2–String, Step-up White LED Driver,EUP2589 Replace MP3389.
FEATURES

3μA shutdown current 

12 strings in parallel and up to 18 LEDs per 

  string 

External PWM or DC Voltage Dimming 

  Control 

Output voltage up to 65V 

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 28pin TSSOP28 Package 

RoHS Compliant and 100% Lead (Pb)-Free 

  Halogen-Free

PIN CONFIGUTION
优势替代
MP3389 MP3389.pdf

No.11779

FEATURES

? High Efficiency and Small Size

? 5V to 28V Input Voltage Range

? Balanced Driver for 12 Strings of WLEDs

? Maximum 60mA for Each String

? 2.5% Current Matching Accuracy Between

  Strings

? Programmable Switching Frequency

? PWM or DC Input Burst PWM Dimming

? Open and Short LED protection

? Programmable Over-voltage Protection

? Under Voltage Lockout

? Thermal Shutdown

? 28-pin TSSOP and 28-pin SOIC Package










PIN CONFIGUTION
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