ICE2QR4780Z Datasheet, PDF (16/21 Pages) Infineon Technologies AG – Off-Line SMPS Quasi-Resonant PWM Controller with integrated 800V CoolMOS® and startup cell in DIP-7

CoolSET^® - Q1
ICE2QR4780Z
Electrical Characteristics
Fixed Switching Frequency in f_sB
Active Burst Mode
39
52
65
kHz
Max. Duty Cycle in Active Burst D_maxB
-
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
V_VCCOVP
V_FBOLP
Over Load or Open Loop
Protection Blanking Time
t_{OLP_B}
Output Overvoltage detection V_ZCOVP
threshold at the ZC pin
Blanking time for Output
Overvoltage protection
t_ZCOVP
Threshold for short winding
protection
V_CSSW
Blanking time for short-windding t_CSSW
protection
Over temperature protection¹⁾ T_jCon
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
-
ms
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 V_VCCOVP
4.3.10
CoolMOS^® Section
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ.
max.
Drain Source Breakdown Voltage
Drain Source On-Resistance
V_(BR)DSS
R_DSon1
800
870
-
Effective output capacitance, energy C_o(er)
-
related
Rise Time
Fall Time
t_rise
-
t_fall
-
-
-
V
-
-
4.7
5.18 W
10.45 11.50 W
12.76 14.04 W
5.8¹⁾
-
pF
30²⁾
-
ns
30²⁾
-
ns
T_j = 25°C
T_j = 110°C
T_j = 25°C
T_j=125°C¹⁾
T_j=150°C¹⁾
at I_D = 0.58A
V_DS = 0V to 480V
1) _{The parameter is not subjected to production test - verified by design/characterization}
2) _{Measured in a Typical Flyback Converter Application}
Version 2.1
16
August 30, 2011