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MC7900 Datasheet, PDF (4/14 Pages) ON Semiconductor – 1.0 A Negative Voltage Regulators
MC7900 Series
MC7906C
ELECTRICAL CHARACTERISTICS (VI = −11 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
Line Regulation (Note 3)
(TJ = +25°C, IO = 100 mA)
−8.0 Vdc ≥ VI ≥ − 25 Vdc
−9.0 Vdc ≥ VI ≥ −13 Vdc
(TJ = +25°C, IO = 500 mA)
−8.0 Vdc ≥ VI ≥ − 25 Vdc
−9.0 Vdc ≥ VI ≥ −13 Vdc
Load Regulation, TJ = +25°C (Note 3)
5.0 mA ≤ IO ≤ 1.5 A
250 mA ≤ IO ≤ 750 mA
VO
Regline
−5.75 −6.0 −6.25 Vdc
mV
−
9.0
60
−
3.0
30
−
−
Regload
−
−
43
120
10
60
mV
13
120
5.0
60
Output Voltage
−8.0 Vdc ≥ VI ≥ − 21 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
Vdc
− 5.7
−
− 6.3
Input Bias Current (TJ = +25°C)
Input Bias Current Change
−8.0 Vdc ≥ VI ≥ − 25 Vdc
5.0 mA ≤ IO ≤ 1.5 A
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)
Average Temperature Coefficient of Output Voltage
IO = 5.0 A, 0°C ≤ TJ ≤ +125°C
IIB
−
4.3
8.0
mA
DIIB
mA
−
−
1.3
−
−
0.5
Vn
−
45
−
mV
RR
−
65
−
dB
VI−VO
−
2.0
−
Vdc
DVO/DT
mV/°C
−
−1.0
−
MC7908C
ELECTRICAL CHARACTERISTICS (VI = −14 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
Line Regulation (Note 3)
(TJ = +25°C, IO = 100 mA)
−10.5 Vdc ≥ VI ≥ −25 Vdc
−11 Vdc ≥ VI ≥ −17 Vdc
(TJ = +25°C, IO = 500 mA)
−10.5 Vdc ≥ VI ≥ −25 Vdc
−11 Vdc ≥ VI ≥ −17 Vdc
Load Regulation, TJ = +25°C (Note 3)
5.0 mA ≤ IO ≤ 1.5 A
250 mA ≤ IO ≤ 750 mA
VO
Regline
−7.7 −8.0 −8.3 Vdc
mV
−
12
80
−
5.0
40
−
−
Regload
−
−
50
160
22
80
mV
26
160
9.0
80
Output Voltage
−10.5 Vdc ≥ VI ≥ − 23 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
Vdc
−7.6
−
− 8.4
Input Bias Current (TJ = +25°C)
IIB
−
4.3
8.0
mA
Input Bias Current Change
−10.5 Vdc ≥ VI ≥ − 25 Vdc
5.0 mA ≤ IO ≤ 1.5 A
DIIB
mA
−
−
1.0
−
−
0.5
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
−
52
−
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
−
62
−
dB
Dropout Voltage (IO = 1.0 A, TJ = +25°C)
VI−VO
−
2.0
−
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C
DVO/DT
mV/°C
−
−1.0
−
3. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
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