MC79XXCT Datasheet, PDF (2/8 Pages) Vishay Siliconix – 3-Terminal Fixed Negative Voltage Regulators

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
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Document Number 74814
11-Jun-02