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LD7890GS Datasheet(PDF) 5 Page - Leadtrend Technology |
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LD7890GS Datasheet(HTML) 5 Page - Leadtrend Technology |
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5 / 16 page  LD7890 5 Leadtrend Technology Corporation www.leadtrend.com.tw LD7890-DS-01 November, 2013 Block Diagram LED Voltage Detector GM Σ COMP S R Q Oscillator 0.2V SCP Logic GDRV Current Limit 0.5V LDO Reference Internal Reference 2.5V OVP LED Short LED Open 0.2V LED SP Protection Logic 4 4 4 LEB OVP STATUS OR DRV RT CS FB1 VIN GND COMP Gate1 SENSE1 Vref FB2 Gate2 SENSE2 FB3 Gate3 SENSE3 FB4 Gate4 SENSE4 DIM PARL PWM PWM PWM PWM EN EN Vref Vref Vref LOSC PWM VSET |
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