ICE1PCS01G Infineon Technologies, ICE1PCS01G Datasheet - Page 11

• Manufacturer Part Number: ICE1PCS01G
• Description: IC PFC CONTROLLER CCM DSO8
• Manufacturer: Infineon Technologies

Specifications of ICE1PCS01G

• Mode: Continuous Conduction (CCM)
• Frequency - Switching: 133kHz
• Current - Startup: 100µA
• Voltage - Supply: 10.2 V ~ 21 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: DSO-8
• Switching Frequency: 40 KHz to 320 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: ICE1PCS01GNT; ICE1PCS01GXT; SP000081001

Figure 14
3.8.2
Due to the low frequency bandwidth of the voltage loop,
the dynamic response is slow and in the range of about
several 10ms. This may cause additional stress to the
bus capacitor and the switching transistor of the PFC in
the event of heavy load changes.
The IC provides therefore a “window detector” for the
feedback voltage V
Whenever V
by +5%, it will act on the nonlinear gain block which in
turn affect the gate drive duty cycle directly. This
change in duty cycle is bypassing the slow changing
VCOMP voltage, thus results in a fast dynamic
response of V
3.9
The output gate driver is a fast totem pole gate drive. It
has an in-built cross conduction currents protection and
a Zener diode Z1 (see Figure 15) to protect the external
transistor switch against undesirable over voltages.
The maximum voltage at pin 8 (GATE) is typically
clamped at 11.5V.
Version 1.2
ICE1PCS01/G
Full-wave
Retifier
Av(I
From
V
IN
IN
)
PWM Generation
Current Loop
Output Gate Driver
Enhanced Dynamic Response
Voltage Loop
R7
L1
VSENSE
+
OUT
.
Nonlinear
t
Gain
exceeds the reference value (5V)
VSENSE
C4
R6
D1
Gate Driver
at pin 6 (VSENSE).
VCOMP
OTA1
C2
C5
5V
R3
R4
VSENSE
GATE
Vout
11
Figure 15
The output is active HIGH and at VCC voltages below
the under voltage lockout threshold V
drive is internally pull low to maintain the off state.
PWM Logic
HIGH to
turn on
* LV: Level Shift
Gate Driver
Gate Driver
LV
Functional Description
ICE1PCS01/G
Z1
VCC
ICE1PCS01/G
CCUVLO
CCM-PFC
06 Feb 2007
GATE
, the gate
External
MOS