ICE1CS02 datasheet(21/27 Pages) INFINEON

21 / 27 page

Combi PFC/ PWM Controller

ICE1CS02

Electrical Characteristics

Version 1.0

25 July 2008

4.3.2

Internal Voltage Reference

4.3.3

PWM Control Loop Section

4.3.4

PWM Brown Out Section

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

typ.

max.

Output Reference Voltage

VVREF0A

4.85

5.00

5.20

IVREF=-0mA

Load Regulation

∆V

VREF12mA

252

IVREF=-12mA1)

max pulling current depends on max operating junction temperature

Line Regulation

∆V

VREFDVCC

∆V

CC=3V

Maximum Source Current

IVREF

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

typ.

max.

PWM-OP Gain

3.0

3.2

3.6

Max. Level of Voltage Ramp

VMax-Ramp

-0.6

VFB Operating Range Min Level VFBmin

0.3

0.4

VFB Operating Range Max level VFBmax

4.3

CS=1V limited by

Comparator C101)

This parameter is not subject to production test - verified by design/characterization

Feedback Pull-Up Resistor

RFB

11.3

17.4

22.7

Ω

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

typ.

max.

PWM BrownOut ON Threshold

VPWM_BOon

1.87

1.95

2.03

PWM BrownOut OFF Threshold VPWM_BOoff

2.75

2.85

2.95

Blanking time for BrownOut

Turn_On

tbkPWM_BOon

-50-

µs

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