Semtech SC614

功能

• Four independent current sinks for main backlight, adjustable from 0.4mA to 32mA each
• Dedicated MDIM pin for PWM dimming of main backlight
• Three independent current sinks for sub-backlight or flash, adjustable from 0.4mA to 102mA each
• Configurable sub-backlight or flash sinks
• Dedicated SDIM pin for PWM dimming of subbacklight
• Dedicated FL pin for flash control
• Current accuracy to within ±1.5% down to 4.8mA
• Current matching to within ±0.5% down to 4.8mA
• Very high efficiency over 90% of battery life
• Shutdown current 0.1μA (typ)
• Three charge pump operating modes: 1x, 1.5x, and 2x
• I²C serial interface
• Soft-start/in-rush current limiting
• 1.33MHz and 250kHz programmable fixed frequency options
• Short-circuit/thermal protection
• Output open circuit protection
• MLPQ-24 package (4mm x 4mm), fully WEEE and RoHS compliant

应用

• Cellular phone backlighting and flash
• LCD modules
• PDA backlighting and flash
• RGB LED Driver

封装

MLPQ-24 (4X4 mm)

订购代码

• SC614MLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only