ICE2QS03(2009) 查看數據表（PDF） - Infineon Technologies

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ICE2QS03
(Rev.:2009)

Quasi-Resonant PWM Controller

Infineon Technologies 

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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