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EUP3451 - 500KHz Step-Down Converter

General Description

The EUP3451 is current mode, step-down switching regulator capable of driving 3A continuous load with excellent line and load regulation.

The EUP3451 can operate with an input voltage range from 4.5V to 30V and the output can be externally set from 0.8V to 12V with a resistor divider.

Key Features

  • z 35V Input Surge Protection z 3A Output Current z 0.135 Internal DMOS Output Switch z 4.5V to 30V Input Operating Range z Output Adjustable from 0.8V to 12V z Up to 95% Efficiency z 1µA Shutdown Current z Fixed 500KHz Frequency z Thermal Shutdown and Overcurrent Protection z Input Supply Overvoltage and Undervoltage Lockout z Available SOP-8 Package z RoHS Compliant and 100% Lead(Pb)-Free.

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Datasheet Details

Part number EUP3451
Manufacturer Eutech Microelectronics
File Size 653.34 KB
Description 500KHz Step-Down Converter
Datasheet download datasheet EUP3451 Datasheet

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Full PDF Text Transcription for EUP3451 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for EUP3451. For precise diagrams, tables, and layout, please refer to the original PDF.

View original datasheet text
EUP3451 3A,30V,500KHz Step-Down Converter DESCRIPTION The EUP3451 is current mode, step-down switching regulator capable of driving 3A continuous load with excellent line and load regulation. The EUP3451 can operate with an input voltage range from 4.5V to 30V and the output can be externally set from 0.8V to 12V with a resistor divider. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode the regulator draws 1µA of supply current. Programmable soft-start minimizes the inrush supply current and the output overshoot at initial startup. The EUP3451 require a minimum number of external components. FEATURES z 35V Input Surge Protection z 3A Output Current z 0.135 Internal DMOS Output Switch z 4.