ICE2PCS01 Infineon Technologies, ICE2PCS01 Datasheet - Page 9

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ICE2PCS01

Manufacturer Part Number
ICE2PCS01
Description
IC PFC CONTROLLER CCM 8DIP
Manufacturer
Infineon Technologies
Type
Standalone PFC Controller in Continuous Conduction Moder
Datasheet

Specifications of ICE2PCS01

Package / Case
8-DIP
Mode
Continuous Conduction (CCM)
Frequency - Switching
250kHz
Current - Startup
450µA
Voltage - Supply
11 V ~ 25 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Switching Frequency
136 KHz
Maximum Operating Temperature
+ 150 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
SP000094396

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Figure 8
The rated output power with a minimum V
Due to the internal parameter tolerance, the maximum
power with V
3.4.2
The IC provides a cycle by cycle peak current limitation
(PCL). It is active when the voltage at pin 3 (ISENSE)
reaches -1.04V. This voltage is amplified by OP1 by a
factor of -1.43 and connected to comparator C2 with a
reference voltage of 1.5V as shown in Figure 9. A
deglitcher with 300ns after the comparator improves
noise immunity to the activation of this protection.
Figure 9
3.4.3
Whenever VSENSE voltage falls below 0.6V, or
equivalently V
indicates an open loop condition (i.e. VSENSE pin not
Version 2.2
P
P
OUT
OUT
IC’s
State
Full-wave
Rectifier
I
R1
(
(
INDUCTOR
rated
max
ISENSE
R2
0
Peak Current Limit (PCL)
Open Loop Protection / Input Under
Voltage Protect (OLP)
Normal
Operation
)
P
SOC and PCL Protection as function of
V
Peak Current Limit (PCL)
)
OUT
INMIN
ISENSE
=
OUT
=
(rated)
ICE2PCS01/G
V
V
INMIN
-0.61V -0.75V
is
falls below 20% of its rated value, it
INMIN
Current Limit
×
1.43x
×
------------------ -
R1
------------------ -
R1
1.5V
O P 1
0.75
P
0.61
OUT
SOC
(max)
2
2
C 2
-1.04V
Deglitcher
PCL
300ns
IN
(V
Turn Off
Driver
V
INMIN
ISENSE
) is
9
connected) or an insufficient input voltage V
normal operation. In this case, most of the blocks within
the IC will be shutdown. It is implemented using
comparator C3 with a threshold of 0.6V as shown in the
IC block diagram in Figure 2.
3.4.4
Whenever V
over-voltage protection OVP is active as shown in
Figure 6. This is implemented by sensing the voltage at
pin VSENSE with respect to a reference voltage of
3.15V. A VSENSE voltage higher than 3.15V will
immediately reduce the output duty cycle, bypassing
the normal voltage loop control. This results in a lower
input power to reduce the output voltage V
VSENSE voltage higher than 3.25V will immediately
turn off the gate, thereby preventing damage to bus
capacitor.
3.5
The switching frequency of the PFC converter can be
set with an external resistor R5 at FREQ pin as shown
Figure 10. The pin voltage V
corresponding capacitor for the oscillator is integrated
in the device and the R5/frequency relationship is given
at the “Electrical Characteristic” section. The
recommended operating frequency range is from
50kHz to 250kHz. As an example, a R5 of 33kΩ at pin
FREQ will set a switching frequency F
typically.
Figure 10
Frequency Setting
Over-Voltage Protection (OVP)
OUT
exceeds the rated value by 5%, the
Frequency Versus R
Functional Description
FREQ
ICE2PCS01/G
is typically 1.7V. The
09 October 2007
FREQ
CCM-PFC
SW
of 136kHz
OUT
IN
. A
for

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