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MA7220 Datasheet(PDF) 4 Page - Major-Power Technology Co., LTD.

No. de pieza MA7220
Descripción Electrónicos  Complementary Output Hall Effect Fan Driver
PDF  6 Pages
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Fabricante Electrónico  MPOWER [Major-Power Technology Co., LTD.]
Página de inicio  http://major-power.com.tw/
Logo MPOWER - Major-Power Technology Co., LTD.

MA7220 Datasheet(HTML) 4 Page - Major-Power Technology Co., LTD.

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MA7220
Major Power Technology Co., Ltd.
Rev.1.2a Nov.09, 2017
APPLICATION CIRCUIT
MA7220
1
4
3
2
VDD
24V
L2
GND
D1
L1
DOB
DO
C1
C2
R1
200~500R
R3
R2
C2
C3
24V brush-less DC fan
Note1: C2(Optional) is for power stabilization, Recommended E-Cap 2.2uF/50V and D1
(Optional) is a reverse protect diode.
Note2: R1(1/8W 0805) and C1(100nF) : Enhance the reliability during hot swap.
Note3: Recommended to use a 47 ohm for R2 & R3 and a 1uF E-Cap for C2 & C3. These
values may need to be optimized depending on the coil used.
PERFORMANCE CHARACTERISTICS
TA (C)
25
50
60
70
80
85
90
95
100
PD (mW)
550
440
396
352
308
286
264
242
220
TA (C)
105
110
115
120
125
130
135
140
150
PD (mW)
198
176
154
132
110
88
66
44
0



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