Datasheet > RT7240A

RT7240A

更新时间： 2024-04-09 19:01:56

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
15页	213K
描述
5A, 18V, 650kHz, ACOT? Synchronous Step-Down Converter

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RT7240A 数据手册

RT7240A

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

m

R_DS(ON)

R_{DS(ON)_H}

R_{DS(ON)_L}

High-Side

Low-Side

(V_BOOT V_SW) = 5.5V

120

Switch On

Resistance

Current Limit

I_LIM

6.2

6.8

7.5

Thermal Shutdown

Thermal Shutdown Threshold T_SD

Thermal Shutdown Hysteresis T_SD

On-Time Timer Control

Shutdown Temperature

150

C

On-Time

t_ON

V_IN= 12V, V_OUT= 1.05V

V_FB= 0.7V

135

260

Minimum Off-Time

Soft-Start

t_OFF(MIN)

310

SS Charge Current

SS Discharge Current

UVLO

V_SS= 0V

A

V_SS= 0.5V

0.1

0.2

UVLO Threshold

Hysteresis

Wake Up V_REG5

3.6

3.85

0.35

4.1

0.16

0.47

Note 1. Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are

stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in

the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may

affect device reliability.

Note 2. θ_JAis measured at T_A= 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θ_JCis

measured at the exposed pad of the package.

Note 3. Devices are ESD sensitive. Handling precaution is recommended.

Note 4. The device is not guaranteed to function outside its operating conditions.

is a registered trademark of Richtek Technology Corporation.

DS7240A-01 January 2022

www.richtek.com

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