ADUM4121 Datasheet, PDF (8/16 Pages) Analog Devices – 2 A peak output current (<2 Ω RDSON)

ADuM4121/ADuM4121-1
TYPICAL PERFORMANCE CHARACTERISTICS
Data Sheet
V_I+
1
V_GATE
2
CH1
CH2
2.0V/DIV
5.0V/DIV
BBWW_::
1.0G
1.0G
A CH1
840mV 40.0ns/DIV 5.0GS/s
200ps/pt
Figure 4. VI+ to VGATE Waveform for 2 nF Load, 3.9 Ω Series Gate Resistor,
VDD2 = 15 V (VGATE Is the Voltage After a Gate Resistor)
V_I–
1
V_I–
1
V_GATE
2
CH1
CH2
2.0V/DIV
5.0V/DIV
BBWW_::
1.0G
1.0G
A CH1
840mV 40.0ns/DIV 5.0GS/s
200ps/pt
Figure 7. VI− to VGATE Waveform for 2 nF Load, 0 Ω Series Gate Resistor,
VDD2 = 15 V
V_DD1
1
V_GATE
2
CH1
CH2
2.0V/DIV
5.0V/DIV
BBWW_::
1.0G
1.0G
A CH1
840mV 40.0ns/DIV 5.0GS/s
200ps/pt
Figure 5. VI− to VGATE Waveform for 2 nF Load, 3.9 Ω Series Gate Resistor,
VDD2 = 15 V
V_I+
1
V_GATE
2
CH1
CH2
2.0V/DIV
5.0V/DIV
BBWW_::
1.0G
1.0G
A CH1
840mV 40.0ns/DIV 5.0GS/s
200ps/pt
Figure 6. VI+ to VGATE Waveform for 2 nF Load, 0 Ω Series Gate Resistor,
VDD2 = 15 V
V_OUT
2
CH1
CH2
2.0V/DIV
5.0V/DIV
BBWW_::
1.0G
1.0G
A CH1
840mV 2.0µs/DIV 5.0GS/s
200ps/pt
Figure 8. Typical VDD1 Delay to Output Waveform, VI+ = VDD1, VI− = GND1
5.0
4.5
VVV_DDDDDD222
=
=
=
15V
10V
5V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
20
40
60
80
100
DUTY CYCLE (%)
Figure 9. IDD2 vs. Duty Cycle, VDD1 = 5 V, Switching Frequency (fSW) = 10 kHz,
2 nF Load
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