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4 Strings High Current White LED Driver with Boost Controller,EUP2588 Replace SY7728.
FEATURES

? 3μA shutdown current 

? 4 strings in parallel and up to 18 LEDs per 

  string 

? External PWM Dimming Control 

? Output voltage up to 65V 

? Up to 180mA Drive Capability for Each String 

? Wide Input voltage range 4.5V to 28V 

? Better than 1.5% LED Current Regulation 

  Accuracy Between Strings 

? Boost Switching frequency can be programmed 

  by external resistor 

?Multiple Fault Protections 

  -Current Limit protection 

  -Output Short circuit detection 

  -Over-temperature protection 

  -Output Over-voltage protection 

? LED current turn off in shutdown mode 

? Integrated UVLO/ Over Thermal protection 

? Minimal 0.5μs LED On-Time regulation 

? Thermal Enhanced 16pin SOP-16 Package 

? RoHS Compliant and 100% Lead (Pb)-Free 

  Halogen-Free

PIN CONFIGUTION
優勢替代
SY7728 SY7728.pdf

No.11677

FEATURES

? 4.5-30V Wide Input Voltage Range

? Programmable 5mA~240mA LED Current per String

? LED Current with +/-3% Accuracy at 100mA per String

? PWM and Analog Mode Dimming: Dimming Frequency: 100Hz~50 kHz 

? +/-1% Current Matching Among Strings at 100mA per String

? Programmable Switching Frequency,100kHz-1MHz 

? Internal Soft-start

? Open and Short LED Protection

? Programmable over-voltage Protection

? RoHS Compliant and Halogen Free

? Compact Package: SOP16E&SOP16











PIN CONFIGUTION
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