Datasheet > GRM188R71A225KE15D

GRM188R71A225KE15D

更新时间： 2024-10-03 12:46:23

品牌	Logo	应用领域
威世 - VISHAY		稳压器
页数	文件大小	规格书
19页	715K
描述
5 V, 3 A Current-Mode Constant On-Time Synchronous Buck Regulator

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SiP12107

Vishay Siliconix

www.vishay.com

5 V, 3 A Current-Mode Constant On-Time

Synchronous Buck Regulator

DESCRIPTION

FEATURES

• Halogen-free According to IEC 61249-2-21

Definition

• 2.8 V to 5.5 V input voltage

The SiP12107 is a high frequency current-mode constant

on-time (CM-COT) synchronous buck regulator with

integrated high-side and low-side power MOSFETs. Its

power stage is capable of supplying 3 A continuous current

at 4 MHz switching frequency. This regulator produces an

adjustable output voltage down to 0.6 V from 2.8 V to 5.5 V

input rail to accommodate a variety of applications,

including computing, consumer electronics, telecom, and

industrial.

• Adjustable output voltage down to 0.6 V

• 3 A continuous output current

• Programmable switching frequency up to 4 MHz

• 95 % peak efficiency

• Supports all ceramic capacitors No external ESR required

• Ultrafast transient response

SiP12107’s CM-COT architecture delivers ultra-fast

transient response with minimum output capacitance and

tight ripple regulation at very light load. No ESR or external

ESR network is required for loop stability purpose. The

device also incorporates a power saving scheme that

significantly increases light load efficiency.

• Selectable power saving mode or force current mode

•

1 % accuracy

• Pulse-by-pulse current limit

• Scalable with SiP12108 - 5A

• Fully protected with OTP, SCP, UVP, OVP

• P_GoodIndicator

The regulator integrates a full protection feature set,

including output overvoltage protection (OVP), output under

voltage protection (UVP) and thermal shutdown (OTP). It

also has UVLO for input rail and internal soft-start ramp.

• Compliant to RoHS Directive 2011/65/EU

APPLICATIONS

The SiP12107 is available in lead (Pb)-free power enhanced

MLP-16L package in 3 mm x 3 mm dimension.

• Notebook computers

• Desktop PCs and servers

• Handheld devices

• POLs for telecom

• Consumer electronics

• Industrial and automation

TYPICAL APPLICATION CIRCUIT AND PACKAGE OPTIONS

PWR_SAVE_MODE

ENABLE

POWER GOOD

PGD

EN AUTO

V_OUT

INPUT = 2.8 V to 5.5 V

V_IN

V_OUT

V_FB

AV_IN

P_GND

GMO

R_ON

A_GND

Fig. 1 - Typical Application Circuit for SiP12107

S12-0412-Rev. B, 20-Feb-12

Document Number: 63395

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

12 3 4 5 6 7...19

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