数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

L4940 数据表(PDF) 5 Page - STMicroelectronics

部件名 L4940
功能描述  VERY LOW DROP 1.5 A REGULATORS
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4940 数据表(HTML) 5 Page - STMicroelectronics

  L4940 Datasheet HTML 1Page - STMicroelectronics L4940 Datasheet HTML 2Page - STMicroelectronics L4940 Datasheet HTML 3Page - STMicroelectronics L4940 Datasheet HTML 4Page - STMicroelectronics L4940 Datasheet HTML 5Page - STMicroelectronics L4940 Datasheet HTML 6Page - STMicroelectronics L4940 Datasheet HTML 7Page - STMicroelectronics L4940 Datasheet HTML 8Page - STMicroelectronics L4940 Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 13 page
background image
ELECTRICAL CHARACTERISTICS FOR L4940V10 (refer to the test circuits, Tj =25
oC,
Vi = 12V, Ci = 0.1
µF, Co =22 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Io = 500 mA
9.8
10
10.2
V
Vo
Output Voltage
Io = 5 mA to 1500 mA
Vi = 11.7 to 16 V
9.6
10
10.4
V
Vi
Operating Input Voltage
Io = 5 mA
17
V
∆Vo
Line Regulation
Io = 5 mA
Vi = 11to 17V
3
8
mV
∆Vo
Load Regulation
Io = 5 to 1500 mA
Io = 500 to 1000 mA
15
10
35
20
mV
IQ
Quiescent Current
Io =5 mA
Io = 1.5 A Vi = 11.7 V
4
30
8
50
mA
∆IQ
Quiescent Current Change
Io =5 mA
Io = 1.5 A Vi = 11.7 to 16 V
2
13
mA
∆Vo
∆T
Output Voltage Drift
1
mV/
oC
SVR
Supply Voltage Rejection
Io = 1 A
f = 120 Hz
56
62
dB
Vd
Dropout Voltage
Io = 0.5 A
Io = 1.5 A
200
500
400
900
mV
Isc
Short Circuit Current
Vi =14 V
Vi = 11.7 V
2
2.2
2.7
2.9
A
A
ELECTRICAL CHARACTERISTICS FOR L4940V12 (refer to the test circuits, Tj =25
oC,
Vi = 14V, Ci = 0.1
µF, Co =22 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Io = 500 mA
11.75
12
12.25
V
Vo
Output Voltage
Io = 5 mA to 1500 mA
Vi = 13.8 to 17 V
11.5
12
12.5
V
Vi
Operating Input Voltage
Io = 5 mA
17
V
∆Vo
Line Regulation
Io = 5 mA
Vi = 13to 17V
3
7
mV
∆Vo
Load Regulation
Io = 5 to 1500 mA
Io = 500 to 1000 mA
15
10
35
25
mV
IQ
Quiescent Current
Io =5 mA
Io = 1.5 A Vi = 13.8 V
4
30
8
50
mA
∆IQ
Quiescent Current Change
Io =5 mA
Io = 1.5 A Vi = 13.8 to 16 V
1.5
10
mA
∆Vo
∆T
Output Voltage Drift
1.2
mV/
oC
SVR
Supply Voltage Rejection
Io = 1 A
f = 120 Hz
55
61
dB
Vd
Dropout Voltage
Io = 0.5 A
Io = 1.5 A
200
500
400
900
mV
Isc
Short Circuit Current
Vi =14 V
2
2.7
A
Zo
Output Impedance
f = 1KHz
Io = 0.5A
40
m
Ω
L4940 series
5/13



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com