MC79M00 Datasheet, PDF (3/8 Pages) Motorola, Inc – THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS

MC79M00 Series
MC79M08B, C
ELECTRICAL CHARACTERISTICS (V_I = −10 V, I_O = 350 mA, T_low to T_high (Note 4), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max Unit
Output Voltage (T_J = 25°C)
Line Regulation, T_J = 25°C (Note 3)
−7.0 Vdc ≥ V_I ≥ −25 Vdc
−8.0 Vdc ≥ V_I ≥ −18 Vdc
V_O
−7.7
−8.0
−8.3
Vdc
Reg_line
mV
−
5.0
80
−
3.0
50
Load Regulation, T_J = 25°C (Note 3)
5.0 mA ≤ I_O ≤ 500 mA
Reg_load
−
mV
30
100
Output Voltage
−7.0 Vdc ≥ V_I ≥ −25 Vdc, 5.0 mA ≤ I_O ≤ 350 mA
V_O
Vdc
−7.6 −8.0 −8.4
Input Bias Current (T_J = 25°C)
Input Bias Current Change
−8.0 Vdc ≥ V_I ≥ −25 Vdc, I_O = 350 mA
5.0 mA ≤ I_O ≤ 350 mA, V_I = −10 V
I_IB
−
−
8.0
mA
DI_IB
mA
−
−
0.4
−
−
0.4
Output Noise Voltage, T_A = 25°C, 10 Hz ≤ f ≤ 100 kHz
Ripple Rejection (f = 120 Hz)
V_n
−
60
−
mV
RR
54
63
−
dB
Dropout Voltage
I_O = 500 mA, T_J = 25°C
V_I−V_O
Vdc
−
1.1
−
Average Temperature Coefficient of Output Voltage
I_O = 5.0 mA, 0°C ≤ T_J ≤ 125°C
DV_O/DT
mV/°C
−
0.4
−
3. Load and line regulation are specified at constant temperature. Change in V_O due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
4. B = T_low to T_high, −40°C < T_J < 125°C
C = T_low to T_high, 0°C < T_J < 125°C
MC79M12B, C
ELECTRICAL CHARACTERISTICS (V_I = −19 V, I_O = 350 mA, T_low to T_high (Note 6), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max Unit
Output Voltage (T_J = 25°C)
Line Regulation, T_J = 25°C (Note 5)
−14.5 Vdc ≥ V_I ≥ −30 Vdc
−15 Vdc ≥ V_I ≥ −25 Vdc
V_O
−11.5 −12 −12.5 Vdc
Reg_line
mV
−
5.0
80
−
3.0
50
Load Regulation, T_J = 25°C (Note 5)
5.0 mA ≤ I_O ≤ 500 mA
Reg_load
−
mV
30
240
Output Voltage
−14.5 Vdc ≥ V_I ≥ −30 Vdc, 5.0 mA ≤ I_O ≤ 350 mA
V_O
Vdc
−11.4
−
−12.6
Input Bias Current (T_J = 25°C)
Input Bias Current Change
−14.5 Vdc ≥ V_I ≥ −30 Vdc, I_O = 350 mA
5.0 mA ≤ I_O ≤ 350 mA, V_I = −19 V
I_IB
−
4.4
8.0
mA
DI_IB
mA
−
−
0.4
−
−
0.4
Output Noise Voltage, T_A = 25°C, 10 Hz ≤ f ≤ 100 kHz
Ripple Rejection (f = 120 Hz)
V_n
−
75
−
mV
RR
54
60
−
dB
Dropout Voltage
I_O = 500 mA, T_J = 25°C
V_I−V_O
Vdc
−
1.1
−
Average Temperature Coefficient of Output Voltage
I_O = 5.0 mA, 0°C ≤ T_J ≤ 125°C
DV_O/DT
mV/°C
−
−0.8
−
5. Load and line regulation are specified at constant temperature. Change in V_O due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
6. B = T_low to T_high, −40°C < T_J < 125°C
C = T_low to T_high, 0°C < T_J < 125°C
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