Diodes ZXGD3101T8 - Manual (Page 10)

ZXGD3101T8
Issue 4 - January 2009 10 www.zetex.com
© Diodes Incorporated 2009 www.diodes.com
Figure 2 - Example connection for low side synchronous rectification
Figure 3 - Example connection for high side synchronous rectification
S yn ch ro n o u s
FE T, Q syn
T ransform er
+ In
- In
PW M controller
C C M/C rC M/D C M
+ O u t
- O u t
V cc
G N D
D G S
D R A IN
GAT EH GN D
R EF BIAS Vcc
GAT EL
R R E F R
B IA S
ZX G D 3 1 0 1
C1 D1
R4
R clam p
C clam p
Rd D
D cla m p
Optional diode, D f
C snub R snub
Q2
Q p r i
Rd C
T ransform er
+ In
- In
PW M controller
C C M/C rC M/D C M
+ O u t
- O u t
V cc
G N D
D
G
S
D R AIN
GAT EH GN D
R EF BIAS Vcc
GAT EL
R R E F R B IA S
ZX G D 3 1 0 1 C1 D1
R4
R clam p
C clam p
Rd D
D clam p
Q2
Q p r i
Rd C
S yn ch ro n o u s
FE T, Q syn
Optional diode, D f
C sn u b Rsn u b
V A U X
D A U X
C A U X