CL1112 12W恒压-恒流LED电源驱动器CL1112 12W恒压-恒流LED电源驱动器.pdf

CL1112 12W High Precision CC/CV Primary-Side PWM Driver FEATURES APPLICATIONS ◆ 5% Constant Voltage Regulation, below 12W AC/DC offline SMPS for 5%Constant Current Regulation at ◆ Cell Phone Charger Universal AC input ◆ Digital Cameras Charger ◆ Primary-side Sensing and Regulation ◆ Small Power Adapter Without TL431 and Opto-coupler ◆ Auxiliary Power for PC, TV etc. ◆ Low Start-up Current: 5μA (Typical) ◆ Linear Regulator/RCC Replacement ◆ Low Operating Current: 2mA (Typical) ◆ Programmable CV and CC Regulation ◆ Adjustable Constant Current and Output CL1112 is offered in SOP-8 and DIP-8 Power Setting package. ◆ Built-in Secondary Constant Current Control with Primary Side Feedback ◆ Peak-Current-Mode Control ◆ Compensates for transformer inductance tolerances ◆ Compensates for cable voltage drop ◆ Fixed PWM Frequency at 60kHz with Frequency Hopping to Solve EMI Problems ◆ Power on Soft-start ◆ Built-in Leading Edge Blanking (LEB) ◆ Cycle-by-Cycle Current Limiting ◆ VDD Under-Voltage lockout (UVLO) ◆ VDD Over-Voltage Protection(OVP) TYPICAL APPLICATIONS Pin Configuration The pin map is shown as below for SOP8/DIP8 地址：深圳市宝安西乡大道万俊汇商务大厦 网址： PAGE: 1