ICE3BR4765JZ Просмотр технического описания (PDF) - Infineon Technologies

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ICE3BR4765JZ

Off-Line SMPS Current Mode Controller with integrated 650V CoolMOS® and Startup cell (frequency jitter Mode) in DIP-7

Infineon Technologies 

ICE3BR4765JZ

Electrical Characteristics

4.3.2

Internal Voltage Reference

Parameter

Trimmed Reference Voltage

Symbol

VREF

Limit Values

min. typ.

max.

4.90 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

Symbol

fOSC1

fOSC2

fjitter

Tjitter

Dmax

Limit Values

Unit

min. typ.

max.

56.5 65.0 73.5 kHz

59.8 65.0 70.2 kHz

-

±2.6 -

kHz

-

4.0

-

ms

0.70 0.75 0.80

Test Condition

Tj = 25°C

Tj = 25°C

Tj = 25°C

Min. Duty Cycle

Dmin

0

-

-

VFB < 0.3V

PWM-OP Gain

AV

3.1

3.3

3.5

Voltage Ramp Offset

VOffset-Ramp

-

0.67 -

V

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

kW

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

Limit Values

min. typ.

max.

-

20.0 -

Unit Test Condition

ms

Version 2.1

21

30 Aug 2011

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