TPS65000RTER

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1. Description

The TPS65000RTER devices are single-chip power management (PWM) ICs for portable applications. Both devices combine a single step-down converter with two low-dropout (LDO) regulators. The step- down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications, the devices can be forced into fixed-frequency PWM through a pin. The step-down converter is small because of its small inductor and capacitors. The step-down converter has power good status output for sequencing. The LDOs can supply 300 mA and operate with an input voltage range from 1.6 V to 6 V. A step-down converter or main battery can power the LDOs directly. The step-down converter and the LDOs have separate voltage inputs that enable maximum design and sequencing flexibility.

2. Features

    1. Step-Down Converters:

        – VIN Range From 2.3 V to 6 V

        – Spread Spectrum Clock (SSC) Generation for Reduced EMI 

        – 2.25-MHz Fixed Frequency Operation

        – 600-mA or 1-A (TPS650061) Output Current

    2. Low Dropouts (LDOs):

        – Vin Range From 1.6 V to 6 V

        – Adjustable Output Voltage

        – Up to 300-mA Output Current

        – Separate Power Inputs and Enables

    3. Supply Voltage Supervisor (TPS65001)

        – Manual Reset Input for Push Button 

        – Adjustable Reset Time

        – Adjustable Reset Voltage

    4. 3-mm × 3-mm 16-Pin WQFN (TPS65000)

    5. 3-mm × 3-mm 20-Pin WQFN (TPS65001)

3. Applications

    1. Points-of-Load

    2. Embedded Processor Power

    3. Cell Phones

    4. Smart Phones

    5. PDAs

    6. Pocket PCs

    7. Portable Media Players