AUIPS1051L / AUIPS1052G

6

www.irf.com

© 2013 International Rectifier

June 3, 2013

Figure 1 – Timing diagram

All curves are typical values. Operating in the shaded area is not recommended.

Vds

Ids

Vin

IN

D

S

R

L

0V

5V

14V

+

-

V load

Rem : During active clamp,

Vload is negative

Tj

Isd

Tsd

165°C

Ids

Vin

Ishutdown

Tshutdown

t<T reset

t>T reset

Vdiag

fault

normal

Vds

Ids

Vin

Tr-in

80%

20%

80%

20%

Td on

Tr

Td off

Tf

Figure 2 – IN rise time & switching definitions

Vds

Ids

Vin

Vcc

Vds clamp

T clamp

See Application Notes to evaluate power dissipation

Figure 3 – Active clamp waveforms

Figure 4 – Active clamp test circuit