CAT3604 Series 30 mA 4-Channel Regulated Charge Pump White LED Driver - TQFN-16
Mfr Part#: CAT3604VHV4-GT2 Mounting Method: Surface Mount Package Style: TQFN-16 Packaging: REEL Std Packaging Qty: 2,000
The CAT3604V is a 4-Channel Quad-Mode LED Driver with Open/Short LED Detection.
The CAT3604V is a high efficiency Quad−Mode® fractional charge pump that can drive up to four LEDs with input supply voltages as low as 2.5 V. 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. The EN input control supports direct PWM dimming and can accommodate dimming frequencies in excess of 10 kHz thereby providing extremely high resolution brightness levels. The device is available in the 16−pad low profile 0.8 mm thin QFN(4 mm x 4 mm).
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