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       array technology limited >> CHIPLEAD >> Automotive Lighting IC>>

Product Name:VAS1260Q
VAS1260Q
  ID: 0003
  Brand: CHIPLEAD
  Specification:

Description

  The VAS1260Q is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 5V and 60V, and provides an externally adjustable output current of up to 1.2A.

  The VAS1260Q includes the output switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. Output current can be adjusted below the set value, by applying an external control signal to the 'ADJ' pin.

  The device operates over the -40¡ãC to +125¡ãC temperature range and is available in SOT89-5 package.

Application

  • Automotive LED Lighting

Features

  • AEC-Q100 Qualified with the following items:
    • Device HBM ESD Class Level 2
    • Device CDM ESD Class Level C5
    • Device Latch-Up Class Level ¢òA
    • HTOL Grade Level 1
    • PTC Grade Level 0: -40 ~150¡æ, Toggle Power on/off Every 5 minutes, 1000 cycles
  • PWM dimming
  • Wide input voltage range: 5V to 60V
  • Over Temperature protection
  • Up to 1MHz switching frequency
  • Inherent open-circuit LED protection
  • Typical 5% output current accuracy
 

 

 
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