MC79xxCT Series
Vishay
formerly General Semiconductor
Electrical Characteristics – MC7909
Vin = –15V, I
out
= 500mA, Cin = 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
= –11.5 to –24V,
Io = 5mA to 1A
V
in
= –11.5 to –27V
V
in
= –12 to –16V
Io = 5mA to 1.5A
Io = 250mA to 750mA
T
J
= 25°C
V
in
= –11.5 to –27V
Io = 5mA to 1A
f = 10Hz to 100KHz
V
in
= –12 to –22V
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.
–8.82
–8.73
—
—
—
—
—
—
—
—
56
—
—
—
Typ.
–9.0
—
7
2
12
4
2.2
—
—
58
71
1.1
2.1
0.6
Max.
–9.18
–9.27
180
90
180
90
4.5
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 – MC7912
Vin = –19V, I
out
= 500mA, Cin = 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
= –14.5 to –27V,
Io = 5mA to 1A
V
in
= –14.5 to –30V
V
in
= –15 to –19V
Io = 5mA to 1.5A
Io = 250mA to 750mA
T
J
= 25°C
V
in
= –14.5 to –30V
Io = 5mA to 1A
f = 10Hz to 100KHz
V
in
= –15 to –25V
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.
–11.76
–11.64
—
—
—
—
—
—
—
—
55
—
—
—
Typ.
–12.0
—
10
3
12
4
2.5
—
—
75
70
1.1
2.1
–0.8
Max.
–12.24
–12.36
240
120
240
120
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
www.vishay.com
4
Document Number 74814
11-Jun-02
VISHAY [ VISHAY TELEFUNKEN ]
