IRCS2277S datasheet(10/20 Pages) IRF

10 / 20 page

Data Sheet rev 0.2

IRCS2277S

www.irf.com

page

10/20

May 5

th, 2005

The following table shows the names of these components on board.

VS DIODE

D12

VS ZENER

VINM DIODE

D11

VINM ZENER

VINP DIODE

D10

VINP ZENER

RVINP

R14

R21

RVINM

R15

R22

NOTE: It must be noticed that during bootstrap filling, voltage will be developed across Rboot**. It is important

in that case to evaluate the voltage difference between VS and VINP/VINM, that must stay in the maximum

operating condition specified by the data sheet of the IR2277S. Filter capacitors (see next par.) across

VINP/VINM and VS may help in staying in the specified voltage range,

RC filter on VINP and VINM

High frequency filter capacitors are located at VINP and VINM pins. They can be placed either in common

mode (across pins and VS) or in differential mode (between VINP and VINM).

VCC

VSS

Rboot

15V

CVCC

DC+

Phase

Rvinp

Rvinm

Shunt

VINP

VINM

CCP

CCM

Figure 6: VIN filter

The following table shows the names of these components on board.

CCP

C16

C23

CCM

C10

C17

C24

Use C9

and C10

pads

Use C16

and C17

pads

Use C23

and C24

pads

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