UP3861P datasheet(4/17 Pages) UPI

Part #	UP3861P

Description	Dual Channel Interleaved Synchronous-Rectified Buck Controller

Download	17 Pages

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Manufacturer	UPI [uPI Group Inc.]

Direct Link	http://www.ubiq-semi.com/

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4 / 17 page

uP3861P

4

uP3861P-DS-F0002, Feb. 2018

www.upi-semi.com

Functional Block Diagram

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Functional Pin Description

Gate

Control

Logic

Amplifier

2

Error

Oscillator

PWM1

COMP2

BOOT1

UG1

PH1

LG1

Comparators

PWM

Soft Start

FB2

Internal

Regulator

VCC12

VREF

POR

PWM2

BOOT2

UG2

LG2

RT

SS/EN

Gate

Control

Logic

PH2

PGND

Amplifier

1

Error

VREF

COMP1

FB1

OCP 2

VREF

OCSET2

OVP 2

1.2V

UVP 2

0.5V

PGND

OCP 1

OCSET1

OVP 1

30uA

5VDD

0.5V

1.2V

IOCSET

UVP 1

SEQ

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