ICE1PCS02_07 Datasheet, PDF (3/18 Pages) Infineon Technologies AG – Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM)

CCM-PFC
ICE1PCS02
Standalone Power Factor Correction (PFC)
Controller in Continuous Conduction Mode
ICE1PCS02G
ICE1PCS02
PG-DIP-8
(CCM) with Input Brown-Out Protection
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)
IC_teE_st1PCS02G
PG-DSO-8
Features
Description
• Ease of Use with Few External Components
The ICE1PCS02/G is a 8-pin wide input range controller
• Supports Wide Input Range
IC for active power factor correction converters. It is de-
• Average Current Control
signed for converters in boost topology, and requires few
• External Current and Voltage Loop Compensation external components. Its power supply is recommended
for Greater User Flexibility
to be provided by an external auxiliary supply which will
• Trimmed internal fixed Switching Frequency
switch on and off the IC.
(65kHz+7.7% at 25^oC)
The IC operates in the CCM with average current control,
• Direct sensing, Input Brown-Out Detection
and in DCM only under light load condition. The switching
with Hysteresis
frequency is trimmed and fixed internally at 65kHz. Both
• Short Startup(SoftStart) duration
current and voltage loop compensations are done exter-
• Max Duty Cycle of 97% (typ)
nally to allow full user control.
• Trimmed Internal Reference Voltage (5V+2%) There are various protection features incorporated to en-
• VCC Under-Voltage Lockout
sure safe system operation conditions. The internal refer-
• Cycle by Cycle Peak Current Limiting
ence is trimmed (5V+2%) to ensure precise protection and
• Over-Voltage Protection
output control level.
• Open Loop Detection
The ICE1PCS02/G is a design variant of ICE1PCS01 to
• Soft Overcurrent Protection
incorporate the new input brown-out protection function
• Enhanced Dynamic Response
and optimised to have a faster startup time with controlled
• Fulfills Class D Requirements of IEC 1000-3-2 peak startup current.
85 ... 265 VAC EMI-Filter
Typical Application
Auxiliary Supply
VCC
V_OUT
CCM PFC
ICE1PCS02 /G
VINS
Brown-out
Protection Unit
GATE
PWM Logic
Driver
Voltage Loop
Compensation
VSENSE
ICOMP
Fixed
Oscillator
Ramp
Generator
Current Loop
Compensation
Nonlinear
Gain
ISENSE
GND
VCOMP
Type
ICE1PCS02
ICE1PCS02G
Version 1.2
Package
PG-DIP-8
PG-DSO-8
3
06 Feb 2007