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參數(shù)資料
| 型號(hào)： | HV9906P |
| 廠商： | SUPERTEX INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Simple Off-Line/PFC & >9V DC/DC Switcher |
| 中文描述： | POWER FACTOR CONTROLLER, 450 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 10/10頁(yè) |
| 文件大小： | 445K |
| 代理商： | HV9906P |
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com
10 07/23/02
HV9906
Application Information -
continued
Power Factor Corrected Average Current LED Lamp Power Supply
PS
GATE
+Vin
Vdd
AGND
HV9906
80VAC
to
135VAC
PGND
NS
C1
D1
D2
D4
D3
C4
L1
L2
C9
D7
D8
R9
M1
U1
D6
R1
R2
R5
Von
LED-2
Row 1
LED-5
Row 1
LED-2
Row 2
LED-5
Row 2
LED-2
Row 3
LED-5
Row 3
R7
R3
C2
D5
C3
R4
Q1
R6
R8
R10
C5
C7
C8
Negative Voltage
C6
LED-1
Row 1
LED-1
Row 2
LED-1
Row 3
This power factor corrected circuit provides a constant average
current output to power LED lamps.
It is intended to meet the following specifications:
Input Voltage
LED String Forward Voltage 20V
Power Factor
THD
P
80VAC to 135VAC
>0.95
<15%
10W
12V (6 cell) Lead-Acid Battery Charger
PS
GATE
NS
+Vin
Vdd
AGND
HV9906
12VDC to 400VDC
or
65VAC to 280VAC
10uF
PGND
0.1uF
400V
C1
D1
D2
D4
D3
C2
L1
L2
C3
MURS120T3
D6
D7
R6
500
M1
U1
1N4007
D5
MURS120T3
MURS120T3
R5
13.3k
12V
Lead-Acid
Battery
R3
225k
R4
150k
Von
R1
8M
R1
100k
R7
0.5
-
+
This floating battery charger circuit will charge a 6 cell 12V lead-
acid battery to a float voltage of 13.8V and provides a 1A charging
current limit for a severely discharged or shorted battery.
When the discharged battery terminal voltage is at 12V, the
charging current is 130mA. The charging current decreases as the
battery charges and the terminal voltage rises. When the
maximum float voltage of 13.8V is reached the current into the
battery will be essentially zero.
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