adum1230 Analog Devices, Inc., adum1230 Datasheet - Page 9

• Manufacturer Part Number: adum1230
• Description: Isolated Half-bridge Driver, 0.1 A Amp Output
• Manufacturer: Analog Devices, Inc.

TYPICAL APPLICATION USAGE
The ADuM1230 is intended for driving low gate capacitance
transistors (200 pF typically). Most high voltage applications
involve larger transistors than this. To accommodate these
situations, users can choose either a gate driver with a stronger
output stage or the buffer configuration with the ADuM1230, as
shown in Figure 14. In many cases, the buffer configuration is
the less expensive of the two options and provides the greatest
amount of design flexibility. The precise buffer/high voltage
transistor combination can be selected to fit the application’s
needs.
GND
V
GND
GND
DDA
V
GND
V
V
DDA
A
DDA
DDA
AND GND
AND V
A
B
A
/V
/GND
/GND
/V
/V
Figure 12. Common-Mode Transient Immunity Waveforms—Between Outputs
/GND
Figure 11. Common-Mode Transient Immunity Waveforms—Input to Output
DDB
DDB
DDB
GND
V
B
B
DDB
DD1
B
B
1
15V
Figure 13. Transient Immunity Waveforms—Output Supplies
15V
15V
5V
¨V
¨V
¨t
¨t
¨V
DD
¨t
Rev. A | Page 9 of 12
15V
15V
GND
V
GND
GND
GND
DDA
V
V
V
A
DDA
DDA
DDA
A
AND GND
B
A
AND V
/GND
/GND
/GND
/V
/V
/V
DDB
DDB
DDB
GND
V
B
B
B
DDB
DD1
B
1
15V
¨V
¨t
15V
5V
¨V
¨t
V
V
V
GND
15V
DD1
IA
IB
ADuM1230
1
GND
GND
V
V
V
V
DDA
DDB
OA
OB
15V
A
B
15V
Figure 14.
FLOATING
V
FLOATING
V
DDA
DDB
ADuM1230
+HV
–HV