MC7924CT データシートの表示（PDF） - Vishay Semiconductors
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MC7924CT Datasheet PDF : 8 Pages
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MC79xxCT Series
Vishay
formerly General Semiconductor
Electrical Characteristics – MC7924
Vin = –33V, 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
–23.52 –24 –24.48
Vo
1
Vin = –26 to –38V,
V
–23.28 — –24.72
Io = 5mA to 1A
Line Regulation
(TJ = 25°C)
REGline
1
Vin = –26 to –38V
Vin = –27 to –32V
—
18
480
mV
—
6
240
Load Regulation
(TJ = 25°C)
Io = 5mA to 1.5A
—
12
480
REGload
1
mV
Io = 250mA to 750mA —
4
240
Quiescent Current
Iq
2
TJ = 25°C
—
3
5
mA
Quiescent Current Change
(TJ = 25°C)
Vin = –26 to –38V
—
—
1
∆Iq
2
mA
Io = 5mA to 1A
—
—
0.5
Output Noise Voltage (TJ = 25°C)
Vn
1
f = 10Hz to 100KHz
—
170
—
µV
Ripple Rejection Ratio
RR
3
Vin = –26 to –36V
50
65
—
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 —
–1
— mV/°C
Test Circuit 1
1 MC79xx 3
2
+
1µF
V
2µF
+
Io
Test Circuit 2
A
1 MC79xx 3
2
+
1µF
2µF
+
Io
Test Circuit 3
1 MC79xx 3
2
+
1µF
V
2µF
+
Io
www.vishay.com
6
Document Number 74814
11-Jun-02
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