Hi-Power Controller

ac dc controller

Leadtrend is committed to the vision of "Green your power, green the world", and provides high-performance and high-quality AC-DC application solutions with innovative technologies. High-power application products include power factor correction, integrated PFC+QR flyback controller, and LLC resonant controller which have different designs to meet various power supply design requirements.

Transition Mode PFC Controller

Part No. Start-Up (µA) UVLO ON (V) UVLO OFF (V) Driving Cap. (mA) Switching Freq.(KHz) Protection LEB (ns) Package Application
OVP OLP BNO OTP
LD7593AA/AB 1 16.0 8.5 700 Variable Auto - - Inter.(Auto) 350 SOT-26 TV, Monitor

PFC with QR Controller

Part No. HV Current Source for VCC Startup (mA) UVLO OFF (V) Driving Cap. (mA) Switching Freq.(KHz) Protection LEB (ns) Package Application
OCP OVP OLP Ext OTP BNO
LD7791C 3.0 8.0 500/-1200 250/85 Auto Latch Auto Auto Yes 250/350 SOP-16 TV, Monitor,Adaptor
LD7792E 3.0 8.0 500/-1200 350/100 Auto Auto Auto Latch Yes 250/350 SOP-16 TV, Monitor,Adaptor

Transition Mode PFC Controller

Part No. Start-Up (µA) UVLO ON (V) UVLO OFF (V) Driving Cap. (mA) Switching Freq.(KHz) Protection LEB (ns) Package Application
OVP OLP BNO OTP
LD7593AA/AB 1 16.0 8.5 700 Variable Auto - - Inter.(Auto) 350 SOT-26 TV, Monitor
LD7681 1 12.0 8.5 700 Variable Auto - - Inter.(Auto) 350 SOP-8 TV, Monitor

PFC with QR Controller

Part No. HV Current Source for VCC Startup (mA) UVLO OFF (V) Driving Cap. (mA) Switching Freq.(KHz) Protection LEB (ns) Package Application
OCP OVP OLP Ext OTP BNO
LD7792E 3.0 8.0 500/-1200 350/100 Auto Auto Auto Latch Yes 250/350 SOP-16 TV, Monitor,Adaptor

Asymmetric Half Bridge LLC Controller

Part No. Power Switch UVLO On/Off (V) Control Topology Protection Power(W) Operating Max Frequency (kHz) Operating Green Mode Frequency (kHz) Operating Min Frequency (kHz) Package Application
Bulk OVP VCC OVP FB OVP FB Open/Short
LD7781 25 / 13.4 AHB LLC 200 - Auto Latch Auto 108~200 200 - 60 SOP-16 TV, Monitor
標題 PDF下載 相關產品
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250W PFC with 5V/2A standby power

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LD7792 PFC/PWM集成控制器的應用

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