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MC7900 Datasheet, PDF (3/12 Pages) ON Semiconductor – 1.0 A Negative Voltage Regulators | |||
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MC7900
MC7905AC
ELECTRICAL CHARACTERISTICS (VI = â10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Output Voltage (TJ = +25°C)
VO
â 4.9 â 5.0
Line Regulation (Note 1)
â 8.0 Vdc ⥠VI ⥠â12 Vdc; IO = 1.0 A, TJ = +25°C
â 8.0 Vdc ⥠VI ⥠â12 Vdc; IO = 1.0 A
â7.5 Vdc ⥠VI ⥠â 25 Vdc; IO = 500 mA
â7.0 Vdc ⥠VI ⥠â 20 Vdc; IO = 1.0 A, TJ = +25°C
Regline
â
2.0
â
7.0
â
7.0
â
6.0
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
Regload
â
11
â
4.0
â
9.0
Output Voltage
â7.5 Vdc ⥠VI ⥠â 20 Vdc, 5.0 mA ⤠IO ⤠1.0 A, P ⤠15 W
VO
â 4.80
â
Input Bias Current
IIB
â
4.4
Input Bias Current Change
â7.5 Vdc ⥠VI ⥠â 25 Vdc
5.0 mA ⤠IO ⤠1.0 A
5.0 mA ⤠IO ⤠1.5 A, TJ = +25°C
âIIB
â
â
â
â
â
â
Output Noise Voltage (TA = +25°C, 10 Hz ⤠f ⤠100 kHz)
Vn
â
40
Ripple Rejection (IO = mA, f = 120 Hz)
RR
â
70
Dropout Voltage
IO = 1.0 A. TJ = +25°C
VIâVO
â
2.0
Average Temperature Coefficient of Output Voltage
IO = 5.0 A, 0°C ⤠TJ ⤠+125°C
âVO/âT
â
â1.0
Max
â 5.1
25
50
50
50
100
50
100
â 5.20
8.0
1.3
0.5
0.5
â
â
â
â
Unit
Vdc
mV
mV
Vdc
mA
mA
µV
dB
Vdc
mV/°C
MC7905.2C
ELECTRICAL CHARACTERISTICS (VI = â10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
VO
â 5.0
â 5.2 â 5.4
Vdc
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
â7.2 Vdc ⥠VI ⥠â 25 Vdc
â 8.0 Vdc ⥠VI ⥠â12 Vdc
(TJ = +25°C, IO = 500 mA)
â7.2 Vdc ⥠VI ⥠â 25 Vdc
â 8.0 Vdc ⥠VI ⥠â12 Vdc
Load Regulation, TJ = +25°C (Note 1)
5.0 mA ⤠IO ⤠1.5 A
250 mA ⤠IO ⤠750 mA
Regline
â
â
â
â
Regload
â
â
mV
8.0
52
2.2
27
37
105
8.5
52
mV
12
105
4.5
52
Output Voltage
â7.2 Vdc ⥠VI ⥠â 20 Vdc, 5.0 mA ⤠IO ⤠1.0 A, P ⤠15 W
VO
Vdc
â 4.95
â
â 5.45
Input Bias Current (TJ = +25°C)
Input Bias Current Change
â7.2 Vdc ⥠VI ⥠â 25 Vdc
5.0 mA ⤠IO ⤠1.5 A
IIB
â
4.3
8.0
mA
âIIB
mA
â
â
1.3
â
â
0.5
Output Noise Voltage (TA = +25°C, 10 Hz ⤠f ⤠100 kHz)
Vn
â
42
â
µV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
â
68
â
dB
Dropout Voltage
IO = 1.0 A, TJ = +25°C
VIâVO
Vdc
â
2.0
â
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0°C ⤠TJ ⤠+125°C
âVO/âT
mV/°C
â
â1.0
â
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
3
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