Datasheet > RT6214BHGJ6F

RT6214BHGJ6F

更新时间： 2024-11-25 22:59:39

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
23页	1618K
描述
IC REG BUCK ADJ 3A SYNC TSOT23-6

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RT6214BHGJ6F 数据手册

RT6214A/B

18V, 3A, ACOT^TMStep-Down Converter in 6 and 8 Pin TSOT-23

General Description

Features

 Input Supply Voltage Range : 4.5V to 18V

 3A Converter With Built-in 100m/50m Low

RDS(ON) Power FETs

 Advanced Constant On-Time (ACOT^TM) Control

for Ultrafast Transient Response

 Fixed Switching Frequency : 500kHz (SOT23-6)

or 650kHz (SOT23-8)

The RT6214A/B is

simple, easy-to-use, 3A

synchronous step-down DC-DC converter with an input

supply voltage range of 4.5V to 18V. The device

integrates low R_DS(ON)power MOSFETs to achieve

high efficiency in a SOT-23 package and build-in

accurate reference voltage (0.765V or 0.8V by product

options).

 Optional for Operation Modes :

The RT6214A/B adopts Advanced Constant On-Time

(ACOT^TM) control architecture to provide an ultrafast

transient response with few external components and

to operate in nearly constant switching frequency over

the line, load, and output voltage range. The RT6214A

operates in automatic PSM that maintains high

efficiency during light load operation. RT6214B

operates in Forced PWM that helps meet tight voltage

regulation accuracy requirements.

 Automatically Power Saving Mode (PSM)

(RT6214A)

 Forced PWM Mode (RT6214B)

 Optimized for Low-ESR Ceramic Output

Capacitors

 1.5% High-Accuracy Feedback Reference

Voltage

 Output Voltage Range : up to 6.5V

 Internal fixed Soft-Start (typ. 1ms) for SOT-23-6

 Externally Adjustable Soft-Start for SOT-23-8

 Monotonic Start-Up for Pre-biased Outputs

 Both HS/LS FETs Protection for Robust Over

Current Protection

The RT6214A/B senses both FETs current for a robust

over-current

protection. The

device features

cycle-by-cycle current limit protection and prevent the

device from the catastrophic damage in output short

circuit, over current or inductor saturation. The

RT6214A/B SOT-23-6 series built-in soft-start function

prevents inrush current during start-up and the

SOT-23-8 series offers programmable start-up by

connecting a capacitor at external SS pin. The device

also includes input under-voltage lockout, output

under-voltage protection, and over-temperature

protection (thermal shutdown) to provide safe and

smooth operation in all operating conditions. The

RT6214A/B are offered in TSOT-23-6 (FC) and

TSOT-23-8 (FC) package.

 Input Under-Voltage Lockout (UVLO)

 Output Under-Voltage Protection (UVP) with

Hiccup Mode

 Over-Temperature Protection (OTP) (Thermal

Shutdown)

 Enable Control

 Power Good Indication for SOT-23-8

 RoHS Compliant and Halogen Free

 Available in TSOT-23-6 or TSOT-23-8 Package

is a registered trademark of Richtek Technology Corporation.

DS6214A/B-04 August 2017

www.richtek.com

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与RT6214BHGJ6F相关器件

型号	品牌	获取价格	描述	数据表
RT6214BHRGJ8F	RICHTEK	获取价格	IC REG BUCK ADJ 3A SYNC TSOT23-8
RT6215A	RICHTEK	获取价格	24V, 2A, 500kHz, ACOT? Step-Down Converter in 8 Pin TSOT-23
RT6215B	RICHTEK	获取价格	24V, 2A, 500kHz, ACOT? Step-Down Converter in 8 Pin TSOT-23
RT6215E	RICHTEK	获取价格	暂无描述
RT6215F	RICHTEK	获取价格	暂无描述
RT6216E	RICHTEK	获取价格	暂无描述
RT6216F	RICHTEK	获取价格	2.5A, 24V, 800kHz, ACOT? Step-Down Converter
RT6217A	RICHTEK	获取价格	24V, 3A, 500kHz, ACOT® Step-Down Converter in
RT6217B	RICHTEK	获取价格	暂无描述
RT6217E	RICHTEK	获取价格	暂无描述

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