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CAT3604V Datasheet 4-channel Quad-mode Led Driver

Manufacturer: Catalyst Semiconductor

Overview: CAT3604V 4-Channel Quad-Mode™ LED Driver with Open/Short LED Detection www.datasheet4u.

General Description

The CAT3604V is a high efficiency Quad-ModeTM fractional charge pump that can drive up to four LEDs with input supply voltages as low as 2.5V.

An external RSET resistor is used to control the LED channel brightness while channel diagnostics include automatic detection for both short and open LED channel conditions, ensuring the CAT3604V maintains the highest efficiency level in all operating modes.

Each operating mode uses a constant high frequency switching scheme which allows the use of small form factor external ceramic capacitors while delivering excellent low noise input supply ripple up to 5.5 volts.

Key Features

  • Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x Drives up to 4 LEDs at 30mA each Pin compatible with industry standard ‘604 Open/short LED automatic detection Power efficiency up to 92% High resolution PWM dimming Low noise supply ripple in all modes Soft start and current limiting Short circuit and thermal overload protection 16-Pad TQFN package, 4mm x 4mm.

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