MC7900 Series
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6
MC7915B, MC7915C
ELECTRICAL CHARACTERISTICS
(VI = − 23 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (TJ = +25°C) V
O
−14.4 −15 −15.6 Vdc
Line Regulation (Note 5)
(T
J
= +25°C, IO = 100 mA)
−17.5 Vdc ≥ V
I
≥ −30 Vdc
−20 Vdc ≥ V
I
≥ −26 Vdc
(T
J
= +25°C, IO = 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, TJ = +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 ≤ IO ≤ 1.0 A, P ≤ 15 W
V
O
−14.25 − −15.75
Vdc
Input Bias Current (TJ = +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
DI
IB
−
−
−
−
1.0
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
− 90 −
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz) RR − 60 − dB
Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI−V
O
− 1.3 − Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, Tlow* ≤ TJ ≤ +125°C
DVO/DT
− −1.0 −
mV/°C
MC7915AC
ELECTRICAL CHARACTERISTICS
(VI = − 23 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ = +25°C) V
O
−14.7 −15 −15.3 Vdc
Line Regulation (Note 5)
−20 Vdc ≥ V
I
≥ −26 Vdc, IO = 1.0 A, TJ = +25°C
−20 Vdc ≥ V
I
≥ −26 Vdc, IO = 1.0 A,
−17.9 Vdc ≥ V
I
≥ −30 Vdc, IO = 500 mA
−17.5 Vdc ≥ V
I
≥ −30 Vdc, IO = 1.0 A, TJ = +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, TJ = +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 ≤ IO ≤ 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, TJ = +25°C
DI
IB
−
−
−
−
−
−
0.8
0.5
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
− 90 −
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz) RR − 60 − dB
Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI−V
O
− 1.3 − Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, Tlow* ≤ TJ ≤ +125°C
DVO/DT
− −1.0 −
mV/°C
5. Load and line regulation are specified at constant junction temperature. Changes in VO 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.