CCM-PFC
ICE2PCS02/G
Electrical Characteristics
4.3
Characteristics
Note:
The electrical characteristics involve the spread of values within the specified supply voltage and junction
temperature range TJ from – 40 °C to 125°C.Typical values represent the median values, which are
related to 25°C. If not otherwise stated, a supply voltage of VCC =18V is assumed for test condition.
4.3.1
Supply Section
Parameter
Symbol
Limit Values
Unit Test Condition
min.
typ.
max.
VCC Turn-On Threshold
VCCon
11.4
11.8
12.7
11.7
1.4
V
V
V
VCC Turn-Off Threshold/
Under Voltage Lock Out
VCCUVLO
VCChy
ICCstart
ICCHG
10.4
11.0
0.8
VCC Turn-On/Off Hysteresis
0.65
Start Up Current
-
-
450
10
1100 µA
VVCC=VVCCon -0.1V
Before VCCon
Operating Current with active GATE
Operating Current during Standby
13 mA CL= 4.7nF
ICCStdby
-
700 1300 µA
VVSENSE= 0.5V
VICOMP= 4V
4.3.2
PWM Section
Parameter
Symbol
Limit Values
Unit Test Condition
min.
typ.
max.
Fixed Oscillator Frequency
Max. Duty Cycle
fSW
58
65
70
kHz
%
DMAX
DMIN
92
95
98.5
0
Min. Duty Cycle
%
V
VCOMP= 0V, VVSENSE= 3V
V
ICOMP= 4.3V
Min. Off Time
TOFFMIN
270
400
770
ns
V
VSENSE= 3V
V
ISENSE= 0.1V
Version 2.3
14
9 Oct 2007
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