HT2802D datasheet(1/8 Pages) HOTCHIP

Part #	HT2802D

Description	Built-in 800V power BJT

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	HOTCHIP [Hotchip Technology Co.,Ltd]

Direct Link	http://www.hotchip.com.cn/English/Index/index.html

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1 / 8 page

HT2802D

1/8

High performance primary sensing regulator (PSR)

www.hotchip.com.cn

Ver1.0

TYPICAL APPLICATION CIRCUITRY

GENERAL DESCRIPTION

HT2802D is high performance primary

sensing

regulation

and

monolithic

switching- mode power controller which is

designed

for

small-

power

supply

equipment with current mode control.

Built-in accurate CV/CC control circuit.

High

integration

design,

a

high

performance

power

BJT

and

PFM

controller and full protection circuits in

single

chip,

to

minimize

external

components and save the cost effectively.

HT2802D can be simply designed a

typical

flyback

switch

converter,

the

unique driving technology promotes the

characteristics of withstand voltage and

achieves excellent converting efficiency

FEATURES

◆ Built-in 800V power BJT;

◆ PSR control, eliminates Opto-coupler

and TL431;

◆ Accurate CV/CC control

◆ Hysteresis over-temperature protection

(OTP) circuit

◆ Higher efficiency and meet Level 6

efficiency standards

◆ Output voltage protection (OVP/UVLO)

< 100 mW no-load consumption

◆ Auto-Restart function

◆ Ultra-low start-up current

◆ Good EMC characteristic allows the

simple EMC circuit

APPLICATIONS

◆ Handset/ Wireless Phone Chargers

◆ DSC/ Tablet Chargers

◆ Power Adaptors with limited output

power

VIN

C1

LP NP

VAUX

Naux

RFB1

RFB2

RCS

HV

Driver

CS

FB

GND

NS

VS

Co

VO

IOUT

Vout

±5%

±10%

Iout

OUTput CC/CV VI Characteristic

+

CCPC

CPC

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HT2802D Datasheet(PDF) 1 Page - Hotchip Technology Co.,Ltd

HT2802D Datasheet(HTML) 1 Page - Hotchip Technology Co.,Ltd

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