Datasheet > RT6310C

RT6310C

更新时间： 2024-04-09 18:58:17

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
54页	1337K
描述
10A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO

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RT6310C 数据手册

RT6310

10A, 23V Synchronous Step-Down Converter with 3.3V/5V

LDO

General Description

⚫ 10A Continuous Output Current

⚫ Stable with POSCAP and MLCC Capacitor

⚫ Fast Transient Response

The RT6310 family are high efficiency synchronous

step-down DC-DC converters with pseudo constant

switching frequency 500kHz and deliver up to 10A

⚫ Diode Emulation Mode (DEM) for Power Saving

⚫ Ultrasonic Mode (USM) for Avoiding Acoustic

Noise

output

current.

The

RT6310A/B/D

and

RT6310AH/BH/DH operate from 4.5V to 23V input

voltage. The output voltage of RT6310A/AH/D/DH is

programmable between 0.6V to 5.5V and RT6310B/BH

is fixed to 3.3V output voltage. The input voltage of

RT6310C/CH ranges from 5.2V to 23V and the output

voltage of RT6310C/CH is fixed to 5.1V.

⚫ Pseudo Constant Switching Frequency 500kHz in

CCM

⚫ Internal Power MOSFET Switch 17m (high-side)

and 7.5m (low-side)

⚫ LDO

The RT6310 adopts Advanced Constant On-Time

 RT6310B/BH : 3.3V/100mA

(ACOT ) control architecture that provides ultra-fast

 RT6310C/CH : 5V/100mA

transient response and further reduces the external

⚫ Over-Current Limit

component count. In steady states, the ACOT

 RT6310A/AH : Adjustable (13A, 15A or 17A)

 RT6310D/DH : Adjustable (6.5A, 16A or 25.8A)

 RT6310B/BH/C/CH : 15A

operates at nearly constant switching frequency over

line, load and output voltage ranges and makes the EMI

filter design easier.

⚫ Output Under-/Over-Voltage Protection (UVP/OVP)

 RT6310A/B/C/D : Latched Mode UVP/OVP

 RT6310AH/BH/CH/DH : Hiccup Mode UVP and

Non-Latched Mode OVP

By setting the voltage of the EN/MODE pin, RT6310

operates either in diode emulation mode (DEM) or

ultrasonic mode (USM) at light load. The USM

maintains operation frequency above 25kHz, which

eliminates the acoustic noise. In the DEM, RT6310

provides the best light-load efficiency and improves the

acoustic noise with spread spectrum function.

⚫ Input Under-Voltage-Lockout (UVLO)

⚫ Over-Temperature Protection (OTP)

 RT6310A/B/C/D : Latched Mode OTP

 RT6310AH/BH/CH/DH : Non-Latched Mode OTP

RT6310 provides PGOOD indicator for easy system

sequence control. Full protection features are also

integrated in the device, including the cycle-by-cycle

current limit, OVP, UVP, input UVLO and OTP.

Applications

⚫ Laptop Computers

⚫ Tablet PCs

⚫ Networking Systems

⚫ Servers

All above functions are integrated in a UQFN-23L 3x3

(FC) package.

⚫ Personal Video Recorders

⚫ Flat Panel Television and Monitors

⚫ Distributed Power Systems

Features

⚫ Input Voltage Range

 RT6310A/B/D and RT6310AH/BH/DH : 4.5V to

23V

 RT6310C/CH : 5.2V to 23V

⚫ Output Voltage

 RT6310A/AH and RT6310D/DH : 0.6V to 5.5V

 RT6310B/BH : 3.3V

 RT6310C/CH : 5.1V

is a registered trademark of Richtek Technology Corporation.

DS6310-04

August 2023

www.richtek.com

12 3 4 5 6 7...54

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与RT6310C相关器件

型号	品牌	获取价格	描述	数据表
RT6310D	RICHTEK	获取价格	10A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6310E	RICHTEK	获取价格	10A, 23V Synchronous Step-Down Converter with 3.3V LDO
RT6310EH	RICHTEK	获取价格	10A, 23V Synchronous Step-Down Converter with 3.3V LDO
RT6316B	RICHTEK	获取价格	6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6316C	RICHTEK	获取价格	6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6318B	RICHTEK	获取价格	8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6318C	RICHTEK	获取价格	8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6320B	RICHTEK	获取价格	12A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6320C	RICHTEK	获取价格	12A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
RT6321A	RICHTEK	获取价格	12A, 23V Synchronous Step-Down Converter with Adjustable Output Voltage and Low Power Mode

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