Datasheet > ELM605DA_17

ELM605DA_17

更新时间： 2025-06-14 01:13:39

品牌	Logo	应用领域
ELM-TECH		/
页数	文件大小	规格书
13页	827K
描述
synchronous step-down DC/DC converter

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中文翻译

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数据手册

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ELM605DA_17 数据手册

2A synchronous step-down DC/DC converter

ELM605DA

■General description

ELM605DA is low-input voltage and high-output current synchronous-buck PWM converter and integrates

with all required active components. Its' operating input voltage ranges from 2.5V to 6V and output voltage

ranges from Vin down to 0.8V. ELM605DA operates at a ﬁxed switching frequency of 1.0MHz. In addition, it

provides internal soft-start to reduce inrush-current, current-limit and thermal shutdown, preventing IC from

being damaged and improving design reliability. Open-drain power good monitors the output voltage.

■Features

■Application

• Current mode operation

• ASIC/DSP/μP/FPGA core and I/O voltages

• Networking and telecommunications

• TV

• Power good function monitoring output voltage

• Internal soft start

• Thermal shutdown

• Set top boxes

• Current-limit and short-circuit protection

• Cellular base stations

• Input voltage range

• Output current

: 2.5V to 6.0V

: 2A

• Low quiescent current (active mode) : 200μA

• Output voltage range (adj.)

• Shutdown current

• High efﬁciency

: 0.8V to Vin

: 7μA

: 95%

• Constant frequency operation

• Package

: 1.0MHz

: SOP-8

■Maximum absolute ratings

Parameter

VIN power supply voltage

Apply voltage to SW

Apply voltage to EN

Apply voltage to FB

Power dissipation

Operating temperature range

Storage temperature range

Symbol

Limit

-0.3 to +6.5

-0.3 to Vin+0.3

-0.3 to Vin

300

Unit

°C

Vin

Vsw

Ven

Vfb

Top

Tstg

-40 to +150

-65 to +150

Caution:Permanent damage to the device may occur when ratings above maximum absolute ones are used.

■Selection guide

ELM605DA-S

Symbol

ELM605DA - S

Package

Product version

Taping direction

D: SOP-8

S: Refer to PKG file

↑ ↑ ↑

a b c

Taping direction is one way.

Rev.1.2

13 - 1

12 3 4 5 6 7...13

中文翻译

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