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EUP3418 - 1A Synchronous Step-Down Converter

General Description

The EUP3418 is a constant frequency, current mode, PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency.

Key Features

  • 25µA Quiescent Current at Light Load High Efficiency up to 96% 1.5MHz Constant Switching Frequency 1A Available Load Current 2.7V to 5.5V Input Voltage Range Adjustable Output Voltage as Low as 0.6V 100% Duty Cycle Low Dropout Operation No Schottky Diode Required Short Circuit and Thermal Protection Excellent Line and Load Transient Response ＜1µA Shutdown Current Soft Start Function Available in SOT23-5, TSOT23-5 Package RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free.

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Datasheet Details

Part number EUP3418
Manufacturer Eutech Microelectronics
File Size 89.74 KB
Description 1A Synchronous Step-Down Converter
Datasheet download datasheet EUP3418 Datasheet

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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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EUP3418 1.5MHz, 1A Synchronous Step-Down Converter with Soft Start DESCRIPTION The EUP3418 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.7V to 5.5V input voltage range makes the EUP3418 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The EUP3418 supports up to 1A load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors.