MC7900
MC7912C
ELECTRICAL CHARACTERISTICS (VI = –19 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Output Voltage (TJ = +25°C)
VO
–11.5 –12
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
–14.5 Vdc ≥ VI ≥ – 30 Vdc
–16 Vdc ≥ VI ≥ – 22 Vdc
(TJ = +25°C, IO = 500 mA)
–14.5 Vdc ≥ VI ≥ – 30 Vdc
–16 Vdc ≥ VI ≥ – 22 Vdc
Regline
–
13
–
6.0
–
55
–
24
Load Regulation, TJ = +25°C (Note 1)
5.0 mA ≤ IO ≤ 1.5 A
250 mA ≤ IO ≤ 750 mA
Regload
–
46
–
17
Output Voltage
–14.5 Vdc ≥ VI ≥ – 27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
–11.4
–
Input Bias Current (TJ = +25°C)
IIB
–
4.4
Input Bias Current Change
–14.5 Vdc ≥ VI ≥ – 30 Vdc
5.0 mA ≤ IO ≤ 1.5 A
∆IIB
–
–
–
–
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
–
75
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
–
61
Dropout Voltage
IO = 1.0 A, TJ = +25°C
VI–VO
–
2.0
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C
∆VO/∆T
–
–1.0
Max Unit
–12.5 Vdc
mV
120
60
240
120
240
120
–12.6
8.0
1.0
0.5
–
–
–
–
mV
Vdc
mA
mA
µV
dB
Vdc
mV/°C
MC7912AC
ELECTRICAL CHARACTERISTICS (VI = –19 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
VO
–11.75 –12 –12.25 Vdc
Line Regulation (Note 1)
–16 Vdc ≥ VI ≥ – 22 Vdc; IO = 1.0 A, TJ = +25°C
–16 Vdc ≥ VI ≥ – 22 Vdc; IO = 1.0 A
–14.8 Vdc ≥ VI ≥ – 30 Vdc; IO = 500 mA
–14.5 Vdc ≥ VI ≥ – 27 Vdc; IO = 1.0 A, TJ = +25°C
Load Regulation (Note 1)
5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C
250 mA ≤ IO ≤ 750 mA
5.0 mA ≤ IO ≤ 1.0 A
Regline
–
–
–
–
Regload
–
–
–
mV
6.0
60
24
120
24
120
13
120
mV
46
150
17
75
35
150
Output Voltage
–14.8 Vdc ≥ VI ≥ – 27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
Vdc
–11.5
–
–12.5
Input Bias Current
Input Bias Current Change
–15 Vdc ≥ VI ≥ – 30 Vdc
5.0 mA ≤ IO ≤ 1.0 A
5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
IIB
–
4.4
8.0
mA
∆IIB
mA
–
–
0.8
–
–
0.5
–
–
0.5
Vn
–
75
–
µV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
–
61
–
dB
Dropout Voltage
IO = 1.0 A, TJ = +25°C
VI–VO
Vdc
–
2.0
–
Average Temperature Coefficient of Output Voltage
IO = 5.0 A, 0°C ≤ TJ ≤ +125°C
∆VO/∆T
mV/°C
–
–1.0
–
NOTE: 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately.
NOTE: 1. Pulse testing with low duty cycle is used.
MOTOROLA ANALOG IC DEVICE DATA
5