Datasheet > SiP12117DB

SiP12117DB

更新时间： 2024-09-30 01:18:43

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威世 - VISHAY		/
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3 A Current Mode Constant On-Time Synchronous Buck Regulator

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SiP12117DB 数据手册

SiP12117

Vishay Siliconix

www.vishay.com

3 A Current Mode Constant On-Time

Synchronous Buck Regulator

DESCRIPTION

FEATURES

The SiP12117 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 up to 3 A continuous

current at 600 kHz 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 consumer electronics, computing,

telecom, and industrial.

• 4.5 V to 15 V input voltage

• Adjustable output voltage down to 0.6 V

• 3 A continuous output current

• Integrated compensation

• 600 kHz switching frequency

• Ultrafast transient response

• < 5 μA typical shutdown current

• Cycle by cycle current limit

• Power good function

SiP12117’s CM-COT architecture delivers ultrafast transient

response and low ripple over the full load range with

minimum output capacitance and no ESR requirements.

The device features a built in soft start of 2.9 ms and

integrated compensation.

• Fixed soft start: 2.9 ms, typ.

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

The device also includes cycle-by-cycle current limit, over

temperature protection (OTP) and input under-voltage

lockout (UVLO).

APPLICATIONS

• Graphics cards

• Set-top-box

The SiP12117 is available in lead (Pb)-free 3 mm x 3 mm

DFN 10 lead package with thermal pad.

• LCD TV

• Notebook computers

• HDD / SSD



TYPICAL APPLICATION CIRCIUT AND PACKAGE OPTIONS

Enable

Power good

Input

BOOT

GOOD

4.5 V to 15 V

OUT

SiP12117

GND

Fig. 1 - Typical Application Circuit for SiP12117

S17-0307-Rev. B, 06-Mar-17

Document Number: 62973

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...18

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