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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
Maximum Ratings Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Input Voltage(1)
Input Voltage(2)
Power Dissipation(3)
Symbol
Vin
Vin
PD
Operating Junction Temperature Range
TJ
Storage Junction Temperature Range
Tstg
Notes: (1) MC7905 to MC7918
(2) MC7924
(3) Follow the derating curve. When TJ exceeds 150°C, the internal circuit cuts off the output
Value
30
40
15
20 to +150
65 to +150
Unit
V
V
W
°C
°C
Electrical Characteristics – MC7905
Vin = –10V, Iout = 500mA, Cin = 2µF, Cout = 1µF; TJ = 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Circuit
Conditions
Min. Typ. Max.
Output Voltage
TJ = 25°C
4.90 5.0 5.10
Vo
1
Vin = 7 to 20V,
4.85 — –5.15
Io = 5mA to 1A
Line Regulation
(TJ = 25°C)
REGline
1
Vin = 7 to 25V
Vin = 8 to 12V
3
100
1
50
Load Regulation
(TJ = 25°C)
REGload
1
Io = 5mA to 1.5A
Io = 250mA to 750mA
10
100
3
50
Quiescent Current
Iq
2
TJ = 25°C
2
4
Quiescent Current Change
(TJ = 25°C)
Vin = 7 to 25V
1.3
Iq
2
Io = 5mA to 1A
0.5
Output Noise Voltage (TJ = 25°C)
Vn
1
f = 10Hz to 100KHz
40
Ripple Rejection Ratio
RR
3
Vin = 8 to 18V
62
74
Io = 100mA, f = 120Hz
Dropout Voltage
Vdrop
Io = 1.0A, TJ = 25°C
1.1
Peak Output Current
Io-peak
1
TJ = 25°C
2.1
Temp. Coefficient of Output Voltage
Vo/TA
1
Io = 5mA, TJ = 0 to125°C — –0.4
Note: Where the condition TJ = 25°C is specified, pulse testing (<10ms) with low duty cycle is required to maintain junction temperature stability.
Unit
V
mV
mV
mA
mA
µV
dB
V
A
mV/°C
2 of 8
www.vishay.com
2
Document Number 74814
11-Jun-02
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