SC1205

HIGH SPEED SYNCHRONOUS POWER

MOSFET DRIVER

© 1999 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

PRELIMINARY - December 7, 1999

6

Figure 1 - Timing characteristics while driving a 3nf load at Tamb = 125°C

after CO low to high transition.

Ch1. DRN (phase

node) voltage go-

ing low

Ch2. BG going

high

Cload = 3 nf

C_delay = 0

Ch1. CO input

going high (start

of cycle)

Ch2. BG drive

Ch3. TG drive

Cload = 3 nf

C_delay = 0

Figure 2-Timing characteristics while driving a 3nf load at Tamb = 125°C

after DRN voltage transition to a low voltage (DRN <1V)