ICE2PCS04G Infineon Technologies, ICE2PCS04G Datasheet - Page 8

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ICE2PCS04G

Manufacturer Part Number
ICE2PCS04G
Description
IC PFC CONTROLLER CCM DSO8
Manufacturer
Infineon Technologies
Datasheet

Specifications of ICE2PCS04G

Mode
Continuous Conduction (CCM)
Frequency - Switching
133kHz
Current - Startup
450µA
Voltage - Supply
11 V ~ 25 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
DSO-8
Switching Frequency
133 KHz
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ICE2PCS04G
ICE2PCS04GTR
SP000366375
SP000718528

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.
Figure 5
3.4
The IC provides several protection features in order to
ensure the PFC system in safe operating range:
After the system is supplied with the correct level of
VCC and V
of operation. Figure 6 shows situation when these
protections features are active, as a function of the
output voltage V
An activation of the UVLO, IBOP and OLP results in the
internal fault signal going high and brings the IC into the
standby mode.
As the function of UVLO has already described in the
earlier “Power Supply” section, the following sections
continue to describe the functionality of these
protection features.
Version 2.0
av(I
V
VCC Undervoltage Lockout (UVLO)
Input Brown-out Detection (IBOP)
Soft Over Current Control (SOC)
Peak Current Limit (PCL)
Open-Loop Detection (OLP)
Output Over-Voltage Protection (OVP)
OUT
IN
)
VCOMP
95%rated
83%rated
Level-shifted VCOMP
System Protection
Max Vcomp current
IN
Startup with controlled maximum current
, the system will enter into its normal mode
Window Detect
OUT
.
Normal Control
V
OUT
=rated
t
t
8
Figure 6
3.4.1
Brown-out occurs when the input voltage V
the minimum input voltage of the design (i.e. 85V for
universal input voltage range) and the VCC has not
entered into the V
IBOP, the boost converter will increasingly draw a
higher current from the mains at a given output power
which may exceed the maximum design values of the
input current.
ICE2PCS04/G provides a new IBOP feature whereby it
senses directly the input voltage for Input Brown-Out
condition via an external resistor/capacitor/diode
network as shown in Figure 7. This network provides a
filtered value of V
voltage at pin 4 (VINS) is more than 1.5V. The IC enters
into the standby mode when VINS goes below 0.71V.
The hysteresis prevents the system to oscillate
between normal and standby mode. Note also that V
needs to at least 20% of the rated V
overcome OLP and powerup the system.
Figure 7
85 ... 265 VAC
Supply
related
Current
related
Output
related
brown-out
Vin
V
Input Brown-Out Protection (IBOP)
OUT,Rated
OLP
Protection Features
Input Brown-Out Protection (IBOP)
V
OUT
S
R
Brown-Out Detection
CCUVLO
IN
C4
C5
which turns the IC on when the
ICE2PCS04/G
D2 ... D5
Functional Description
UVLO / IBOP
level yet. For a system without
PCL / SOC
1.5V
0.71V
OVP
3.5V
80k
ICE2PCS04/G
C1
10 October 2007
VINS
OUT
C6
IN
in order to
OLP
falls below
108%
100%
D7
R8
R9
20%
t
IN

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