Datasheet > SIP12109

SIP12109

更新时间： 2024-09-30 01:14:23

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
17页	317K
描述
4 A continuous output current

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SIP12109 数据手册

SiP12109

Vishay Siliconix

www.vishay.com

4 A, 4.5 V to 15 V Input

Synchronous Buck Regulator

DESCRIPTION

FEATURES

• 4.5 V to 15 V input voltage

The SiP12109 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 4 A continuous current

at 1.5 MHz switching frequency. This regulator produces an

adjustable output voltage down to 0.6 V from 4.5 V to 15 V

input rail to accommodate a variety of applications,

including computing, consumer electronics, telecom, and

industrial.

• Adjustable output voltage down to 0.6 V

• 4 A continuous output current

• Selectable switching frequency from 400 kHz to

1.5 MHz with an external resistor

• 95 % peak efficiency

• Stable with any capacitor. No external ESR network

required

• Ultrafast transient response

SiP12109’s CM-COT architecture delivers ultra-fast

transient response with minimum output capacitance and

tight ripple regulation at very light load. The part is stable

with any capacitor type and no ESR network is required for

loop stability. The device also incorporates a power saving

scheme that significantly increases light load efficiency.

• Power saving scheme for increased light load efficiency

•

1 % accuracy of V_OUTsetting

• Cycle-by-cycle current limit

• Fully protected with OTP, SCP, UVP, OVP

• PGOOD Indicator

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.

• -40 °C to +125 °C operating junction temperature

• Output voltage tracking

• Material categorization: For definitions of compliance

please see www.vishay.com/doc?99912

The SiP12109 is available in lead (Pb)-free power enhanced

3 mm x 3 mm QFN-16 package.

APPLICATIONS

• Point of load regulation for low-power processors,

network processors, DSPs, FPGAs, and ASICs

• Low voltage, distributed power architectures with 5 V

or 12 V rails

• Computing, broadband, networking, LAN/WAN, optical,

test and measurement

• A/V, high density cards, storage, DSL, STB, DVR, DTV,

Industrial PC

TYPICAL APPLICATION CIRCUIT

ENABLE

POWER GOOD

PGOOD

EN BOOT

INPUT = 4.5 V to 15 V

VOUT

V_IN

V_FB

V_CC

COMP

R_{O N}

P_{G ND}

A_{G ND}

Fig. 1 - Typical Application Circuit for SiP12109

S13-2479-Rev. A, 16-Dec-13

Document Number: 62694

For technical questions, contact: powerictechsupport@vishay.com

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...17

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与SIP12109相关器件

型号	品牌	获取价格	描述	数据表
SiP12109DB	VISHAY	获取价格	4 A continuous output current
SiP12109DMP-T1-GE4	VISHAY	获取价格	4 A continuous output current
SIP12110	VISHAY	获取价格	6 A, 4.5 V to 15 V Input Synchronous Buck Regulator
SiP12110DB	VISHAY	获取价格	6 A, 4.5 V to 15 V Input Synchronous Buck Regulator
SIP12110DMP-T1-GE4	VISHAY	获取价格	Switching Regulator,
SIP12116	VISHAY	获取价格	3 A Current Mode Constant On-Time Synchronous Buck Regulator
SiP12116DB	VISHAY	获取价格	3 A Current Mode Constant On-Time Synchronous Buck Regulator
SIP12116DMP-T1-GE4	VISHAY	获取价格	Switching Regulator,
SIP12117	VISHAY	获取价格	3 A Current Mode Constant On-Time Synchronous Buck Regulator
SiP12117DB	VISHAY	获取价格	3 A Current Mode Constant On-Time Synchronous Buck Regulator

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