Datasheet > 173950578

173950578

更新时间： 2024-02-23 14:16:26

品牌	Logo	应用领域
伍尔特 - WURTH		开关
页数	文件大小	规格书
12页	572K
描述
Fixed Step Down Regulator Module

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技术参数
数据手册

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173950578 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	2.25
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	峰值回流温度（摄氏度）：	NOT SPECIFIED
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

173950578 数据手册

WPMDL110xxx1S / 17301xx78

MagI³C Power Module

FDSM – Fixed Step Down Regulator Module

7 - 28V / 1A / 3.3 or 5V Output

DESCRIPTION

FEATURES

The FDSM series of the MagI³C Power Module family is a

fixed output voltage, fully integrated dc/dc power supply.

The module integrates the switching power stage, control

circuitry, inductor and capacitors all in one package.

•

Peak efficiency up to 93%

Current capability up to 1A

Input voltage range: 7 to 28V

Output voltage: 3.3 or 5V

Continuous output power: 3.3 or 5W

Integrated capacitors and inductor

Low output voltage ripple:

typ.15mV (3.3V) and 25mV (5Vout) at 1A load

Output voltage accuracy: 3.5% typ.

Fixed 300 kHz switching frequency

Current mode control

Pulse skipping for high efficiency at light loads

Internal soft-start

Thermal shutdown

Short circuit protection

Cycle by cycle current limit

Output over-voltage protection

-40°C to 85°C ambient operating temperature range

RoHS & REACH compliant

UL94V-0 package material

EN55022 Class B compliant

The module requires no external components for

operation reducing design effort and complexity to a

minimum.

•

The FDSM ensures fast time to market and low

development costs.

It is pin compatible with the common 78xx linear regulator

series. The high efficiency reduces the power dissipation

and in many cases a heatsink and assembly parts are

unnecessary.

12V to 3.3V conversion achieves up to 87% efficiency.

12V to 5V conversion achieves up to 91% efficiency.

The standard THT package allows for easy assembly.

TYPICAL APPLICATIONS

•

Point-of-Load from 18V, 15V, 12V, 9V rail

Replacement for linear regulators

Interface and microcontroller supply

General purpose

TYPICAL CIRCUIT DIAGRAM

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Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0

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