描述脈沖寬度調(diào)制解調(diào)器 電流型脈寬調(diào)制器

Descriptions The UC3843 is a fixed frequency current mode PWM controllers, It is specifically designed for OffLine and DCDC converter applications. This integrated circuits feature a temperature compensated reference, high gairerror amplifier, current sense comparator, and a high Push

文件：6.19137 Mbytes 頁數(shù)：20 Pages

XBLW

芯伯樂

PDF上傳者：深圳市博偉奇電子有限公司

Current Mode PWM Controller Low Start-Up and Operating Current

DESCRIPTION The UC3842A-BW/43A-BW/44A-BW/45A-BW are fixed frequency current mode PWM controller. They are specially designed for OFF?Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle con

文件：2.09745 Mbytes 頁數(shù)：10 Pages

FCI

富加宜

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off–line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillat

文件：399.67 Kbytes 頁數(shù)：14 Pages

MOTOROLA

摩托羅拉

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

文件：227.95 Kbytes 頁數(shù)：8 Pages

MICROSEMI

美高森美

SMPS Controller

Description The UC3842A/UC3843A are fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem-pole output

文件：42.49 Kbytes 頁數(shù)：8 Pages

FAIRCHILD

仙童半導(dǎo)體

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off?line and DC?to?DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillat

文件：399.67 Kbytes 頁數(shù)：14 Pages

ONSEMI

安森美半導(dǎo)體

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

文件：167.48 Kbytes 頁數(shù)：16 Pages

STMICROELECTRONICS

意法半導(dǎo)體

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage

文件：129.229 Kbytes 頁數(shù)：15 Pages

STMICROELECTRONICS

意法半導(dǎo)體

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

1 FEATURES ■ TRIMMED OSCILLATOR DISCHARGE CURRENT ■ CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION ■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING ■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT ■ HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH

文件：174.33 Kbytes 頁數(shù)：16 Pages

STMICROELECTRONICS

意法半導(dǎo)體

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

文件：227.95 Kbytes 頁數(shù)：8 Pages

MICROSEMI

美高森美