Datasheet > C4535X5R1E226M

C4535X5R1E226M

更新时间： 2024-11-24 12:51:43

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
16页	482K
描述
5A, 24V, 570kHz Step-Down Converter

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中文翻译

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C4535X5R1E226M 数据手册

RT8251

5A, 24V, 570kHz Step-Down Converter

General Description

Features

^zWide Operating Input Voltage Range : 4.75V to 24V

^zAdjustable Output Voltage Range : 0.8V to 15V

^zOutput Current up to 5A

The RT8251 is a monolithic step-down switch mode

converter with a built-in internal power MOSFET. It achieves

5A continuous output current over a wide input supply

range with excellent load and line regulation. Current mode

operation provides fast transient response and eases loop

stabilization.

^z25μA Low Shutdown Current

^zInternal Power MOSFET : 70mΩ

^zHigh Efficiency up to 95%

^z570kHz Fixed Switching Frequency

^zStable with Low ESR Output Ceramic Capacitors

^zThermal Shutdown Protection

The RT8251 provides protection functions such as

cycle-by-cycle current limiting and thermal shutdown. In

shutdown mode, the regulator draws 25μA of supply

current. Programmable soft-start minimizes the inrush

supply current and the output overshoot at initial startup.

The RT8251 requires a minimum number of external

components. The RT8251 is available in WQFN-16L 3x3

and SOP-8 (Exposed Pad) packages.

^zCycle-By-Cycle Over Current Protection

^zRoHS Compliant and Halogen Free

Applications

z Distributed Power Systems

z Battery Charger

z DSL Modems

Pin Configurations

z Pre-regulator for Linear Regulators

(TOP VIEW)

Ordering Information

16 15 14 13

RT8251

VIN

Package Type

QW : WQFN-16L 3x3 (W-Type)

SP : SOP-8 (Exposed Pad-Option 1)

GND

10 SW

BOOT

VIN

GND

Lead Plating System

G : Green (Halogen Free and Pb Free)

Note :

Richtek products are :

WQFN-16L 3x3

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

BOOT

VIN

GND

COMP

GND

SOP-8 (Exposed Pad)

is a registered trademark of Richtek Technology Corporation.

DS8251-04 February 2013

www.richtek.com

12 3 4 5 6 7...16

中文翻译

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