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VAS1220 - 15A Synchronous Buck LED Driver

Description

Application The VAS1220 is a constant current synchronous RGBW Stage lamp step-down controller for accurately regulating Other high current applications KONGSON output current up to 15A; VAS1220 adopts a 50mV low voltage sense topology to minimize system power dissipation and provides an excelle

Features

  • Up to 15A output current, External NMOS Wide supply range from 7V to 60V Up to 97% efficiency 50mV Sense Voltage Excellent PWM dimming, 100000:1 ±5% LED Current Accuracy -40°C to+85°C Operating Temperature Range Ordering Information Order Number VAS1220IM14E I: Industry, -40~85℃ 14 : Pin Number Package Type Temp. Range TSSOP-14 -40 °C to 85°C M: TSSOP E: ROHS Pin Configuration TSSOP-14 VIN 1 PWM 2 GND 3 GND 4 GND 5 BLD 6 LED 7 14 DRVH 13 SW 12 VP 11 DRVL 10 PGND 9.

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Datasheet Details

Part number VAS1220
Manufacturer ChipLead
File Size 786.02 KB
Description 15A Synchronous Buck LED Driver
Datasheet download datasheet VAS1220 Datasheet

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Full PDF Text Transcription

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Technology preliminary VAS1220 15A Synchronous Buck LED Driver General Description Application The VAS1220 is a constant current synchronous RGBW Stage lamp step-down controller for accurately regulating Other high current applications KONGSON output current up to 15A; VAS1220 adopts a 50mV low voltage sense topology to minimize system power dissipation and provides an excellent solution for HB-LED drivers. The device operates from a 7V to 60V input range and the average current-mode controller will maintain inductor current regulation over a wide output voltage of up to (VIN-2V). Its novel control algorithm ensures excellent input-supply rejection and fast response during load transients and PWM dimming. The device integrates UVLO and thermal shutdown, and is available in TSSOP14.
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