MC7900 Datasheet, PDF (7/12 Pages) ON Semiconductor – 1.0 A Negative Voltage Regulators

MC7900
MC7918C
ELECTRICAL CHARACTERISTICS (VI = – 27 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Output Voltage (TJ = +25°C)
VO
–17.3 –18
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
–21 Vdc ≥ VI ≥ – 33 Vdc
–24 Vdc ≥ VI ≥ – 30 Vdc
(TJ = +25°C, IO = 500 mA)
–21 Vdc ≥ VI ≥ – 33 Vdc
–24 Vdc ≥ VI ≥ – 30 Vdc
Regline
–
25
–
10
–
90
–
50
Load Regulation, TJ = +25°C (Note 1)
5.0 mA ≤ IO ≤ 1.5 A
250 mA ≤ IO ≤ 750 mA
Regload
–
110
–
55
Output Voltage
– 21 Vdc ≥ VI ≥ – 33 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
–17.1
–
Input Bias Current (TJ = +25°C)
IIB
–
4.5
Input Bias Current Change
–21 Vdc ≥ VI ≥ – 33 Vdc
5.0 mA ≤ IO ≤ 1.5 A
∆IIB
–
–
–
–
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
–
110
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
–
59
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
–18.7 Vdc
mV
180
90
360
180
360
180
–18.9
8.0
1.0
0.5
–
–
–
–
mV
Vdc
mA
mA
µV
dB
Vdc
mV/°C
MC7924C
ELECTRICAL CHARACTERISTICS (VI = – 33 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
VO
– 23
– 24
– 25
Vdc
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
– 27 Vdc ≥ VI ≥ – 38 Vdc
– 30 Vdc ≥ VI ≥ – 36 Vdc
(TJ = +25°C, IO = 500 mA)
– 27 Vdc ≥ VI ≥ – 38 Vdc
– 30 Vdc ≥ VI ≥ – 36 Vdc
Load Regulation, TJ = +25°C (Note 1)
5.0 mA ≤ IO ≤ 1.5 A
250 mA ≤ IO ≤ 750 mA
Regline
–
–
–
–
Regload
–
–
mV
31
240
14
120
118
470
70
240
mV
150
480
85
240
Output Voltage
– 27 Vdc ≥ VI ≥ – 38 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
Vdc
– 22.8
–
– 25.2
Input Bias Current (TJ = +25°C)
Input Bias Current Change
– 27 Vdc ≥ VI ≥ – 38 Vdc
5.0 mA ≤ IO ≤ 1.5 A
IIB
–
4.6
8.0
mA
∆IIB
mA
–
–
1.0
–
–
0.5
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (IO = 20 mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A, TJ = +25°C
Vn
–
170
–
µV
RR
–
56
–
dB
VI–VO
Vdc
–
2.0
–
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 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
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