MC7900 Series
MC7915B, MC7915C
ELECTRICAL CHARACTERISTICS
(V
I
= − 23 V, I
O
= 500 mA, Tlow* < T
J
< +125°C, unless otherwise noted.)
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation (Note 5)
(T
J
= +25°C, I
O
= 100 mA)
−17.5 Vdc
≥
V
I
≥
− 30 Vdc
−20 Vdc
≥
V
I
≥
− 26 Vdc
(T
J
= +25°C, I
O
= 500 mA)
−17.5 Vdc
≥
V
I
≥
− 30 Vdc
−20 Vdc
≥
V
I
≥
− 26 Vdc
Load Regulation, T
J
= +25°C (Note 5)
5.0 mA
≤
I
O
≤
1.5 A
250 mA
≤
I
O
≤
750 mA
Output Voltage
−17.5 Vdc
≥
V
I
≥
− 30 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
Input Bias Current (T
J
= +25°C)
Input Bias Current Change
−17.5 Vdc
≥
V
I
≥
− 30 Vdc
5.0 mA
≤
I
O
≤
1.5 A
Output Noise Voltage (T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
Dropout Voltage (I
O
= 1.0 A, T
J
= +25°C)
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, Tlow*
≤
T
J
≤
+125°C
Symbol
V
O
Reg
line
−
−
−
−
Reg
load
−
−
V
O
−14.25
I
IB
DI
IB
−
−
V
n
RR
V
I
−V
O
DV
O
/DT
−
−1.0
−
−
−
−
−
−
90
60
2.0
1.0
0.5
−
−
−
mV
dB
Vdc
mV/°C
−
−
4.4
−15.75
8.0
mA
mA
68
25
300
150
Vdc
14
6.0
57
27
150
75
300
150
mV
Min
−14.4
Typ
−15
Max
−15.6
Unit
Vdc
mV
MC7915AC
ELECTRICAL CHARACTERISTICS
(V
I
= − 23 V, I
O
= 500 mA, Tlow* < T
J
< +125°C, unless otherwise noted.)
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation (Note 5)
−20 Vdc
≥
V
I
≥
− 26 Vdc, I
O
= 1.0 A, T
J
= +25°C
−20 Vdc
≥
V
I
≥
− 26 Vdc, I
O
= 1.0 A,
−17.9 Vdc
≥
V
I
≥
− 30 Vdc, I
O
= 500 mA
−17.5 Vdc
≥
V
I
≥
− 30 Vdc, I
O
= 1.0 A, T
J
= +25°C
Load Regulation (Note 5)
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25°C
250 mA
≤
I
O
≤
750 mA
5.0 mA
≤
I
O
≤
1.0 A
Output Voltage
−17.9 Vdc
≥
V
I
≥
− 30 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
Input Bias Current
Input Bias Current Change
−17.5 Vdc
≥
V
I
≥
− 30 Vdc
5.0 mA
≤
I
O
≤
1.0 A
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25°C
Output Noise Voltage (T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
Dropout Voltage (I
O
= 1.0 A, T
J
= +25°C)
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, Tlow*
≤
T
J
≤
+125°C
Symbol
V
O
Reg
line
−
−
−
−
Reg
load
−
−
−
V
O
−14.4
I
IB
DI
IB
−
−
−
V
n
RR
V
I
−V
O
DV
O
/DT
−
−1.0
−
−
−
−
−
−
−
90
60
2.0
0.8
0.5
0.5
−
−
−
mV
dB
Vdc
mV/°C
−
−
4.4
−15.6
8.0
mA
mA
68
25
40
150
75
150
Vdc
27
57
57
57
75
150
150
150
mV
Min
−14.7
Typ
−15
Max
−15.3
Unit
Vdc
mV
5. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = −40°C for MC7915B and Tlow = 0°C for MC7915C.
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