Datasheet > EUP3484S

EUP3484S

更新时间： 2024-11-21 01:19:19

品牌	Logo	应用领域
德信 - EUTECH		/
页数	文件大小	规格书
11页	783K
描述
3A, 24V, 340KHz Synchronous Step-Down Converter

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EUP3484S 数据手册

EUP3484S

3A, 24V, 340KHz Synchronous

Step-Down Converter

DESCRIPTION

FEATURES

ꢀ

3A Output Current

The EUP3484S is a synchronous current mode buck

regulator capable of driving 3A continuous load current

with excellent line and load regulation. The EUP3484S

can operate with an input range 4.5V to 24V and the

output can be externally set from 0.925V to 18V with a

resistor divider.

Automatic Pulse Skipping Mode at Light Load

Integrated 160mꢁ/110mꢁ DMOS Switches

4.5V to 24V Input Operating Range

Output Adjustable from 0.925V to 18V

Up to 95% Efficiency

Fault condition protection includes cycle-by-cycle

current limiting and thermal shutdown. In shutdown

mode the regulator draws 1ꢀA of supply current.

Programmable soft-start minimizes the inrush supply

current and the output overshoot at initial startup.

Automatic pulse skipping mode operation increase

efficiency at light loads.

1ꢀA Shutdown Current

Fixed 340KHz Frequency

Programmable Soft-Start

Thermal Shutdown and Overcurrent Protection

Input Supply Undervoltage Lockout

230ns Minimum On Time

The EUP3484S require a minimum number of external

components.

Available in SOP-8 (EP) Package

RoHS Compliant and 100% Lead(Pb)-Free

Halogen-Free

APPLICATIONS

ꢀ

Distributed Power Systems

Networking Systems

PC Monitors

Portable Electronics

Typical Application Circuit

Figure 1. 12V to 3.3V/5V Application Circuit

DS3484S Ver1.2 May 2012

12 3 4 5 6 7...11

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