MC79xxCT Series
Vishay
formerly General Semiconductor
Electrical Characteristics – MC7915
V
in
= –23V, I
out
= 500mA, C
in
= 2µF, C
out
= 1µF; T
J
= 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Circuit
1
Conditions
T
J
= 25°C
Output Voltage
Vo
V
in
= –17.5 to –30V,
Io = 5mA to 1A
V
in
= –17.5 to –30V
V
in
= –18 to –22V
Io = 5mA to 1.5A
Io = 250mA to 750mA
T
J
= 25°C
V
in
= –17.5 to –30V
Io = 5mA to 1A
f = 10Hz to 100KHz
V
in
= –18 to –28V
Io = 100mA, f = 120Hz
Io = 1.0A, T
J
= 25°C
1
1
T
J
= 25°C
Io = 5mA, T
J
= 0 to125°C
Min.
–14.7
–14.55
—
—
—
—
—
—
—
—
54
—
—
—
Typ.
–15
—
11
3
12
4
2.5
—
—
90
69
1.1
2.1
0.9
Max.
–15.3
–15.45
300
150
300
150
5
1
0.5
—
—
—
—
—
V
Unit
Line Regulation
(T
J
= 25°C)
Load Regulation
(T
J
= 25°C)
Quiescent Current
Quiescent Current Change
(T
J
= 25°C)
Output Noise Voltage (T
J
= 25°C)
Ripple Rejection Ratio
Dropout Voltage
Peak Output Current
Temp. Coefficient of Output Voltage
REG
line
1
mV
REG
load
I
q
∆I
q
V
n
RR
V
drop
Io-
peak
∆V
o/∆T
A
1
2
2
1
3
mV
mA
mA
µV
dB
V
A
mV/°C
Electrical Characteristics – MC7918
V
in
= –27V, I
out
= 500mA, C
in
= 2µF, C
out
= 1µF; T
J
= 0°C to 125°C, unless otherwise noted.
Parameter
Symbol
Test
Circuit
1
Conditions
T
J
= 25°C
Output Voltage
Vo
V
in
= –21 to –33V,
Io = 5mA to 1A
V
in
= –21 to –33V
V
in
= –22 to –26V
Io = 5mA to 1.5A
Io = 250mA to 750mA
T
J
= 25°C
V
in
= –21 to –33V
Io = 5mA to 1A
f = 10Hz to 100KHz
V
in
= –21 to –31V
Io = 100mA, f = 120Hz
Io = 1.0A, T
J
= 25°C
1
1
T
J
= 25°C
Io = 5mA, T
J
= 0 to125°C
Min.
–17.64
–17.46
—
—
—
—
—
—
—
—
53
—
—
—
Typ.
–18.0
—
15
5
12
4
2.5
—
—
110
68
1.1
2.1
–1
Max.
–18.36
–18.54
360
180
360
180
5
1
0.5
—
—
—
—
—
V
Unit
Line Regulation
(T
J
= 25°C)
Load Regulation
(T
J
= 25°C)
Quiescent Current
Quiescent Current Change
(T
J
= 25°C)
Output Noise Voltage (T
J
= 25°C)
Ripple Rejection Ratio
Dropout Voltage
Peak Output Current
Temp. Coefficient of Output Voltage
REG
line
1
mV
REG
load
I
q
∆I
q
V
n
RR
V
drop
Io-
peak
∆V
o/∆T
A
1
2
2
1
3
mV
mA
mA
µV
dB
V
A
mV/°C
Document Number 74814
11-Jun-02
www.vishay.com
5
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