Peak Diode Recovery dv/dt Test Circuit & Waveforms
DUT
+
V
DS
_
I
SD
L
D r iv e r
R
G
S am e T ype
as DUT
V
DD
V
GS
• d v / d t c o n t r o lle d b y R
G
• I
S D
c o n t r o l l e d b y p u l s e p e r io d
V
GS
( D r iv e r )
G a t e P u ls e W id t h
D = --------------------------
G a t e P u ls e P e r io d
10V
I
F M
, B o d y D io d e F o r w a r d C u r r e n t
I
SD
( DUT )
I
R M
d i/ d t
B o d y D io d e R e v e r s e C u r r e n t
V
DS
( DUT )
B o d y D io d e R e c o v e r y d v / d t
V
SD
V
DD
B o d y D io d e
F o r w a r d V o lt a g e D r o p