Datasheet > RT8100PQV

RT8100PQV

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
18页	428K
描述
Synchronous buck PWM DC/DC with Dual Voltage Control Mode

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RT8100PQV 数据手册

Preliminary

RT8100

Synchronous buck PWM DC/DC with Dual Voltage Control Mode

General Description

Features

^zAnalogous Current Mode Design

^z2.5V to 12V Switching Source Power

^z0.8V to 3.3V Output Voltage Regulation

^zAdjustable V_INFeed-Forward Ramp Slope

^zAdjustable Operation Frequency

^zPrecise Core Voltage Regulation

^zPrecise DCR Current Sensing with High Quality

Capacitor, X7R

The RT8100 is an advancedDC/DC synchronous buck PWM

controller with several innovative functions for specific

customer’ s ASIC only. The part features RichTek’ s

innovative design and topology say “analogous current

mode” for current sensing and full functions for various

applications including adjustable soft start, free-run and

adjustable operation frequency and enable; the part is with

design of 12V+12V boot strapped driver which is capable

to drive up to 20Amp output current; moreover the part is

with implementation of accuracy DCR current sensing

topology. There are several specific features implemented

and reserved for the specific customer’ s special

applications including dual V_COREcontrol mode including

tracking and stand-alone mode, and output current

indication. The part is proposed with a small footprint of

VQFN-16L 3x3 package.

1.5% System Accuracy

^zInput Voltage : 12V and 5V Bias

^zEnable Function

^zRoHS Compliant and 100% Lead (Pb)-Free

z Over Current Protection

z External Soft Start Setting

z Operation Frequency up to 1.0MHz

z Dual Mode Voltage Control

`Tracking Mode

`Stand-Alone Mode

Ordering Information

RT8100

z Output Current Indication

z 16-Lead VQFN Package

Package Type

QV : VQFN-16L 3x3 (V-Type)

Applications

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

z MB memory and chipset core power

z Middle-high graphic card GPU and memory core power

z General-purpose fields including server,NB, bare-bone

and mini-system

Note :

Richtek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

Pin Configurations

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

`100% matte tin (Sn) plating.

(TOP VIEW)

16 15 14 13

LGATE

PVCC

5VSB

GND

I_IND

10 SS

VQFN-16L 3X3

DS8100-03 August 2007

www.richtek.com

12 3 4 5 6 7...18

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