
联系方式:陈先生:0755-83724903
13590361743 ,QQ:2355827364
542360526
OB2201/T |
Quasi Resonant
PWM Controller |
OB2201 is a QR PWM Controller
dedicated for 20W~65W power range offline applications. Reduced switching
loss and improved EMI performance are achieved through QR control. The
optimized loading/ frequency adaptive design will benefit average efficiency
and help to meet EPS2.0 requirement. Features: ◆ Up to 90%
full load efficiency ◆ Programmable soft start ◆ High
precision output OVP ◆ IC VDD OVP ◆ Multi-mode
QR control ◆ Optimized
over power protection (OPP) ◆ Upper
frequency clamp at 90KHz ◆ QR mode 52kHz lower
frequency clamping ◆ 600mA gate
drive capability ◆ Built-in over
temperature protection ◆ Selectable
built-in Latch shutdown for strong system reliability ◆ Available
in DIP8 and SOP8 packages,RoHS compliant Applications: ◆ EPC Adapter ◆ DLP
Projector/RPD Power ◆ DVD/STB
Player Power ◆ Home
Appliance Power
Typical Application:
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如需详细技术资料和样片测试,请随时和我联系。
系联方式:陈先生:0755 -
83724903 13590361743,QQ:2355827364 542360526
OB2201 / T
准谐振PWM控制器
OB2201是QR PWM控制器专用20
w ~ 65 w功率范围离线应用程序。 降低开关损耗和提高EMI性能是通过QR控制。优化装载/频率自适应设计将有利于平均效率和帮助来满足EPS2.0要求。
特点:
◆满载效率高达90%
◆可编程软启动
◆OVP高精度输出
◆IC VDD OVP
◆多模QR控制
◆优化了电源保护(OPP)
◆上频率夹在90千赫
◆52赫兹低频QR方式夹紧
◆600毫安的栅极驱动能力
◆内置超温保护
◆可选的内置锁关闭,系统可靠性强
◆可在DIP8和SOP8包,通过无铅认证
应用程序:
◆EPC适配器
◆DLP投影机/ RPD操作功率
◆DVD /机顶盒播放器功率
◆家电功率