UC3845TD中文资料PDF规格书
UC3845TD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:
UC3845TD
- 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/意法 |
22+ |
DIP-8 |
18816 |
询价 | |||
23+ |
DIP16 |
900 |
大批量供应优势库存热卖 |
询价 | |||
XINBOLE/芯伯乐 |
22+21+ |
DIP |
13347 |
16年电子元件现货供应商 终端BOM表可配单提供样品 |
询价 | ||
IC |
1950+ |
980 |
只做原装正品现货!或订货假一赔十! |
询价 | |||
2020+ |
SOP |
5000 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | |||
22+ |
SOP |
7500 |
绝对原装自家现货!真实库存!欢迎来电! |
询价 | |||
TI |
12+ |
SOP16 |
2500 |
原装现货/特价 |
询价 | ||
TI(德州仪器) |
2021+ |
8000 |
原装现货,欢迎询价 |
询价 | |||
TI |
22+ |
DIP16 |
96000 |
原装进口现货假一赔十 |
询价 | ||
FAIRCHILD |
2023+ |
DIP-16 |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 |