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ICE2QR4765_12 Datasheet, PDF (16/22 Pages) Infineon Technologies AG – Off-Line SMPS Quasi-Resonant PWM Controller with integrated 650V Startup Cell/Depletion CoolMOS In DIP-8
CoolSET® - Q1
ICE2QR4765
Electrical Characteristics
Fixed Switching Frequency in fsB
Active Burst Mode
39
52
65
kHz
Max. Duty Cycle in Active Burst DmaxB
-
Mode
0.5
-
4.3.9
Protection
Parameter
Symbol
VCC overvoltage threshold
Over Load or Open Loop
Detection threshold for OLP
protection at FB pin
VVCCOVP
VFBOLP
Over Load or Open Loop
Protection Blanking Time
tOLP_B
Output Overvoltage detection
threshold at the ZC pin
VZCOVP
Blanking time for Output
Overvoltage protection
tZCOVP
Threshold for short winding
protection
VCSSW
Blanking time for short-windding tCSSW
protection
Over temperature protection1) TjCon
Limit Values
Unit
min. typ.
max.
24.0 25.0 26.0 V
-
4.5
-
V
20
30
44
ms
3.55 3.7
3.84 V
-
100
-
μs
1.63 1.68 1.78 V
-
190
-
ns
130
140
150
°C
Test Condition
Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except VVCCOVP
4.3.10
CoolMOS® Section
Parameter
Drain Source Breakdown Voltage
Symbol
V(BR)DSS
Limit Values
min. typ.
max.
650 -
-
Unit Test Condition
V
Tj = 110°C
Drain Source On-Resistance
RDSon1
-
4.7
5.44 Ω
10.0 12.5 Ω
Tj = 25°C
Tj=125°C1)
at ID = 0.5A
Effective output capacitance, energy Co(er)
-
related
4.751) -
pF
VDS = 0V to 480V
Rise Time
Fall Time
trise
-
302)
-
ns
tfall
-
302)
-
ns
1) The parameter is not subjected to production test - verified by design/characterization
2) Measured in a Typical Flyback Converter Application
Version 2.3
16
November 14, 2012