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LP6342 - 2A Step-down Converter

Description

The LP6342 is a 1.5MHz constant frequency current mode PWM step-down converter.

It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions.

Features

  • — Input Voltage Range: 2.5V to 5.5V — Output Voltage Range: 0.6V to VIN — 2A Output Current — Low R(DSON) Internal Switches:130mΩ — High Efficiency :Up to 95% — 100% Duty Cycle in Dropout — Low Shutdown Current: < 1 u A — 1.5MHz Switching Frequency — Soft star Function — Short Circuit Protection — Thermal Fault Protection — 3 m m × 3 m m TDFN-10 or MSOP-10,SOP8(EP) Package — RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet Details

Part number LP6342
Manufacturer Lowpowersemi
File Size 772.92 KB
Description 2A Step-down Converter
Datasheet download datasheet LP6342 Datasheet

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Other Datasheets by Lowpowersemi

Part Number Description
LP6343 3A Step-down Converter
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Datasheet LP6342 1.5MHz, 2A Step-down Converter General Description The LP6342 is a 1.5MHz constant frequency current mode PWM step-down converter. It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The LP6342 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The LP6342 can supply up to 2A output load current from a 2.5V to 5.5V input voltage and the output voltage can be regulated as low as 0.6V. The high switching frequency minimizes the size of external components while keeping switching losses low.