UC3844T中文资料PDF规格书
UC3844T规格书详情
DESCRIPTION
The UC384XT 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 imple mented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lock out featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable
for driving N-Channel MOSFETs, is low in the off state.
. TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
. OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
. 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 HYSTERESIS
. LOW START-UP AND OPERATING CURRENT
产品属性
- 型号:
UC3844T
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST |
DIP |
36900 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
ON/UTC |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
FAIRCHILD/仙童 |
23+ |
DIP-8 |
30000 |
房间原装现货特价热卖,有单详谈 |
询价 | ||
2022 |
300 |
原厂原装正品,价格超越代理 |
询价 | ||||
ST |
23+ |
SO-14 |
12335 |
询价 | |||
ON |
23+ |
原厂原装 |
6800 |
原装无铅,现货库存 |
询价 | ||
ST |
23+ |
DIP |
16900 |
正规渠道,只有原装! |
询价 | ||
ST |
5000 |
自己现货 |
询价 | ||||
ON |
17+ |
6200 |
100%原装正品现货 |
询价 | |||
TI |
22+ |
NA |
500000 |
万三科技,秉承原装,购芯无忧 |
询价 |