ob3396 ob3396ap一级昂宝ob代理,只做真芯dip假一赔百,量大可另行商榷
ob3394/ob3396离线高精度初级侧pwm电源开关的详细描述:
ob3394/ob3396highprecision off-line primary-side pwm power switch
ob3394 is a primary side regulation off-line led lightingcontrollerwhich can achieve accurate led current. it significantlysimplifiesled lighting system design by eliminating the secondarysidefeedback circuitry.
features:
◆ high precise constant current regulation at universalacinput
◆ primary-side sensing and regulation without tl431andopto-coupler
◆ programmable cc regulation
◆ adjustable constant current and output power setting
◆ built-in secondary constant current control with primarysidefeedback
◆ built-in adaptive current peak regulation
◆ built-in primary winding inductance compensation
◆ power on soft-start
◆ cycle-by-cycle current limiting
◆ built-in leading edge blanking (leb)
◆ vdd under voltage lockout with hysteresis (uvlo)
◆ vdd ovp
◆ vdd clamp
◆ available in dip8 packages, rohs compliant
applications:
low power ac/dc offline smps for
◆ led applications
ob3394/ ob3396离线高精度初级侧pwm电源开关
ob3394是一个初级端调节离线led照明控制器,可以实现准确的led电流。显著简化了led照明系统设计,消除次级侧反馈电路。
产品特点:
◆高精度恒流调节在通用ac输入
◆原边感应和调节,而无需tl431和光电耦合器
◆cc条例可编程
◆可调恒流输出电源设置
◆内置的二次恒定电流控制与初级反馈
◆内置的自适应电流调峰
◆内置原边绕组电感补偿
◆电源软启动
◆逐周期电流限制
◆内置前沿消隐(leb)
◆vdd与滞后欠压锁定(uvlo)
◆vdd ovp
◆vdd钳
◆可提供dip8封装,符合rohs标准
应用范围:
低功率ac/dc离线smps
◆led应用
深圳市华钻电子科技有限公司
胡雪丽
13691973786
深圳市福田区振华路163号高科德电子市场62870