4 Strings High Current White LED Driver with Boost Controller, EUP2998 Replace SY7728F.
FEATURES

• 8.5V gate driver

• 4 strings in parallel and up to 25 LEDs per

  string

• Up to 240mA drive capability for each string

• Supports both Analog and Direct PWM Dimming

• Built in convert for converting external PWM

  signal to analog dimming signal

• Output voltage up to 90V

• Boost Switching frequency can be programmed

  by external resistor

• Wide Input voltage range 8V to 35V

• Better than 1.5% LED Current Regulation

  Accuracy Between Strings

• Multiple Fault Protections

  -Current Limit protection

  -Output Short circuit detection

  -Over-temperature protection

  -Output Over-voltage protection

• LED current turn off in shutdown mode

• Support multiple-IC parallel operation

• Thermal Enhanced TSSOP-16L and SOP-16

  Packages

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

  Halogen-Free

PIN CONFIGUTION
优势替代
SY7728F SY7728F.pdf

No.11780

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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