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

X  

LM1771USD 数据表(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM1771USD
功能描述  Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
Download  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM1771USD 数据表(HTML) 1 Page - National Semiconductor (TI)

  LM1771USD Datasheet HTML 1Page - National Semiconductor (TI) LM1771USD Datasheet HTML 2Page - National Semiconductor (TI) LM1771USD Datasheet HTML 3Page - National Semiconductor (TI) LM1771USD Datasheet HTML 4Page - National Semiconductor (TI) LM1771USD Datasheet HTML 5Page - National Semiconductor (TI) LM1771USD Datasheet HTML 6Page - National Semiconductor (TI) LM1771USD Datasheet HTML 7Page - National Semiconductor (TI) LM1771USD Datasheet HTML 8Page - National Semiconductor (TI) LM1771USD Datasheet HTML 9Page - National Semiconductor (TI) Next Button
Zoom Inzoom in Zoom Outzoom out
 1 / 18 page
background image
LM1771
Low-Voltage Synchronous Buck Controller with
Precision Enable and No External Compensation
General Description
The LM1771 is an efficient synchronous buck switching con-
troller with a precision enable requiring no external compen-
sation. The constant on-time control scheme provides a
simple design free of compensation components, allowing
minimal component count and board space. The precision
enable pin allows flexibility in sequencing multiple rails and
setting UVLO. The LM1771 also incorporates a unique input
feed-forward to maintain a constant frequency independent
of the input voltage. The LM1771 is optimized for a low
voltage input range of 2.8V to 5.5V and can provide an
adjustable output as low as 0.8V. Driving an external high
side PFET and low side NFET it can provide efficiencies as
high as 95%.
Three versions of the LM1771 are available depending on
the switching frequency desired for the application. Nominal
switching frequencies are in the range of 100kHz to
1000kHz.
Features
n
Input voltage range of 2.8V to 5.5V
n
0.8V reference voltage
n
Precision enable
n
No compensation required
n
Constant frequency across input range
n
Low quiescent current of 400 µA
n
Internal soft-start
n
Short circuit protection
n
Tiny LLP-6 package and MSOP-8 package
Applications
n
Simple To Design, High Efficiency Step Down Switching
Regulators
n
FPGAs, DSPs, and ASIC Power Supplies
n
Set-Top Boxes
n
Cable Modems
n
Printers
n
Digital Video Recorders
n
Servers
n
Graphic Cards
Typical Application Circuit
20189001
June 2006
© 2006 National Semiconductor Corporation
DS201890
www.national.com


类似零件编号 - LM1771USD

制造商部件名数据表功能描述
logo
National Semiconductor ...
LM1771USD NSC-LM1771USD Datasheet
768Kb / 17P
   Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
logo
Texas Instruments
LM1771USD TI1-LM1771USD Datasheet
1Mb / 31P
[Old version datasheet]   Low-Voltage Synchronous Buck Controller
LM1771USD/NOPB TI1-LM1771USD/NOPB Datasheet
1Mb / 31P
[Old version datasheet]   Low-Voltage Synchronous Buck Controller
logo
National Semiconductor ...
LM1771USDX NSC-LM1771USDX Datasheet
768Kb / 17P
   Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
More results

类似说明 - LM1771USD

制造商部件名数据表功能描述
logo
National Semiconductor ...
LM1771_0608 NSC-LM1771_0608 Datasheet
768Kb / 17P
   Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
logo
Texas Instruments
LM1771 TI-LM1771_15 Datasheet
1Mb / 26P
[Old version datasheet]   LM1771 Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
logo
Renesas Technology Corp
ISL95872 RENESAS-ISL95872 Datasheet
830Kb / 17P
   Buck PWM Controller with Internal Compensation and External Reference Tracking
logo
Intersil Corporation
ISL95873 INTERSIL-ISL95873 Datasheet
533Kb / 17P
   Buck PWM Controller with Internal Compensation and External Reference Tracking
logo
Renesas Technology Corp
ISL95873 RENESAS-ISL95873 Datasheet
835Kb / 17P
   Buck PWM Controller with Internal Compensation and External Reference Tracking
logo
Intersil Corporation
ISL95872 INTERSIL-ISL95872 Datasheet
617Kb / 17P
   Buck PWM Controller with Internal Compensation and External Reference Tracking
January 26, 2012
logo
Microchip Technology
MIC24053 MICROCHIP-MIC24053 Datasheet
544Kb / 32P
   No External Compensation
11/07/16
MIC24051 MICROCHIP-MIC24051 Datasheet
1Mb / 34P
   No External Compensation
11/07/16
logo
Texas Instruments
LM2744 TI1-LM2744 Datasheet
1Mb / 32P
[Old version datasheet]   Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller with External Reference
LM2744 TI-LM2744_15 Datasheet
1Mb / 33P
[Old version datasheet]   Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller with External Reference
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


数据表 下载

Go To PDF Page


链接网址




隐私政策
ALLDATASHEETCN.COM
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   |   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