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ICE3B2065J Datasheet(PDF) 17 Page - Infineon Technologies AG

Part No. ICE3B2065J
Description  Off-Line SMPS Current Mode Controller with integrated 650V CoolMOS® and Startup cell (frequency jitter Mode) in DIP-8 Product Highlights
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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ICE3B2065J Datasheet(HTML) 17 Page - Infineon Technologies AG

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CoolSET®-F3R
ICE3Bxx65J
Version 2.7
17
9 May 2012
4.3.2
Internal Voltage Reference
4.3.3
PWM Section
4.3.4
Control Unit
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Trimmed Reference Voltage
VREF
4.90
5.00
5.10
V
measured at pin FB
IFB = 0
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Fixed Oscillator Frequency
fOSC3
58
67
76
kHz
fOSC4
62
67
74.5
kHz
Tj = 25°C
Frequency Jittering Range
fdelta
-
±2.7
-
kHz
Tj = 25°C
Max. Duty Cycle
Dmax
0.70
0.75
0.80
Min. Duty Cycle
Dmin
0
-
-
VFB < 0.3V
PWM-OP Gain
A
V
3.0
3.2
3.4
Max. Level of Voltage Ramp
V
Max-Ramp
-
0.6
-
V
VFB Operating Range Min Level VFBmin
-
0.5
-
V
VFB Operating Range Max level VFBmax
-
-
4.3
V
CS=1V limited by
Comparator C41)
1)
This parameter is not subject to production test - verified by design/characterization
Feedback Pull-Up Resistor
RFB
9
14
22
kW
Soft-Start Pull-Up Resistor
RSoftS
30
45
62
kW
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Deactivation Level for SoftS
Comparator C7 by C2
VSoftSC2
2.98
3.10
3.22
V
VFB = 5V
Clamped VSoftS Voltage during
Burst Mode
VSoftSclmp_bm 2.88
3.00
3.12
V
Activation Limit of
Comparator C3
VSoftSC3
3.85
4.00
4.15
V
VFB = 5V
SoftS Startup Current
ISoftSstart
-
0.9
-
mA
VSoftS = 0V
Over Load & Open Loop
Detection Limit for
Comparator C4
VFBC4
4.33
4.50
4.67
V
VSoftS = 4.5V
Active Burst Mode Level for
Comparator C5
VFBC5
1.23
1.35
1.43
V
VSoftS = 4.5V
Active Burst Mode Level for
Comparator C6a
VFBC6a
3.48
3.61
3.76
V
After Active Burst
Mode is entered


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