GM3845A中文资料PDF规格书
GM3845A规格书详情
Description
GM384XA series is high performance with fixed frequency current mode PWM controllers. They are specially designed for off-Line and DC-to-DC converter applications with minimum external components. These devices feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem pole output which is suitable for driving MOSFETs.
The under voltage lock-out (U.V.L.O.) is designed to operated with 0.17mA typ. start-up current, allowing an efficient bootstrap supply voltage design. The U.V.L.O. thresholds for the AMC3842A/44A are 16V (on) and 10V (off) which are ideal for off-line applications. The corresponding typical threshold for the GM3843A/45A is 8.4V (on) and 7.6V (off). The GM3842A/43A can operated within 100 duty cycle and the GM3844A/45A can operated within 50 duty cycle.
Features
♦ Low Start-Up and Operating Current
♦ Automatic Feed Forward Compensation
♦ Current Mode Operating Frequency up to 500KHz
♦ Trimmed Oscillator Discharge Current for Precise Duty Cycle Control
♦ Latching PWM for Cycle-By-Cycle Current Limiting
♦ Under Voltage Lockout with Hysteresis
♦ High Current totem Pole Output Stage
Application
Off-line flyback or forward converters
DC-to DC buck boost converter
Monitor Power Supply
产品属性
- 型号:
GM3845A
- 制造商:
GAMMA
- 制造商全称:
GAMMA
- 功能描述:
CURRENT MODE PWM CONTROLLER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
GAMMA ELECTRONICS |
2023+ |
SMD |
2265 |
安罗世纪电子只做原装正品货 |
询价 | ||
GAMMA |
23+ |
SOP-8 |
8890 |
价格优势/原装现货/客户至上/欢迎广大客户来电查询 |
询价 | ||
GAMMA |
04+ |
SOP8 |
2500 |
原装现货支持BOM配单服务 |
询价 | ||
GAMMA |
21+ |
SOP8 |
2500 |
原装现货假一赔十 |
询价 | ||
GAMMA |
2022 |
DIP-8 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
GAMMA |
23+ |
NA/ |
4390 |
原装现货,当天可交货,原型号开票 |
询价 | ||
GAMMA |
21+ |
SOP8 |
20000 |
原厂订货价格优势,可开13%的增值税票 |
询价 | ||
GAMMA |
22+ |
SOP-8 |
9800 |
只做原装正品假一赔十!正规渠道订货! |
询价 | ||
GAMMA |
2023+ |
SOP8 |
5800 |
进口原装,现货热卖 |
询价 | ||
GAMMA |
04+ |
SOP8 |
2500 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 |