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ICE2PCS04 Datasheet(PDF) 3 Page - Infineon Technologies AG

Part # ICE2PCS04
Description  Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM) with Input Brown-Out Protection
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

ICE2PCS04 Datasheet(HTML) 3 Page - Infineon Technologies AG

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CCM-PFC
ICE2PCS04
ICE2PCS04G
Version 2.0
3
22 March 2010
Type
Package
ICE2PCS04
PG-DIP-8
ICE2PCS04G
PG-DSO-8
Standalone Power Factor Correction (PFC)
Controller in Continuous Conduction Mode
(CCM) with Input Brown-Out Protection
ICE2PCS04
PG-DIP-8
ICE2PCS04G
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 (133kHz)
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
(133kHz+5% at 25
oC)
Direct sensing, Input Brown-Out Detection
with Hysteresis
Short Startup(SoftStart) duration
Max Duty Cycle of 95% (typ)
Trimmed Internal Reference Voltage (3V+2%)
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 ICE2PCS04/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 133kHz. 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 VAC EMI-Filter
Voltage Loop
Compensation
Protection Unit
Fixed
Oscillator
Current Loop
Compensation
PWM Logic
Driver
CCM PFC
VCC
Auxiliary Supply
V
OUT
Typical Application
Ramp
Generator
ICOMP
VSENSE
VCOMP
ISENSE
GND
Nonlinear
Gain
GATE
VINS
Brown-out
ICE2PCS04/G


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