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AAT3151B Datasheet

Part Number AAT3151B
Manufacturers Skyworks
Logo Skyworks
Description High Efficiency 1X/1.5X Charge Pump
Datasheet AAT3151B DatasheetAAT3151B Datasheet (PDF)

DATA SHEET AAT3151B High Efficiency 1X/1.5X Charge Pump For White LED Applications General Description The AAT3151B is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.5X) charge pump conversion to maximize efficiency for white LED applications. The AAT3151B is capable of driving four white LEDs at a total of 120mA from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher-curren.

  AAT3151B   AAT3151B






Part Number AAT3151
Manufacturers Skyworks
Logo Skyworks
Description High Efficiency 1X/1.5X/2X Charge Pump
Datasheet AAT3151B DatasheetAAT3151 Datasheet (PDF)

DATA SHEET AAT3151 High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications General Description The AAT3151 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3151 is capable of driving four white LEDs at a total of 120mA from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher-cur.

  AAT3151B   AAT3151B







Part Number AAT3151
Manufacturers Advanced Analogic Technologies
Logo Advanced Analogic Technologies
Description High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
Datasheet AAT3151B DatasheetAAT3151 Datasheet (PDF)

www.DataSheet4U.com AAT3151 High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications General Description The AAT3151 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3151 is capable of driving four-channel LEDs at a total of 120mA from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving.

  AAT3151B   AAT3151B







High Efficiency 1X/1.5X Charge Pump

DATA SHEET AAT3151B High Efficiency 1X/1.5X Charge Pump For White LED Applications General Description The AAT3151B is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.5X) charge pump conversion to maximize efficiency for white LED applications. The AAT3151B is capable of driving four white LEDs at a total of 120mA from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher-current LEDs. A low external parts count (two 1µF flying capacitors and two small 1µF capacitors at VIN and VOUT) makes the AAT3151B ideally suited for small battery-powered applications. Skyworks' AS2Cwire™ (Advanced Simple Serial Control™) serial digital input is used to enable, disable, and set current for each LED with a 16-level logarithmic scale plus four low-current settings down to 50µA for optimized efficiency, with a low housekeeping current of only 50µA. The charge pump output of th.


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