ICE2PCS05_10 Datasheet, PDF (3/20 Pages) Infineon Technologies AG – Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode

CCM-PFC
ICE2PCS05
Standalone Power Factor Correction
(PFC) Controller in Continuous
ICE2PCS05G
ICE2PCS05
PG-DIP-8
Conduction Mode (CCM)
Product Highlights
• Leadfree DIP and DSO Package
• Wide Input Range
• Optimized for applications which require fast Startup
• Output Power Controllable by External Sense Resistor
• Programmable Operating Frequency
• Output Over-Voltage Protection
• Fast Output Dynamic Response during Load Jumps
Features
Description
ICE2PCS05G
PG-DSO-8
• Ease of Use with Few External Components
The ICE2PCS05/G is a 8-pin wide input range controller
• Supports Wide 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
• Programmable Operating/Switching Frequency switch on and off the IC.
(20kHz - 250kHz)
The IC operates in the CCM with average current control,
• Max Duty Cycle of 95% (at 25°C) at 125kHz
and in DCM only under light load condition. The switching
• Trimmed Internal Reference Voltage (3V+2% at frequency is programmable by the resistor at pin 4. Both
25°C)
compensations for the current and voltage loop are exter-
• VCC Under-Voltage Lockout
nal to allow full user control.
• Cycle by Cycle Peak Current Limiting
There are various protection features incorporated to en-
• Output Over-Voltage Protection
sure safe system operation conditions. The internal refer-
• Open Loop Detection
ence is trimmed (3V+2%) to ensure precise protection and
• Enhanced Dynamic Response
control level. The device has a fast startup time with con-
• Short Startup(SoftStart) duration
trolled peak start up current.
• Fulfills Class D Requirements of IEC 1000-3-2
• Soft Overcurrent Protection
•
Typical Application
85 ... 265 VAC EMI-Filter
SWITCH
Auxiliary Supply
VCC
PFC-Controller
ICE2PCS05/
ICE2PCS05G
Protection Unit
V_OUT
GATE
PWM Logic
Driver
Voltage Loop
Compensation
VSENSE
FREQ
ICOMP
Variable
Oscillator
Ramp
Generator
Current Loop
Compensation
Nonlinear
Gain
ISENSE
GND
VCOMP
Type
ICE2PCS05
ICE2PCS05G
Version 1.2
Package
PG-DIP-8
PG-DSO-8
3
22 Mar 2010