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HM9804 Datasheet(PDF) 8 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM9804
Description  80V 1A Switching Current Buck PFM LED Constant Current Driver
PDF  11 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM9804 Datasheet(HTML) 8 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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80V 1A Switching Current Buck PFM LED Constant Current Driver
HM9804
Rev 1.1
8
VIN=60V DC
1W LED Series
Vin(V)
Iin(mA)
Vout(V)
Iout(mA)
Fosc(KHz)
Effiency(%)
3*2
59.96
115
9.95
609
24.1
87.88
4*2
59.96
148
13.22
605
29.0
90.13
5*2
59.96
180
16.53
600
33.0
91.89
6*2
59.96
211
19.73
596
35.9
92.95
7*2
59.95
242
22.98
592
38.0
93.77
8*2
59.95
271
26.18
587
39.0
94.59
VIN=72V DC
1W LED Series
Vin(V)
Iin(mA)
Vout(V)
Iout(mA)
Fosc(KHz)
Effiency(%)
3*2
72.08
97
9.86
615
24.2
86.73
4*2
72.07
124
13.12
611
29.4
89.70
5*2
72.06
151
16.43
606
34.0
91.50
6*2
72.05
178
19.66
603
37.7
92.44
7*2
72.04
204
22.90
598
40.7
93.18
8*2
72.04
229
26.11
594
43.0
94.01
Figure8.
HM9804 System efficiency curve
Shenzhen H&M Semiconductor Co.Ltd
http：//www.hmsemi.com



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