io = 5mA, TJ = 0 to125°C — –0.8 mV/°C
www.vishay.com
4
Document Number 74814
11-Jun-02
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