3BR1765JZ Ver la hoja de datos (PDF) - Infineon Technologies

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componentes Descripción

Lista de partido

3BR1765JZ

Off-Line SMPS Current Mode Controller

Infineon Technologies 

ICE3BR1765JZ

Electrical Characteristics

4.3.2

Internal Voltage Reference

Parameter

Trimmed Reference Voltage

Symbol

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

Symbol

fOSC1

fOSC2

fjitter

Tjitter

Dmax

Dmin

AV

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

0

-

-

3.1

3.3

3.5

Test Condition

Tj = 25°C

Tj = 25°C

Tj = 25°C

VFB < 0.3V

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

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

Limit Values

Unit Test Condition

min. typ.

max.

-

20.0 -

ms

Version 2.0

21

12 Nov 2009

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