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CAT3604V Datasheet PDF

Catalyst Semiconductor CAT3604V

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. 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. The EN input control supports direct PWM dimming and can accommodate dimming frequencies in excess of 10kHz thereby providing extremely high resolution brightness levels.
Part No. CAT3604V
Datasheet CAT3604V Download
Manufacturer
Catalyst Semiconductor
Description 4-Channel Quad-Mode LED Driver
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CAT3604V datasheet page 1 preview

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

DESCRIPTION

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. The device is available in the 16-pad low profile 0.8mm thin QFN (4mm x 4mm). APPLICATION „ „ „ „ LCD Display Backlight Cellular Phones Digital Still Cameras Handheld Devices ORDERING INFORMATION Part Number Package Qty per Reel Marking 2000 2000 CDAK CDAF (1) CAT3604VHV4-GT2 TQFN-16 4 x 4mm TQFN-16 CAT3604VHV4-T2 4 x 4mm Note: (1) NiPdAu Plated Finish, RoHS compliant For other finishes, please contact factory For Ordering Information details, see page 14.
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