Data Sheet rev 0.2

IRCS2277S

www.irf.com

page

9/20

May 5

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

U

V

W

C5

C12

C19

C7

C15

C22

C8

C14

C21

R6

R13

R20

R9

R16

R23

G0 and G1 selection

G0 and G1 gain selectors of each IR2277S device can be set by using P2, P3, P6, P7 and P10, P11

jumpers.

Other extra components

These components are provided to make IRMD2277S board as customizable as possible. In many cases

the use of the extra components is not necessary.

Clamping Diode for Vs below ground

absolute maximum ratings. The pins voltage is clamped to the maximum value allowed by a zener diode.

VCC

VSS

**

15V

DC+

Phase

Clamping

structure with

zener diode

Shunt

Figure 5: undershoot clamp