Datasheet > RT8110C

RT8110C

更新时间： 2024-11-13 17:01:39

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
13页	257K
描述
Compact Wide Input Range Synchronous Buck DC/DC PWM Controller

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RT8110C 数据手册

RT8110C

Compact Wide Input Range Synchronous Buck DC/DC

PWM Controller

General Description

Features

^z10V to 28V Wide Input Voltage Range

^zController Support 5V Supply Voltage

^zIntegrated Non-Overlapping MOSFET Driver

^z0.8V Internal Reference

The RT8110C is a compact fixed-frequency PWM controller

with integrated MOSFET drivers for single power rail

synchronous single-phase buck converter. This part

features an internal regulator that allows wide input voltage

range operation. The RT8110C utilizes voltage-mode

control with internal control loop compensation to simplify

the converter design. An internal 0.8V reference voltage

allows low output voltage application. The switching

frequency is fixed at 400kHz to reduce the external passive

component size to save board space. The RT8110C

provides under voltage protection, current limit, over current

protection and over temperature protection. The low-side

MOSFET R_DS(ON)is used to sense the inductor current

for over current protection.

^zInternal Soft-Start

^zVoltage Mode PWM with Internal Control Loop

Compensation

^zFixed 400kHz Switching Frequency

^zFast Transient Response

^z80% Maximum Duty Cycle

^zOver Current Protection

z Under Voltage Protection

z Over Temperature Protection

z Tiny Package TSOT-23-8

z RoHS Compliant and Halogen Free

Ordering Information

RT8110C

Applications

z LCD TV

Package Type

J8 : TSOT-23-8

z Set-top Box Power Supplies

z PC Subsystem Power Supplies

z Cable Modems, DSL Modems

z DSP and Core Communication Processor Power

Supplies

Lead Plating System

G : Green (Halogen Free and Pb Free)

Note :

Richtek products are :

z Memory Power Supplies

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

z Personal Computer Peripherals

z Industrial Power Supplies

z Low VoltageDistributed Power Supplies

Marking Information

Pin Configurations

AK= : Product Code

(TOP VIEW)

AK=DNN

DNN : Date Code

TSOT-23-8

DS8110C-00 May 2011

www.richtek.com

12 3 4 5 6 7...13

中文翻译

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