Datasheet > RT6211B

RT6211B

更新时间： 2024-01-22 20:30:34

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
16页	989K
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技术参数
数据手册

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RT6211B 技术参数

Status：	Active	Vin (min) (V)：	4.5
Vin (max) (V)：	18	Number of Outputs：	1
Vout (min) (V)：	0.8	Vout (max) (V)：	6.5
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	1.5	Current Limit (typ) (A)：	2.5
Freq (typ) (kHz)：	520	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：	No
Ron_HS (typ) (mOhm)：	230	Ron_LS (typ) (mOhm)：	130
Iq (typ) (mA)：	0.8	Features：	ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Force PWM;OCP;SCP;Stable with Ceramic Capacitor;UVP
Package Type：	SOT-26	Datasheet：	https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS6211AB-07.pdf

RT6211B 数据手册

RT6211A/B

1.5A, 18V, 500kHz, ACOT^TMStep-Down Converter

General Description

Features

 Integrated 230m/130m MOSFETs

 4.5V to 18V Supply Voltage Range

 500kHz Switching Frequency

 ACOT Control

The RT6211A/B is a high-efficiency, monolithic

synchronous step-down DC-DC converter that can

deliver up to 1.5A output current from a 4.5V to 18V

input supply. The RT6211A/B adopts ACOT

architecture 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 current

protection, and thermal shutdown.

 0.8V  1.5% Voltage Reference

 Internal Start-Up from Pre-biased Output Voltage

 Compact Package : SOT-23-6 pin

 High/Low Side Over-Current Protection and

Hiccup

 V_OUTRange 0.8V to 6.5V

Applications

 Set-Top Boxes

 Portable TVs

Ordering Information

RT6211A/B

 Access Point Routers

 DSL Modems

 LCD TVs

Package Type

E : SOT-23-6

Lead Plating System

G : Green (Halogen Free and Pb Free)

Marking Information

UVP Option

H : Hiccup

RT6211AHGE

3J= : Product Code

DNN : Date Code

3J=DNN

A : PSM Mode

B : PWM Mode

RT6211BHGE

Note :

39= : Product Code

Richtek products are :

DNN : Date Code

39=DNN

 RoHS compliant and compatible with the current

requirements of IPC/JEDEC J-STD-020.

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

Simplified Application Circuit

RT6211A/B

BOOT

VIN

OUT

Enable

GND

is a registered trademark of Richtek Technology Corporation.

DS6211A/B-07 September 2018

www.richtek.com

12 3 4 5 6 7...16

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