ICE2QS03G_14 Datasheet, PDF (21/24 Pages) Infineon Technologies AG – Active burst mode for low standby power

Quasi-Resonant PWM controller
ICE2QS03G
Electrical Characteristics
Fixed Switching Frequency in
Active Burst Mode
f_sB
39
52
65
kHz
Max. Duty Cycle in Active
Burst Mode
D_maxB
-
0.5
-
4.3.9 Protection
Parameter
Symbol
Limit Values
min. typ. max.
Unit Test Condition
VCC overvoltage threshold
V_VCCOVP
24.0
25.0
26.0
V
Over Load or Open Loop
Detection threshold for OLP
V_FBOLP
-
4.5
-
V
protection at FB pin
Over Load or Open Loop
Protection Blanking Time
t_{OLP_B}
20
30
44
ms
Output Overvoltage detection
threshold at the ZC pin
V_ZCOVP
3.55
3.7
3.84
V
Blanking time for Output
Overvoltage protection
t_ZCOVP
-
100
-
μs
Threshold for short winding
protection
V_CSSW
1.63 1.68 1.78
V
Blanking time for short-winding
protection
t_CSSW
-
190
-
ns
Over temperature protection¹
T_jCon
130
140
150
°C
Power Down Reset threshold
for Latched Mode
V_VCCPD
5.2
-
7.8
V
After Latched Off
Mode is entered
Note : The trend of all the voltage levels in the Control Unit is the same regarding the deviation except
V_VCCOVP & V_VCCPD.
4.3.10 Gate Drive
Parameter
Output voltage at logic low
Output voltage at logic high
Output voltage active shut
down
Rise Time
Fall Time
Symbol
V_GATElow
V_GATEhigh
V_GATEasd
t_rise
t_fall
Limit Values
min. typ. max.
-
-
1.0
9.0
10.0
-
-
-
1.0
-
117
-
-
27
-
Unit Test Condition
V
V_VCC=18V
I_OUT = 10mA
V
V_VCC=18V
I_OUT = -10mA
V
V_VCC = 7V
I_OUT = 10mA
ns
C_OUT = 1.0nF
V_GATE= 2V ... 8V
ns
C_OUT = 1.0nF
V_GATE= 8V ... 2V
Data Sheet
21
V2.3, 2014-03-06