ICE2QS03(2009) 데이터 시트보기 (PDF) - Infineon Technologies
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ICE2QS03 Datasheet PDF : 19 Pages
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Quasi-Resonant PWM Controller
ICE2QS03
Electrical Characteristics
4.3.8
Active Burst Mode
Parameter
Symbol
Feedback voltage for entering VFBEB
Active Burst Mode
Minimum Up/down value for
entering Active Burst Mode
NZC_ABM
Blanking time for entering Active tBEB
Burst Mode
Feedback voltage for leaving
Active Burst Mode
VFBLB
Feedback voltage for burst-on
Feedback voltage for burst-off
Fixed Switching Frequency in
Active Burst Mode
VFBBOn
VFBBOff
fsB
Max. Duty Cycle in Active Burst DmaxB
Mode
Limit Values
Unit
min. typ.
max.
-
1.25 -
V
7
-
24
-
ms
-
4.5
-
V
-
3.6
-
V
3.0
V
-
52
-
kHz
-
0.5
-
Test Condition
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
-
140
-
0C
Test Condition
Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except VVCCOVP
Version 2.0
16
December 4, 2009
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