EN5312Q 데이터 시트보기 (PDF) - Unspecified

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EN5312Q

Fully Integrated Voltage Mode Synchronous Buck PWM DC-DC Converter Module

Unspecified 

Rev. 0.87 – January 2006

1.4V. Any level between these two values is

indeterminate.

Functional Block Diagram

ENABLE

Ramp Control

Soft Start

UVLO

Thermal Limit

Current Limit

(-)

PWM

Comp

(+)

Sawtooth

Generator

EN5312Q

AGND (Bottom thermal/ground pad): System

ground for single point grounding. Also functions

as thermal pad to remove heat from package.

Connect to surface or PWB internal ground plane.

VIN

P-Drive

N-Drive

VOUT

VSENSE

Figure 4. Functional block diagram.

(-)

Error

Amp

(+)

VREF

DAC

Switch

VFB

Voltage

Select

Package Boundry

VS0 VS1 VS2

Rev. 0.87 – January 2006

4

www.enpirion.com

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