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All Products > Semiconductors > Power Management ICs > Voltage Regulators - Switching Regulators

Diodes Incorporated High Efficiency 1x/2x Charge Pumps for White LED Applications

Diodes Incorporated High Efficiency 1x/2x Charge Pumps are low noise, constant frequency charge pump DC/DC converters that each use a Dual mode load switch (1x), and (2x) conversion for white LED applications. The AL3158 is capable of driving three groups of three LED channels, and the AL3159 is capable of driving nine LED channels, at 20mA from a 2.7V to 5.5V input. The current sinks may be operated using three simple PWM dimming inputs individually or in parallel for driving higher-current LEDs. Low external part counts (one 1μF flying capacitor and two 2.2μF capacitors at VIN and VOUT) make this part ideally suited for small, battery-powered applications. Diodes Incorporated High Efficiency 1x/2x Charge Pumps are used to enable, disable, and dim the LED channels with fixed default current settings at 20mA or other factory programming options available.


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Diodes Incorporated AL3158FSG-7
Enlarge
621-AL3158FSG-7


To purchase full reel, order in multiples of 3000:
Diodes Incorporated Voltage Regulators - Switching Regulators High EFF 2.7V - 5.5V 3-Ch White LED 20mA Page 453

Data Sheet
5,948
In Stock
Cut Tape
1: $0.88
10: $0.681
100: $0.441
1,000: $0.342
Reel
3,000: $0.289
9,000: View



Min.: 1
Mult.: 1
Reel: 3,000
1.2 MHz 270 mA + 85 C SMD/SMT QFN-20
Diodes Incorporated AL3159FSG-7
Enlarge
621-AL3159FSG-7


To purchase full reel, order in multiples of 3000:
Diodes Incorporated Voltage Regulators - Switching Regulators High EFF 2.7V - 5.5V 9-Ch LED 1.2 Mhz Page 453

Data Sheet
5,694
In Stock
Cut Tape
1: $0.98
10: $0.764
100: $0.495
1,000: $0.384
Reel
3,000: $0.324
9,000: View



Min.: 1
Mult.: 1
Reel: 3,000
1.2 MHz 270 mA + 85 C SMD/SMT QFN-20
Compare up to 20 parts.
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