2PCS02 datasheet(3/20 Pages) INFINEON

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CCM-PFC

ICE2PCS02

ICE2PCS02G

Version 2.4

22 Mar 2010

Type

Package

ICE2PCS02

PG-DIP-8

ICE2PCS02

PG-DSO-8

Standalone Power Factor Correction (PFC)

Controller in Continuous Conduction Mode

(CCM) with Input Brown-Out Protection

ICE2PCS02

PG-DIP-8

ICE2PCS02G

PG-DSO-8

Product Highlights

•

Leadfree DIP and DSO Package

•

Wide Input Range

•

Direct sensing, Input Brown-Out Detection

•

Optimized for applications which require fast Startup

•

Output Power Controllable by External Sense Resistor

•

Fast Output Dynamic Response during Load Jumps

•

Trimmed, internal fixed Switching Frequency (65kHz)

Features

•

Ease of Use with Few External Components

•

Supports Wide Input Range

•

Average Current Control

•

External Current and Voltage Loop Compensation

for Greater User Flexibility

•

Trimmed internal fixed Switching Frequency

(65kHz+5% at 25

oC)

•

Direct sensing, Input Brown-Out Detection

with Hysteresis

•

Short Startup(SoftStart) duration

•

Max Duty Cycle of 95% (at 25

oC)

•

Trimmed Internal Reference Voltage (3V+2% at

oC)

•

VCC Under-Voltage Lockout

•

Cycle by Cycle Peak Current Limiting

•

Output Over-Voltage Protection

•

Open Loop Detection

•

Soft Overcurrent Protection

•

Enhanced Dynamic Response

•

Fulfills Class D Requirements of IEC 1000-3-2

Description

The ICE2PCS02/G is a 8-pin wide input range controller

IC for active power factor correction converters. It is de-

signed for converters in boost topology, and requires few

external components. Its power supply is recommended

to be provided by an external auxiliary supply which will

switch on and off the IC.

The IC operates in the CCM with average current control,

and in DCM only under light load condition. The switching

frequency is trimmed and fixed internally at 65kHz. Both

current and voltage loop compensations are done exter-

nally to allow full user control.

There are various protection features incorporated to en-

sure safe system operation conditions. The internal refer-

ence is trimmed (3V+2%) to ensure precise protection and

output control level.

85 ... 265 V A C

E M I-Filter

V oltage Loop

C om pensation

Protection U nit

Fixed

O scillator

C urrent Loop

C om pensation

P W M Logic

D river

IC E 2P C S 02 /G

C C M PF C

V C C

Auxiliary S upply

O U T

T yp ical A pp lication

R am p

G enerator

IC O M P

V S E N S E

V C O M P

IS E N S E

G N D

N onlinear

G ain

G A TE

V IN S

B row n-out

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