DatasheetsPDF.com

AAT3351 Datasheet

Part Number AAT3351
Manufacturers Anadigics
Logo Anadigics
Description High Efficiency 1x/1.5x Charge Pump
Datasheet AAT3351 DatasheetAAT3351 Datasheet (PDF)

PRODUCT DATASHEET www.DataSheet4U.com AAT3351 High Efficiency 1x/1.5x Charge Pump Features • • • • Drives up to 4 LEDs at up to 30mA, each Automatic Switching Between 1x and 1.5x Modes 1MHz Switching Frequency Linear LED Output Current Control ▪ Single-wire, S2Cwire Interface ▪ 32-step ±10% LED Output Current Accuracy 3% LED Output Current Matching Low-Current Shutdown Mode Automatic Soft-Start TSOPJW-12 and TDFN33-12 Packages ChargePumpTM General Description The AAT3351 is a low-noise, consta.

  AAT3351   AAT3351






High Efficiency 1x/1.5x Charge Pump

PRODUCT DATASHEET www.DataSheet4U.com AAT3351 High Efficiency 1x/1.5x Charge Pump Features • • • • Drives up to 4 LEDs at up to 30mA, each Automatic Switching Between 1x and 1.5x Modes 1MHz Switching Frequency Linear LED Output Current Control ▪ Single-wire, S2Cwire Interface ▪ 32-step ±10% LED Output Current Accuracy 3% LED Output Current Matching Low-Current Shutdown Mode Automatic Soft-Start TSOPJW-12 and TDFN33-12 Packages ChargePumpTM General Description The AAT3351 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 to maximize efficiency for white LED applications. AAT3351 is capable of driving 4 white LEDs at a total of 120mA from single 2.7V to 5.5V input. The current sinks may be operated individually or in parallel while driving highercurrent LEDs. A low external parts count (two 1μF flying capacitors and two small 1μF capacitors at VIN and VOUT) makes the AAT3351 ideal for small battery-powered applications. Analogic Tech’s S2Cwire™ serial digital input is used to enable, disable, and set current to one of 32 levels for the LEDs. The AAT3351 is equipped with built-in short-circuit protection. The soft-start circuitry prevents excessive inrush current at start-up and mode transitions. The AAT3351 family is available in Pb-free, space-saving TSOPJW and TDFN33 packages, and operates over the -40°C to +85°C ambient temperature range. • • • • • Applications • • • • • • Cellular and .


2009-06-26 : ADP3110    ADP3110A    2SD1382    2SD1382    ADP3120A    ADP3121    ADP3182    LTY87S    S-8209B    S-8201   


@ 2014 :: Datasheetspdf.com ::
Semiconductors datasheet search & download site (Privacy Policy & Contact)