RT8072 데이터 시트보기 (PDF) - Richtek Technology

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RT8072

5A, 2MHz, High Efficiency Synchronous Step-Down Converter

Richtek Technology 

RT8072

Parameter

MOSFET

High Side MOSFET On-resistance

Low Side MOSFET On-resistance

Current Limit

Current Limit Threshold

Power Good

Power Good Range

Over Temperature Protection

Thermal Shutdown

Thermal Shutdown Hysteresis

Symbol

Test Conditions

VIN = 5V, BOOT − LX = 5V

VIN = 5V

VFB Rising (Good)

VFB Falling (Fault)

VFB Rising (Fault)

VFB Falling (Good)

Rising

Min Typ Max Unit

-- 50 --

mΩ

-- 35 --

mΩ

6

8

--

A

-- 94 --

-- 90 --

--

110

-- % VREF

-- 106 --

-- 165 --

°C

-- 20 --

°C

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. θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θJC is

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.

Copyright ©2012 Richtek Technology Corporation. All rights reserved.

www.richtek.com

6

is a registered trademark of Richtek Technology Corporation.

DS8072-01 November 2012

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