絲印：UC3842；Package：SOIC(D)；UCx84x Current-Mode PWM Controllers

1 Features ? Optimized for off-line and DC-to-DC converters ? Low start-up current (

文件：4.0844 Mbytes 頁數(shù)：63 Pages

TI

德州儀器

絲?。?strong>UC3842；Package：SOIC(D)；UCx84x Current-Mode PWM Controllers

1 Features ? Optimized for off-line and DC-to-DC converters ? Low start-up current (

文件：4.0844 Mbytes 頁數(shù)：63 Pages

TI

德州儀器

絲?。?strong>UC3842；Package：SOIC(D)；UCx84x Current-Mode PWM Controllers

1 Features ? Optimized for off-line and DC-to-DC converters ? Low start-up current (

文件：4.0844 Mbytes 頁數(shù)：63 Pages

TI

德州儀器

具有 16V/10V UVLO 和 100% 占空比、溫度范圍為 0°C 至 70°C 的單端 500KHz 電流模式 PWM 控制器

The UCx84x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. The internally implemented circuits include an undervoltage lockout (UVLO), featuring ? Optimized for off-line and DC-to-DC converters\n? Low start-up current (;

TI

德州儀器

Current-mode PWM controller

DESCRIPTION\nThe UC3842 is available in an 8-Pin mini-DIP the necessary features to implement off-line, fixed-frequency current-mode control schemes with a minimal external parts count. This technique results in improved line regulation, enhanced load response characteristics, and a simpler, easier ? Low start-up current (≤1mA)\n? Automatic feed-forward compensation\n? Pulse-by-pulse current limiting\n? Enhanced load response characteristics\n? Undervoltage lock-out with hysteresis\n? Double pulse suppression\n? High current totem-pole output\n? Internally-trimmed bandgap reference\n? 400kHz o;

恩XP

開關(guān)電源

GMIC

綠微

Low Start-Up and Operating Current

Description The 3842/43/44/45 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 control, a temperat

文件：881.38 Kbytes 頁數(shù)：7 Pages

UMW

友臺半導(dǎo)體

CURRENT MODE PWM CONTROL CIRCUITS

DESCRIPTION The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode , controlled switching circuits with a minimal external part count FEATURES * Low external part count. * Low start up current ( Typical 0.12mA ) * Automatic feed fo

文件：114.45 Kbytes 頁數(shù)：7 Pages

UTC

友順

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

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