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L4812 Datasheet(PDF) 3 Page - STMicroelectronics

Part # L4812
Description  VERY LOWDROP VOLTAGE REGULATORS
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4812 Datasheet(HTML) 3 Page - STMicroelectronics

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Notes :
1. This limits are guaranteed by design, correlation and statistical control on production samples over the indicated temperature and
supply voltage ranges..
2. For a DC voltage 26V < Vi < 35V the device is not operating.
ELECTRICAL CHARACTERISTICS (VI = 14.4V; CO = 100
µF; Tj =25°C unless otherwise specified.)
Symbol
Parameter
T est Con di tio n
Min.
Typ.
Max.
Uni t
VO
Output Voltage
IO = 5mA to 400mA (L4805)
4.80
5.00
5.20
V
IO = 5mA to 400mA (L4808)
7.68
8.00
8.32
V
IO = 5mA to 400mA (L4810)
8.16
8.50
8.84
V
IO = 5mA to 400mA (L4812)
8.83
9.20
9.57
V
IO = 5mA to 400mA (L4885)
9.60
10.00
10.40
V
IO = 300mA (L4892)
11.50
12.00
12.50
V
VI
Operating Input Voltage
26
V
∆VO/VO
Line Regulation
VI = 13 to 26V; IO = 5mA
1
10
mV/V
∆VO/VO
Load Regulation
IO = 5 to 400mA*
3
15
mV/V
VI -VO
Dropout Voltage
IO = 400mA*
0.4
0.7
V
IO = 150mA
0.2
0.4
V
Iq
Quiescent Current
IO = 0mA
0.8
2
mA
IO = 150mA
25
45
mA
IO = 400mA*
65
90
mA
∆VO
∆T•VO
Temperature Output Voltage
Drift
0.1
mV
°C•V
SVR
Supply Voltage Rejection
IO = 350mA; f = 320Hz;
CO =100
µF; VI =VO +3V+2Vpp
60
dB
IO
Max Output Current
800
mA
ISC
Output Short Circuit Current
(fold back condition)
350
500
mA
* only for L4892 the current test conditions is IO = 300mA
ELECTRICAL CHARACTERISTICS (VI = 14.4V; CO = 100
µF; Tj = -40 to 125°C (note 1) unless
otherwise specified.)
Symbol
Parameter
T est Con di tio n
Min.
Typ.
Max.
Uni t
VO
Output Voltage
IO = 5mA to 400mA (L4805)
4.70
5.00
5.30
V
IO = 5mA to 400mA (L4808)
7.50
8.00
8.50
V
IO = 5mA to 400mA (L4810)
8.00
8.50
9.00
V
IO = 5mA to 400mA (L4812)
8.65
9.20
9.75
V
IO = 5mA to 400mA (L4885)
9.40
10.00
10.60
V
IO = 300mA (L4892)
11.30
12.00
12.70
V
VI
Operating Input Voltage
see note 2
26
V
∆VO/VO
Line Regulation
VI = 14 to 26V; IO = 5mA
2
15
mV/V
∆VO/VO
Load Regulation
IO = 5 to 400mA*
5
25
mV/V
VI -VO
Dropout Voltage
IO = 400mA*
0.5
0.9
V
IO = 150mA
0.25
0.5
V
Iq
Quiescent Current
IO = 0mA
1.2
3
mA
IO = 150mA
40
70
mA
IO = 400mA*
80
140
mA
IO
Max Output Current
870
mA
ISC
Output Short Circuit Current
(fold back condition)
230
mA
L4805-L4808-L4885-L4892-L4810-L4812
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