Datasheet > RT6207B

RT6207B

更新时间： 2024-11-25 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
22页	265K
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RT6207B 技术参数

Status：	Active	Vin (min) (V)：	4.5
Vin (max) (V)：	18	Number of Outputs：	1
Vout (min) (V)：	0.7	Vout (max) (V)：	8
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	5	Current Limit (typ) (A)：	6.7
Freq (typ) (kHz)：	650	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：	No
Ron_HS (typ) (mOhm)：	60	Ron_LS (typ) (mOhm)：	22
Iq (typ) (mA)：	0.8	Features：	ACOT Control;Adjustable Soft-Start;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Force PWM;Internal Compensation;OCP;OVP;Power Good;Stable with Ceramic Capacitor;UVP
Package Type：	UQFN2x3-13J(FC)

RT6207B 数据手册

RT6207A/B

5A, 18V, 650kHz, ACOT^TMSynchronous Step-Down Converter

General Description

Features

^Fast Transient Response

The RT6207A/B is a high-performance 650kHz, 5Astep-

down regulator with internal power switches and

synchronous rectifiers. It features quick transient response

using its Advanced Constant On-Time (ACOT^TM) control

architecture that provides stable operation with small

ceramic output capacitors and without complicated

external compensation, among other benefits. The input

voltage range is from 4.5V to 18V and the output is

adjustable from 0.7V to 8V. The proprietaryACOT^TMcontrol

improves upon other fast response constant on-time

architectures, achieving nearly constant switching

frequency over line, load, and output voltage ranges. Since

there is no internal clock, response to transients is nearly

instantaneous and inductor current can ramp quickly to

maintain output regulation without large bulk output

capacitance. The RT6207A/B is stable with and optimized

for ceramic output capacitors. With internal 60mΩ switches

and 22mΩ synchronous rectifiers, the RT6207A/B displays

excellent efficiency and good behavior across a range of

applications, especially for low output voltages and low

duty cycles. Cycle-by-cycle current limit provides

protection against shorted outputs, input under-voltage

lock-out, externally-adjustable soft-start, output under- and

over-voltage protection, and thermal shutdown provide safe

and smooth operation in all operating conditions. The

RT6207A/B is available in the UQFN-13JL 2x3 (FC)

package, with exposed thermal pad.

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

^4.5V to 18V Input Voltage Range

^Adjustable Output Voltage from 0.7V to 8V

^5A Output Current

^60mΩ Internal High-Side N-MOSFET and 22mΩ

Internal Low-Side N-MOSFET

^Steady 650kHz Switching Frequency

^Up to 95% Efficiency

^Optimized for All Ceramic Capacitors

^Externally-Adjustable, Pre-Biased Compatible Soft-

Start

^Cycle-by-Cycle Current Limit

^Input Under-Voltage Lockout

^Output Over- and Under-Voltage Protection

^Power Good Output

^Externally-Adjustable, Pre-Biased Compatible Soft-

Start

^Thermal Shutdown

Applications

 Industrial and Commercial Low Power Systems

 Computer Peripherals

 LCDMonitors and TVs

 Green Electronics/Appliances

 Point of Load Regulation for High-Performance DSPs,

FPGAs, and ASICs

Simplified Application Circuit

RT6207A/B

VIN

OUT

BOOT

OUT

BOOT

PGOOD

PVCC

Enable

PVCC

GND

is a registered trademark of Richtek Technology Corporation.

DS6207A/B-02 December 2015

www.richtek.com

12 3 4 5 6 7...22

中文翻译

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与RT6207B相关器件

型号	品牌	获取价格	描述	数据表
RT6208	RICHTEK	获取价格	暂无描述
RT6210	RICHTEK	获取价格	暂无描述
RT6211A	RICHTEK	获取价格	1.5A, 18V, 500kHz, ACOT® Step-Down Converter
RT6211B	RICHTEK	获取价格	暂无描述
RT6212A	RICHTEK	获取价格	暂无描述
RT6212AHGJ6F	RICHTEK	获取价格	Step-Down Converter
RT6212AHRGJ6F	RICHTEK	获取价格	Step-Down Converter
RT6212B	RICHTEK	获取价格	暂无描述
RT6212BHGJ6F	RICHTEK	获取价格	Step-Down Converter
RT6212BHRGJ6F	RICHTEK	获取价格	Step-Down Converter

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