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Miniature Analog Amplifier for Extreme Environmental Conditions |
Halls Feedback, Current mode, PWM servo amplifier for trapezoidal commutation | |
Although extremely compact, the Butterfly can withstand extended environmental conditions and support up to 15 amps. This high power density servo amplifier
can deliver up to 2800W of peak power or 1400W of continuous power in a matchbox size package
weighing only 1.6 oz (45 g). The servo amplifier offers significant operating features including
excellent output linearity and zero dead band performance. The Butterfly is a PCB mounted device
which enables efficient and cost saving implementation. |
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Feature |
Units |
15/48 |
5/60 |
10/60 |
15/60 |
2.5/100 |
5/100 |
10/100 |
15/100 |
Minimum supply voltage |
VDC |
11 |
11 |
20 |
Nominal supply voltage |
VDC |
42 |
50 |
85 |
Maximum supply voltage |
VDC |
48 |
59 |
95 |
Maximum continuous power output |
W |
700 |
280 |
570 |
850 |
230 |
460 |
920 |
1400 |
Efficiency at Rated Power (at nominal conditions) |
% |
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 |
15 |
5 |
10 |
15 |
2.5 |
5 |
10 |
15 |
Peak current limit |
A |
2 x Ic |
Weight |
g (oz) |
45 g (1.6 oz) |
Dimensions |
mm (in) |
55 x 15 x 46.5 (2.2" x 0.6" x 1.8") |
Mounting method |
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PCB mount |
| Product
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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| Downloads: |
| Standards |
| Butterfly Documentation |
| Application Notes |
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