ZXGD3101 Diodes, Inc., ZXGD3101 Datasheet - Page 11

• Manufacturer Part Number: ZXGD3101
• Description: Synchronous Rectifier Controller For Flyback Converters.
• Manufacturer: Diodes, Inc.

Issue 4 - January 2009
© Diodes Incorporated 2009
-600mV
V
V
D
G
V
D
0V
t
NOTE: GATE H AND GATE L ARE CONNECTED
d1
3 kΩ
R
REF
DRAIN
GATEL
REF
Body Diode
Conduction
Figure 5: Timing diagram
Figure 4: Test circuit
BIAS
GATEH GND
tr
ZXGD
3101
transition
voltage
1.8kΩ
R
Zero
BIAS
11
Vcc
R
L
R
H
2200pF
X7 R
C 2
X7R
1μF
C1
t
d2
Vcc
V
GND
tf
G
10 %
90 %
ZXGD3101T8
20mV
-20 mV
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