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CXA3537EN データシート(PDF) 2 Page - Sony Corporation

部品番号 CXA3537EN
部品情報  Fan Motor Driver Adopting the Power-saving DDC Drive System
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メーカー  SONY [Sony Corporation]
ホームページ  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA3537EN データシート(HTML) 2 Page - Sony Corporation

  CXA3537EN Datasheet HTML 1Page - Sony Corporation CXA3537EN Datasheet HTML 2Page - Sony Corporation  
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background image
0.2
0.0
Speed of fan motor rotation [rpm]
0.4
0.6
0.8
1.0
1.2
1.4
DDC system
This system achieves a 34%
reduction in power consumption with
only a 6% drop in motor speed.
CXA3537: This device allows one
of four motor speeds to be selected
by switching the taps.
Conventional single-phase
full-wave drive
(a) Hole signal
(b) Drive current
Rotor rotation angle
(electrical angle) [deg]
(c) Drive torque
The drive current is
always applied.
(a) Hole signal
(b) Drive current
Rotor rotation angle
(electrical angle) [deg]
(c) Drive torque
The drive current is only applied
when good efficiency can be obtained.
s Figure 1 Operating Waveforms of a Conventional
Single-phase Full-wave Drive
s Figure 3 Power-saving Effects of a DDC
System Drive and Variable-speed
Function (Experimentally verified
results)
s Figure 2 Operating Waveforms of a DDC System Drive
12
11
10
9
8
7
1
2
3
4
5
6
Open/short
Jumper selector
CXA3537EN
C1
C3
R2
R1
VCC
C2
FG
LOAD
GND
s Figure 4 CXA3537EN Application Circuit
s Figure 5 CXA3537EN Package Dimensions (Provisional)
0.8
+0.1
–0.05
1
6
12
7
3.5
0.5


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