Datasheet > RT6224D

RT6224D

更新时间： 2024-09-23 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
15页	315K
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中文翻译

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技术参数
数据手册

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RT6224D 技术参数

Status：	Active	Vin (min) (V)：	4.3
Vin (max) (V)：	18	Number of Outputs：	1
Vout (min) (V)：	0.6	Vout (max) (V)：	5
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	3	Current Limit (typ) (A)：	3.9
Freq (typ) (kHz)：	1400	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：	No
Ron_HS (typ) (mOhm)：	90	Ron_LS (typ) (mOhm)：	45
Iq (typ) (mA)：	0.5	Features：	ACOT Control;Force PWM;OCP;UVP
Package Type：	TSOT-26(FC)

RT6224D 数据手册

Sample &

Buy

RT6224D

3A, 18V, 1.4MHz ACOT^TMSynchronous Step-Down Converter

General Description

Features

^Small Output Voltage at Light Load

^High-Side Over-Current Limit

^Integrated 90mΩ/45mΩ MOSFETs

^4.3V to 18V Supply Voltage Range

^1.4MHz Switching Frequency

^ACOT^TMControl

The RT6224Dis a high-efficiency, monolithic synchronous

step-downDC-DC converter that can deliver up to 3Aoutput

current from a 4.3V to 18V input supply. The RT6224D

adopts ACOT^TMarchitecture to allow the transient

response to be improved and keep in constant frequency.

Cycle-by-cycle current limit provides protection against

shorted outputs and soft-start eliminates input current

surge during start-up. Fault conditions also include output

under-voltage protection, output over-voltage protection,

and thermal shutdown.

^0.6V 1.5% Voltage Reference

^Monotonic Start-Up into Pre-Biased Outputs

Applications

 Set Top Box

 Portable TV

 Access Point Router

 DSL Modem

 LCD TV

Ordering Information

RT6224D

Package Type

J6F : TSOT-23-6 (FC)

Lead Plating System

G : Green (Halogen Free and Pb Free)

Pin Configuration

UVP Option

H : Hiccup

(TOP VIEW)

PSM/PWM

SW VIN EN

D : Force-PWM

Note :

Richtek products are :

 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.

BOOTGND FB

TSOT-23-6 (FC)

Simplified Application Circuit

RT6224D

BOOT

VIN

OUT

Enable

GND

is a registered trademark of Richtek Technology Corporation.

DS6224D-01 August 2018

www.richtek.com

12 3 4 5 6 7...15

中文翻译

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