L4812 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
L4812 Datasheet PDF : 7 Pages
| |||
L4805-L4808-L4885-L4892-L4810-L4812
ELECTRICAL CHARACTERISTICS (VI = 14.4V; CO = 100µF; Tj = 25°C unless otherwise specified.)
Symbol
VO
Parameter
Output Voltage
VI
∆VO/VO
∆VO/VO
VI - VO
Operating Input Voltage
Line Regulation
Load Regulation
Dropout Voltage
Iq
Quiescent Current
∆VO
∆T•VO
SVR
IO
ISC
Temperature Output Voltage
Drift
Supply Voltage Rejection
Max Output Current
Output Short Circuit Current
(fold back condition)
T est Con di tio n
IO = 5mA to 400mA (L4805)
IO = 5mA to 400mA (L4808)
IO = 5mA to 400mA (L4810)
IO = 5mA to 400mA (L4812)
IO = 5mA to 400mA (L4885)
IO = 300mA (L4892)
VI = 13 to 26V; IO = 5mA
IO = 5 to 400mA*
IO = 400mA*
IO = 150mA
IO = 0mA
IO = 150mA
IO = 400mA*
IO = 350mA; f = 320Hz;
CO = 100µF; VI = VO +3V+2Vpp
Min.
4.80
7.68
8.16
8.83
9.60
11.50
Typ.
5.00
8.00
8.50
9.20
10.00
12.00
1
3
0.4
0.2
0.8
25
65
0.1
60
800
350
Max.
5.20
8.32
8.84
9.57
10.40
12.50
26
10
15
0.7
0.4
2
45
90
500
Unit
V
V
V
V
V
V
V
mV/V
mV/V
V
V
mA
mA
mA
mV
°C•V
dB
mA
mA
* only for L4892 the current test conditions is IO = 300mA
ELECTRICAL CHARACTERISTICS (VI = 14.4V; CO = 100µF; Tj = -40 to 125°C (note 1) unless
otherwise specified.)
Symbol
VO
Parameter
Output Voltage
VI
∆VO/VO
∆VO/VO
VI - VO
Operating Input Voltage
Line Regulation
Load Regulation
Dropout Voltage
Iq
Quiescent Current
IO
Max Output Current
ISC
Output Short Circuit Current
(fold back condition)
T est Con di tio n
IO = 5mA to 400mA (L4805)
IO = 5mA to 400mA (L4808)
IO = 5mA to 400mA (L4810)
IO = 5mA to 400mA (L4812)
IO = 5mA to 400mA (L4885)
IO = 300mA (L4892)
see note 2
VI = 14 to 26V; IO = 5mA
IO = 5 to 400mA*
IO = 400mA*
IO = 150mA
IO = 0mA
IO = 150mA
IO = 400mA*
Min.
4.70
7.50
8.00
8.65
9.40
11.30
Typ.
5.00
8.00
8.50
9.20
10.00
12.00
2
5
0.5
0.25
1.2
40
80
870
230
Max.
5.30
8.50
9.00
9.75
10.60
12.70
26
15
25
0.9
0.5
3
70
140
Unit
V
V
V
V
V
V
V
mV/V
mV/V
V
V
mA
mA
mA
mA
mA
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.
3/7
Share Link: 