ICE3A View Datasheet(PDF) - Unspecified

Part Name

Description

View to exact match

ICE3A

Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/CoolMOS™

Unspecified 

CoolSET™-F3

4.3.3

Internal Voltage Reference

Parameter

Symbol

Trimmed Reference Voltage

VREF

Electrical Characteristics

min.

6.37

Limit Values

typ.

max.

6.50 6.63

Unit Test Condition

V

measured at pin FB

IFB = 0

4.3.4

PWM Section

Parameter

Fixed Oscillator

Frequency

ICE3Axx65

ICE3Axx65Z

ICE3Axx65I

ICE3Axx65P

Symbol

fOSC1

fOSC2

min.

92

Limit Values

typ.

max.

100

108

94

100

106

Fixed Oscillator ICE3Bxx65 fOSC1

61

67

73

Frequency

ICE3Bxx65I

ICE3Bxx65P fOSC2

63

67

71

Max. Duty Cycle

Min. Duty Cycle

PWM-OP Gain

Voltage Ramp Max Level

VFB Operating Range Min Level

Dmax

Dmin

AV

VMax-Ramp

VFBmin

0.67

0

3.5

-

0.3

0.72

-

3.7

0.85

0.7

0.77

-

3.9

-

-

VFB Operating Range Max level VFBmax

-

-

4.75

FB Pull-Up Resistor

SoftS Pull-Up Resistor

RFB

16

20

27

RSoftS

39

50

62

1) Design characteristic (not meant for production testing)

Unit

kHz

kHz

kHz

kHz

V

V

V

kΩ

kΩ

Test Condition

Tj = 25°C

Tj = 25°C

VFB < 0.3V

CS=1V, limited by

Comparator C41)

Version 1.3

24

15 Sep 2004

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