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Miniature Military Analog Amplifier for Extreme Environmental ConditionsUltra-light current mode servo amplifier for trapezoidal commutation |
| Weighing only 0.76 oz (21.5 g),
the Dragonfly can withstand extended environmental conditions and support up to 3.3 amps. This high power density servo amplifier can deliver up to 480W of peak power
or 240W of continuous power. The servo amplifier offers significant operating features including
excellent output linearity and zero dead band performance. The Dragonfly is a PCB mounted device
which enables efficient and cost saving implementation. |
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Feature |
Units |
3/60 |
2.5/100 |
Minimum supply voltage |
VDC |
11 |
20 |
Nominal supply voltage |
VDC |
50 |
85 |
Maximum supply voltage |
VDC |
59 |
95 |
Maximum continuous power output |
W |
190 |
240 |
Efficiency at rated power |
% |
Up to 99% |
Maximum output voltage |
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93% of DC bus voltage at f=32 kHz |
DC and trapezoidal commutation continuous current limit (Ic) |
A |
3.3 |
2.5 |
Peak current limit |
A |
2 x Ic |
Weight |
g (oz) |
21.5 g (0.76 oz) |
Dimensions |
mm (in) |
51 x 12.5 x 42 (2" x 0.49" x 1.65") |
Mounting method |
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PCB mount |
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Catalog Number |
Feedbacks Supported
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Feature |
Units |
Specification |
PWM switching frequency |
kHz |
32 ± 5% default on motor |
Switching method |
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Advanced Unipolar PWM |
Current loop bandwidth |
kHz |
Up to 4 |
Maximum case temperature |
°C (°F) |
87 °C (188 °F) |
Storage temperature |
°C (°F) |
-40° C – 100°C (-40 °F – 212 °F) |
Ambient temperature |
°C (°F) |
Non-operating: -50 °C to +100 °C (-58 °F to 212 °F) |
Operating: -40 °C to +70 °C (-40 °F to 160 °F) |
Temperature shock |
°C (°F) |
-40 °C to +70 °C (-40 °F to 160 °F) within 3 min |
Maximum humidity |
% |
Non-operating: up to 95% relative humidity non-condensing at 35 °C (95 °F) |
Operating: up to 95% relative humidity non-condensing at 25 °C (77 °F) up to 90% relative humidity non-condensing at 42 °C (108 °F) |
Maximum altitude |
m (ft) |
Non-operating: No limit |
Operating: -400 m to 155,000 m (-1,300 ft to 510,000 ft) |
Vibration |
Hz |
20 Hz - 2000 Hz, 14.6 g |
Mechanical shock |
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Non- operating: ±40 g (1.41 oz), Half sine, 11 msec |
Operating: ±20 g (.71 oz), Half sine, 11 msec |
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An evaluation board that uses standard terminal plugs and
D-sub connectors is available. It is accompanied by documentation
that describes how to set up the board, and by a complete set of cables.
For more information click here
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| Downloads: | | Standards |
| Dragonfly Documentation | | Application Notes |
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