TPS65000RTERTPS6500xx 2.25-MHz Step-Down Converter With Dual Low Dropouts and Supply Voltage Supervisor

Features 3 Description The TPS6500xx devices are single-chip power 1• Step-Down Converters: management (PWM) ICs for portable applications. – VIN Range From 2.3 V to 6 V Both devices combine a single step-down converter – Spread Spectrum Clock (SSC) Generation for with two low-dropout (LDO) regulators. The stepReduced EMI down converter enters a low-power mode at light load for maximum efficiency across the widest possible – 2.25-MHz Fixed Frequency Operation range of load currents. For low-noise applications, the – 600-mA or 1-A (TPS650061) Output Current devices can be forced into fixed-frequency PWM • Low Dropouts (LDOs): through a pin. The step-down converter is small – V because of its small inductor and capacitors. The IN Range From 1.6 V to 6 V step-down converter has power good status output – Adjustable Output Voltage for sequencing. The LDOs can supply 300 mA and – Up to 300-mA Output Current operate with an input voltage range from 1.6 V to 6 V. – Separate Power Inputs and Enables A step-down converter or main battery can power the LDOs directly. The step-down converter and the • Supply Voltage Supervisor (TPS65001) LDOs have separate voltage inputs that enable – Manual Reset Input for Push Button maximum design and sequencing flexibility. – Adjustable Reset Time Device Information(1) – Adjustable Reset Voltage PART NUMBER PACKAGE BODY SIZE (NOM) • 3-mm × 3-mm 16-Pin WQFN (TPS65000) TPS65000, • 3-mm × 3-mm 20-Pin WQFN (TPS65001)

2 Applications TPS650006 TPS65001, • Points-of-Load WQFN (20) 3.00 mm × 3.00 mm TPS650061 • Embedded Processor Power (1) For all available packages, see the orderable addendum at • Cell Phones the end of the data sheet. • Smart Phones • PDAs • Pocket PCs • Portable Media Player

TPS65000RTER

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TPS65000RTER