HV9906DB4 データシートの表示（PDF） - Supertex Inc
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HV9906DB4 Datasheet PDF : 3 Pages
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Instructions
OUT, RTN
Connect your LED to these terminals: negative to
OUT, positive to RTN.
E1, E2
Connect 80 to 135VAC, 60Hz line source to these
terminals: line to E2, neutral to E1. The input is
protected with a 0.5A fuse.
DC, AGND
Leave DC, AGND open if dimmer control is not
required. Connect DC and AGND with an adjustable
Schematic Diagram
HV9906DB4
Resistor Radj can change the output current. The
output current is:
Iout
=
R1 +
R6 + R8 − R7 //(R11 +
R7 //(R11 + Radj ) ⋅ R3
Radj )
⋅1V
Setting Output Current (without Dimmer Control)
Output current is preset to 750mA for this board.
Output current can be re-programmed according to
the following equation:
Iout
=
R1 +
R6 + R8 −
R7 ⋅ R3
R7
⋅1V
Radj
(external part)
2
07/23/2002
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com
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