ICE3PCS01G Datasheet, PDF (19/24 Pages) Infineon Technologies AG – Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM)

CCM-PFC
ICE3PCS01G
4.3.2 Variable Frequency Section
Electrical Characteristics
Parameter
Switching Frequency (Typical)
Symbol
F_SWnom
Limit Values
Min. Typ. Max.
62.5 65 67.5
Unit Test Condition
kHz R5 = 67kΩ
Switching Frequency (Min.)
F_SWmin
-
21
- kHz R5 = 212kΩ
Switching Frequency (Max.)
F_SWmax
-
250
- kHz R5 = 17kΩ
Voltage at FREQ pin
V_FREQ
-
1
-V
Max. Duty Cycle
Dmax
93
95
98.5 %
f_SW=f_SWnom
(R_FRE=67kΩ)
4.3.3 PWM Section
Parameter
Min. Duty Cycle
Min. Off Time
Symbol
D_MIN
T_OFFMIN
Limit Values
Min. Typ. Max.
0
310 600 920
Unit Test Condition
% V_VSENSE= 2.5V
V_ICOMP= 4.3V
ns V_VSENSE= 2.5V
V_ISENSE= 0V
(R5 = 67kΩ)
4.3.4 External Synchronization
Parameter
Detection threshold of external clock
Synchronization range
Synchronization frequency ratio
propagation delay from rising edge of
external clock to falling edge of PFC
gate drive
Allowable external duty on time
Symbol
V_{thr_EXT}
f_{EXT_range}
f_EXT:f_PFC
T_EXT2GATE
Values
Min. Typ. Max.
2.5
50
150
1:1
500
Unit Note / Test Condition
V
kHz
ns f_EXT=65kHz
T_{D_on}
10
70
%
Version 2.0
19
5 May 2010