MC7900_06 Datasheet, PDF (6/16 Pages) ON Semiconductor – 1.0 A Negative Voltage Regulators

MC7900 Series
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)
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
V_O
−14.4 −15 −15.6 Vdc
Reg_line
mV
−
14
150
−
6.0
75
−
−
Reg_load
−
−
57
300
27
150
mV
68
300
25
150
Output Voltage
−17.5 Vdc ≥ V_I ≥ − 30 Vdc, 5.0 mA ≤ I_O ≤ 1.0 A, P ≤ 15 W
V_O
Vdc
−14.25
−
−15.75
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
I_IB
−
4.4
8.0
mA
DI_IB
mA
−
−
1.0
−
−
0.5
V_n
−
90
−
mV
RR
−
60
−
dB
V_I−V_O
−
1.3
−
Vdc
DV_O/DT
mV/°C
−
−1.0
−
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)
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
V_O
−14.7 −15 −15.3 Vdc
Reg_line
mV
−
27
75
−
57
150
−
57
150
−
57
150
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
Reg_load
−
−
−
mV
68
150
25
75
40
150
V_O
Vdc
−14.4
−
−15.6
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
DI_IB
mA
−
−
0.8
−
−
0.5
−
−
0.5
Output Noise Voltage (T_A = +25°C, 10 Hz ≤ f ≤ 100 kHz)
V_n
−
90
−
mV
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
DV_O/DT
mV/°C
−
−1.0
−
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.
http://onsemi.com
6