Tps61099drvr package wson6 power chip has the lowest price

describe

Tps6124x device is a high-efficiency synchronous boost DC-DC converter, which is optimized for products powered by three core alkaline battery, nickel hydrogen battery or single core lithium ion battery or lithium polymer battery. The tps6124x supports output currents up to 450 ma. The input valley current of tps61240 is limited to 500 mA, and the input valley current of tps61241 is limited to 600 ma.

The input voltage range of the device is 2.3 V to 5.5 V. It supports batteries with extended voltage range. It is an ideal power supply for portable applications such as mobile phones and other portable devices. Tps6124x boost converter is based on quasi constant on-time valley current mode control scheme.

When off, tps6124x presents high impedance at Vout pin. This allows use in applications where the output bus needs to be adjusted to be driven by another power supply when the tps6124x is turned off. During light load, the equipment will automatically pulse stop to achieve maximum efficiency at the lowest quiescent current. In shutdown mode, the current consumption is reduced to 1 μ Below a.

The tps6124x allows the use of small inductors and capacitors to implement small solutions. During shutdown, the load is completely disconnected from the battery. The tps6124x uses 6-pin dsbga and 2mm × 2mm WSON package.

features

• efficiency > 90% under rated operating conditions

• total DC output voltage accuracy 5.0 V ± 2%

• typical 30 μ A quiescent current

• best in class line and load transients

• wide VIN range from 2.3 V to 5.5 V

• output current up to 450 Ma

• automatic PFM / PWM mode conversion

• low ripple power saving mode to improve efficiency under light load

• internal soft start, 250 μ S typical start time

• 3.5-MHz typical operating frequency

• load disconnection during shutdown

• current overload and thermal shutdown protection

• three surface mount external components are required (one MLCC inductor, two ceramic capacitors)

• total solution size < 13 mm2

• 6-pin dsbga and 2mm × 2mm WSON package

application

• USB-OTG application

• portable HDMI applications

• mobile phones, smart phones

• PDA, PDA

• portable media player

• digital cameras
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