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LT1241 数据表 (PDF) - Linear Integrated Systems

LT1241 Datasheet PDF - Linear Integrated Systems
部件名 LT1241
下载  LT1241 下载

文件大小   273.01 Kbytes
  16 Pages
制造商  LINEAR [Linear Integrated Systems]
网页  http://www.linearsystems.com
标志 LINEAR - Linear Integrated Systems
功能描述 High Speed Current Mode Pulse Width Modulators

LT1241 Datasheet (PDF)

Go To PDF Page 下载 数据表
LT1241 Datasheet PDF - Linear Integrated Systems

部件名 LT1241
下载  LT1241 Click to download

文件大小   273.01 Kbytes
  16 Pages
制造商  LINEAR [Linear Integrated Systems]
网页  http://www.linearsystems.com
标志 LINEAR - Linear Integrated Systems
功能描述 High Speed Current Mode Pulse Width Modulators

LT1241 数据表 (HTML) - Linear Integrated Systems

Back Button LT1241 Datasheet HTML 1Page - Linear Integrated Systems LT1241 Datasheet HTML 2Page - Linear Integrated Systems LT1241 Datasheet HTML 3Page - Linear Integrated Systems LT1241 Datasheet HTML 4Page - Linear Integrated Systems LT1241 Datasheet HTML 5Page - Linear Integrated Systems LT1241 Datasheet HTML 6Page - Linear Integrated Systems LT1241 Datasheet HTML 7Page - Linear Integrated Systems LT1241 Datasheet HTML 8Page - Linear Integrated Systems LT1241 Datasheet HTML 9Page - Linear Integrated Systems LT1241 Datasheet HTML 10Page - Linear Integrated Systems Next Button 

LT1241 产品详情

DESCRIPTION
The LT®1241 series devices are 8-pin, fixed frequency, current mode, pulse width modulators. They are improved plug compatible versions of the industry standard UC1842 series. These devices have both improved speed and lower quiescent current. The LT1241 series is optimized for off-line and DC/DC converter applications. They contain a temperature-compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output stage ideally suited to driving power MOSFETs. Start-up current has been reduced to less than 250µA.

FEATURES
■ Low Start-Up Current: < 250µA
■ 50ns Current Sense Delay
■ Current Mode Operation: To 500kHz
■ Pin Compatible with UC1842 Series
■ Undervoltage Lockout with Hysteresis
■ No Cross-Conduction Current
■ Trimmed Bandgap Reference
■ 1A Totem Pole Output
■ Trimmed Oscillator Frequency and Sink Current
■ Active Pull-Down on Reference and Output During Undervoltage Lockout
■ High Level Output Clamp: 18V
■ Current Sense Leading Edge Blanking

APPLICATIONS
■ Off-Line Converters
■ DC/DC Converters




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