MC7900 Series
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6
MC7915B, MC7915C
ELECTRICAL CHARACTERISTICS
(V
I
= 23 V, I
O
= 500 mA, Tlow* < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
14.4
15
15.6
Vdc
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
Reg
line
14
6.0
57
27
150
75
300
150
mV
Load Regulation, T
J
= +25
°
C (Note 5)
5.0 mA
≤
I
O
≤
1.5 A
250 mA
≤
I
O
≤
750 mA
Reg
load
68
25
300
150
mV
Output Voltage
17.5 Vdc
≥
V
I
≥
30 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
14.25
15.75
Vdc
Input Bias Current (T
J
= +25
°
C)
I
IB
4.4
8.0
mA
Input Bias Current Change
17.5 Vdc
≥
V
I
≥
30 Vdc
5.0 mA
≤
I
O
≤
1.5 A
I
IB
1.0
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
90
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
60
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25
°
C)
V
I
V
O
1.3
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, Tlow*
≤
T
J
≤
+125
°
C
V
O
/ T
1.0
mV/
°
C
MC7915AC
ELECTRICAL CHARACTERISTICS
(V
I
= 23 V, I
O
= 500 mA, Tlow* < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
14.7
15
15.3
Vdc
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
Reg
line
27
57
57
57
75
150
150
150
mV
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
Reg
load
68
25
40
150
75
150
mV
Output Voltage
17.9 Vdc
≥
V
I
≥
30 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
14.4
15.6
Vdc
Input Bias Current
I
IB
4.4
8.0
mA
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
I
IB
0.8
0.5
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
90
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
60
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25
°
C)
V
I
V
O
1.3
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, Tlow*
≤
T
J
≤
+125
°
C
V
O
/ T
1.0
mV/
°
C
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.