MC7900_05 Datasheet, PDF (3/16 Pages) ON Semiconductor – 1.0 A Negative Voltage Regulators

MC7900 Series
MC7905AC
ELECTRICAL CHARACTERISTICS (V_I = −10 V, I_O = 500 mA, 0°C < T_J < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (T_J = +25°C)
Line Regulation (Note 2)
−8.0 Vdc ≥ V_I ≥ −12 Vdc; I_O = 1.0 A, T_J = +25°C
−8.0 Vdc ≥ V_I ≥ −12 Vdc; I_O = 1.0 A
−7.5 Vdc ≥ V_I ≥ − 25 Vdc; I_O = 500 mA
−7.0 Vdc ≥ V_I ≥ − 20 Vdc; I_O = 1.0 A, T_J = +25°C
V_O
Reg_line
−4.9 −5.0 −5.1 Vdc
mV
−
2.0
25
−
7.0
50
−
7.0
50
−
6.0
50
Load Regulation (Note 2)
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
−7.5 Vdc ≥ V_I ≥ − 20 Vdc, 5.0 mA ≤ I_O ≤ 1.0 A, P ≤ 15 W
Reg_load
−
−
−
mV
11
100
4.0
50
9.0
100
V_O
Vdc
− 4.80
−
− 5.20
Input Bias Current
Input Bias Current Change
−7.5 Vdc ≥ V_I ≥ − 25 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 = 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, 0°C ≤ T_J ≤ +125°C
I_IB
−
4.4
8.0
mA
DI_IB
mA
−
−
1.3
−
−
0.5
−
−
0.5
V_n
−
40
−
mV
RR
−
70
−
dB
V_I−V_O
−
1.3
−
Vdc
DV_O/DT
mV/°C
−
−1.0
−
MC7905.2C
ELECTRICAL CHARACTERISTICS (V_I = −10 V, I_O = 500 mA, 0°C < T_J < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (T_J = +25°C)
Line Regulation (Note 2)
(T_J = +25°C, I_O = 100 mA)
−7.2 Vdc ≥ V_I ≥ − 25 Vdc
−8.0 Vdc ≥ V_I ≥ −12 Vdc
(T_J = +25°C, I_O = 500 mA)
−7.2 Vdc ≥ V_I ≥ − 25 Vdc
−8.0 Vdc ≥ V_I ≥ −12 Vdc
Load Regulation, T_J = +25°C (Note 2)
5.0 mA ≤ I_O ≤ 1.5 A
250 mA ≤ I_O ≤ 750 mA
V_O
Reg_line
−5.0 −5.2 −5.4 Vdc
mV
−
8.0
52
−
2.2
27
−
−
Reg_load
−
−
37
105
8.5
52
mV
12
105
4.5
52
Output Voltage
−7.2 Vdc ≥ V_I ≥ − 20 Vdc, 5.0 mA ≤ I_O ≤ 1.0 A, P ≤ 15 W
V_O
Vdc
− 4.95
−
− 5.45
Input Bias Current (T_J = +25°C)
I_IB
−
4.3
8.0
mA
Input Bias Current Change
−7.2 Vdc ≥ V_I ≥ − 25 Vdc
5.0 mA ≤ I_O ≤ 1.5 A
DI_IB
mA
−
−
1.3
−
−
0.5
Output Noise Voltage (T_A = +25°C, 10 Hz ≤ f ≤ 100 kHz)
V_n
−
42
−
mV
Ripple Rejection (I_O = 20 mA, f = 120 Hz)
RR
−
68
−
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, 0°C ≤ T_J ≤ +125°C
DV_O/DT
mV/°C
−
−1.0
−
2. 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.
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