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EUP3290 - 2.25MHz Synchronous Step-Down DC/DC Regulator

Description

The EUP3290 is synchronous step-down DC-DC converters optimized for battery powered portable applications.

The 2.7V to 5.5V input voltage range makes EUP3290 ideal for powering portable equipment that runs from 1-cell Li-Ion or 3-cell NiMH/NiCD batteries.

Features

  • High Efficiency Up to 95% 2.25MHz Constant Switching Frequency 1A Available Load Current 30µA Typical Quiescent Current 2.7V to 5.5V Input Voltage Range Adjustable Output Voltage as Low as 0.6V No Schottky Diode Required Short Circuit and Thermal Protection Internal Soft Start Function Available in TDFN-6 and TSOT23-5 Packages RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free.

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Datasheet preview – EUP3290

Datasheet Details

Part number EUP3290
Manufacturer Eutech Microelectronics
File Size 83.94 KB
Description 2.25MHz Synchronous Step-Down DC/DC Regulator
Datasheet download datasheet EUP3290 Datasheet
Additional preview pages of the EUP3290 datasheet.

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Full PDF Text Transcription

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EUP3290 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator DESCRIPTION The EUP3290 is synchronous step-down DC-DC converters optimized for battery powered portable applications. The 2.7V to 5.5V input voltage range makes EUP3290 ideal for powering portable equipment that runs from 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3V or 5V voltage rail. The EUP3290 operates at 2.25MHz fixed switching frequency allowing the use of small inductors and capacitors to achieve a small solution size. The internal synchronous switch increases efficiency and eliminates the need for an external schottky diode. The EUP3290 has internal soft start and avoids inrush current during startup.
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