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MC7908 View Datasheet(PDF) - Motorola => Freescale

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MC7908 Datasheet PDF : 12 Pages
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MC7900
MC7905AC
ELECTRICAL CHARACTERISTICS (VI = –10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Output Voltage (TJ = +25°C)
VO
– 4.9 – 5.0
Line Regulation (Note 1)
– 8.0 Vdc VI –12 Vdc; IO = 1.0 A, TJ = +25°C
– 8.0 Vdc VI –12 Vdc; IO = 1.0 A
–7.5 Vdc VI – 25 Vdc; IO = 500 mA
–7.0 Vdc VI – 20 Vdc; IO = 1.0 A, TJ = +25°C
Regline
2.0
7.0
7.0
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
11
4.0
9.0
Output Voltage
–7.5 Vdc VI – 20 Vdc, 5.0 mA IO 1.0 A, P 15 W
VO
– 4.80
Input Bias Current
IIB
4.4
Input Bias Current Change
–7.5 Vdc VI – 25 Vdc
5.0 mA IO 1.0 A
5.0 mA IO 1.5 A, TJ = +25°C
IIB
Output Noise Voltage (TA = +25°C, 10 Hz f 100 kHz)
Vn
40
Ripple Rejection (IO = mA, f = 120 Hz)
RR
70
Dropout Voltage
IO = 1.0 A. TJ = +25°C
VI–VO
2.0
Average Temperature Coefficient of Output Voltage
IO = 5.0 A, 0°C TJ +125°C
VO/T
–1.0
Max
– 5.1
25
50
50
50
100
50
100
– 5.20
8.0
1.3
0.5
0.5
Unit
Vdc
mV
mV
Vdc
mA
mA
µV
dB
Vdc
mV/°C
MC7905.2C
ELECTRICAL CHARACTERISTICS (VI = –10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
VO
– 5.0
– 5.2 – 5.4
Vdc
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
–7.2 Vdc VI – 25 Vdc
– 8.0 Vdc VI –12 Vdc
(TJ = +25°C, IO = 500 mA)
–7.2 Vdc VI – 25 Vdc
– 8.0 Vdc VI –12 Vdc
Load Regulation, TJ = +25°C (Note 1)
5.0 mA IO 1.5 A
250 mA IO 750 mA
Regline
Regload
mV
8.0
52
2.2
27
37
105
8.5
52
mV
12
105
4.5
52
Output Voltage
–7.2 Vdc VI – 20 Vdc, 5.0 mA IO 1.0 A, P 15 W
VO
Vdc
– 4.95
– 5.45
Input Bias Current (TJ = +25°C)
Input Bias Current Change
–7.2 Vdc VI – 25 Vdc
5.0 mA IO 1.5 A
IIB
4.3
8.0
mA
IIB
mA
1.3
0.5
Output Noise Voltage (TA = +25°C, 10 Hz f 100 kHz)
Vn
42
µV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
68
dB
Dropout Voltage
IO = 1.0 A, TJ = +25°C
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
3
 

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