ICE2QR4765 데이터 시트보기 (PDF) - Infineon Technologies

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ICE2QR4765

Off-Line SMPS Quasi-Resonant PWM Controller with integrated 650V Startup Cell/Depletion CoolMOS® In DIP-8

Infineon Technologies 

CoolSET® - Q1

ICE2QR4765

Electrical Characteristics

Fixed Switching Frequency in fsB

Active Burst Mode

Max. Duty Cycle in Active Burst DmaxB

Mode

39

52

65

kHz

-

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

protection

Over temperature protection1)

tCSSW

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 2.1

16

February 5, 2010

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