TOP250 datasheet(1/6 Pages) KEXIN

部件名	TOP250

功能描述	TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart,Integrated Off-line Switcher

PDF	6 Pages

Scroll/Zoom	100%

制造商	KEXIN [Guangdong Kexin Industrial Co.,Ltd]

网页	http://www.kexin.com.cn/index.asp

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SMD Type

Integrate Circuit

S

G

D

TOPSwitch -GX Family Extended Power, Design

Flexible, EcoSmart,Integrated Off-line Switcher

TOP250

■ Features

● Extended power range to 290 W

● Features eliminate or reduce cost of external components

● Fully integrated soft-start for minimum stress/overshoot

● Externally programmable accurate current limit

● Wider duty cycle for more power, smaller input capacitor

● Line under-voltage (UV) detection: no turn off glitches

● Line overvoltage (OV) shutdown extends line surge limit

● Line feed forward with maximum duty cycle (DCMAX)

reduction rejects line ripple and limits DCMAX at high line

● Frequency jittering reduces EMI and EMI filtering costs

● Regulates to zero load without dummy loading

● 132 kHz frequency reduces transformer/power supply size

● Half frequency option in Y/R/F packages for video applications

● Hysteretic thermal shutdown for automatic fault recovery

● Large thermal hysteresis prevents PC board overheating

■ Absolute Maximum Ratings Ta = 25℃

Parameter

Symbol

Rating

Unit

DRAIN Voltage

VD

-0.3 to 700

V

DRAIN Peak Current

ID

10.08

A

CONTROL Voltage

VCON

- 0.3 V to 9

V

CONTROL Current

ICON

100

mA

Thermal Resistance Junction-Ambient

RθJA

45

℃/W

Junction Operating Temperature

Tj

-40 to 150

℃

Storage Temperature

Tstg

-65 to 150

℃

Functional Block Diagram

■

PI-2631-061200

SHUTDOWN/

AUTO-RESTART

PWM

COMPARATOR

CLOCK

SAW

CONTROLLED

TURN-ON

GATE DRIVER

CURRENT LIMIT

COMPARATOR

INTERNAL UV

COMPARATOR

INTERNAL

SUPPLY

5.8 V

4.8 V

SOURCE (S)

S

R

Q

DMAX

STOP SOFT-

START

-

+

CONTROL (C)

MULTI-

FUNCTION (M)

-

+

5.8 V

IFB

RE

ZC

VC

+

-

LEADING

EDGE

BLANKING

÷ 8

1

HYSTERETIC

THERMAL

SHUTDOWN

SHUNT REGULATOR/

ERROR AMPLIFIER

+

-

DRAIN (D)

ON/OFF

SOFT

START

DCMAX

VBG

DCMAX

VBG + VT

0

OV/UV

VI (LIMIT)

CURRENT

LIMIT

ADJUST

LINE

SENSE

SOFT START

LIGHT LOAD

FREQUENCY

REDUCTION

STOP LOGIC

OSCILLATOR WITH JITTER

M

S

Control

S

D

S

类似零件编号 - TOP250

制造商	部件名	数据表	功能描述
Power Integrations, Inc...	TOP250	449Kb / 52P	TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
	TOP250	3Mb / 54P	Extended Power, Design Flexible, EcoSmart, Integrated Off-Line Switcher October 2020
	TOP250F	449Kb / 52P	TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
	TOP250F	2Mb / 52P	TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
	TOP250F	2Mb / 52P	Extended Power, Design Flexible EcoSmart, Integrated Off-line Switcher

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