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參數(shù)資料
| 型號(hào)： | HV9906DB3 |
| 廠商： | SUPERTEX INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Off-Line PFC Current Source Controller |
| 中文描述： | 0.7 A POWER FACTOR CONTROLLER WITH POST REGULATOR, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 445K |
| 代理商： | HV9906DB3 |
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com
9 07/23/02
HV9906
Application Information
Universal Input Non-Isolated Constant 10mA Average Current LED Lamp Power Supply
PS
GATE
NS
+Vin
Vdd
AGND
HV9906
1mH
220uH
Optional
12VDC to 400VDC
or
65VAC to 280VAC
1 to 8
LEDs
250
VN2460N8
1uF
to
6.8uF
0.01uF
10mA
PGND
0.1uF
400V
C1
D1
D2
D4
D3
C2
L1
L2
C3
C4
MURS120T3
D6
D7
R5
M1
U1
1N4007
D5
MURS120T3
MURS120T3
R1
8M
R2
100k
R3
700k
R4
200k
Von
-
+
This circuit provides a constant average current output, which may
be used to power LED lamps. The circuit maintains a constant
average current and the value of C4 capacitor controls the peak-to-
peak ripple, which decreases with increasing capacitor value.
If current ripple is permissible then C4 may be omitted.
Universal Input Non-Isolated Constant 0.5A Average Current LED Lamp Power Supply
PS
GATE
NS
+Vin
Vdd
AGND
HV9906
56uH
15uH
Optional
12VDC to 400VDC
or
65VAC to 280VAC
100
IRFBC30AF
1uF
to
6.8uF
0.033uF
PGND
0400V
C1
D1
D2
D4
D3
C2
L1
L2
C3
C4
MURS160
D6
D7
R5
M1
U1
1N4007
D5
MURS160
MURS160
R1
8M
R2
100k
R3
900k
R4
300k
Von
LED-1
20mA
LED-9
Row 1
LED-1
20mA
LED-9
Row 2
LED-10
Row 2
LED-1
20mA
LED-10
Row 3
LED-9
Row 3
LED-1
20mA
LED-9
Row 25
LED-10
Row 25
Q1
Q2
Q3
Q25
NPN Bipolar Transistor Array or Matched 2N2222
Negative Voltage
-
+
This circuit provides 0.5A constant average current output to power
249 LEDs , each operating at 20mA to form a large LED lamp or
array. The circuit maintains a constant average current and the
value of C4 capacitor controls the peak-to-peak ripple, which
decreases with increasing capacitor value.
If current ripple is permissible then C4 may be omitted.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HV9906DB4 | 功能描述:電源管理IC開發(fā)工具 HV9906 DEMO BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV9906DB5 | 功能描述:電源管理IC開發(fā)工具 HV9906 DEMO BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV9906DB6 | 功能描述:電源管理IC開發(fā)工具 HV9906 Demo Brd RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV9906DB7 | 功能描述:電源管理IC開發(fā)工具 HV9906 Demo Brd RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV9906DB8 | 功能描述:電源管理IC開發(fā)工具 HV9906 Demo Brd RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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