ICE3BR2565JF Просмотр технического описания (PDF) - Infineon Technologies

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ICE3BR2565JF

Off-Line SMPS Current Mode Controller

Infineon Technologies 

CoolSET®-F3R

ICE3BR2565JF

Electrical Characteristics

4.3.2

Internal Voltage Reference

Parameter

Symbol

Trimmed Reference Voltage

VREF

min.

4.90

Limit Values

typ.

max.

5.00 5.10

Unit Test Condition

V

measured at pin FB

IFB = 0

4.3.3

PWM Section

Parameter

Fixed Oscillator Frequency

Frequency Jittering Range

Frequency Jittering period

Max. Duty Cycle

Min. Duty Cycle

PWM-OP Gain

Voltage Ramp Offset

Symbol

fOSC1

fOSC2

fjitter

Tjitter

Dmax

min.

58

62

-

-

0.70

Limit Values

typ.

max.

67

75

67

74.5

±2.7 -

4.0

-

0.75 0.80

Dmin

0

-

-

AV

3.1

3.3

3.5

VOffset-Ramp

-

0.68 -

Unit

kHz

kHz

kHz

ms

V

Test Condition

Tj = 25°C

Tj = 25°C

Tj = 25°C

VFB < 0.3V

VFB Operating Range Min Level VFBmin

-

VFB Operating Range Max level VFBmax

-

FB Pull-Up Resistor

RFB

9

0.5

-

V

-

4.3

V

CS=1V, limited by

Comparator C41)

15.4 22

kΩ

1) The parameter is not subjected to production test - verified by design/characterization

4.3.4

Soft Start time

Parameter

Soft Start time

Symbol

tSS

min.

-

Limit Values

typ.

max.

20.0 -

Unit Test Condition

ms

VFB > 4.0V

Version 2.0

21

11 Sep 2008

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