HV9922DB2 Supertex, HV9922DB2 Datasheet - Page 2

• Manufacturer Part Number: HV9922DB2
• Description: Power Management IC Development Tools UNIVERSAL OFF-LINE LED DRIVER DEMOBOARD
• Manufacturer: Supertex

Specifications of HV9922DB2

• Product: Power Management Development Tools
• Factory Pack Quantity: 1

Testing the HV9922DB1
Connect the LED string to the output terminals.
Check the polarity of the LED connection, anode end of the
string should be connected to the positive output, cathode
should be connected to the negative output. Connect the
AC input to the input terminals. Apply the AC voltage at
the input terminals and the LED string should start to glow.
The HV9922DB1 will regulate constant 50mA current in the
LED.
Schematic Diagram
Bill of Materials
110210
©2010
Supertex inc.
an adequate “product liability indemnification insurance agreement.”
to the replacement of the devices determined defective due to workmanship. No responsibility is assumed for possible omissions and inaccuracies. Circuitry and
specifications are subject to change without notice. For the latest product specifications refer to the
Reference
VRD1
Supertex inc.
D2-5
C
C
C
D1
U1
C
L
F1
L1
IN2
DD
IN
IN
O
does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives
Description
0.1µF, 400V, Metalized Polyester Film
0.033µF, 400V, Metalized Polyester Film
0.01µF, 100V, X7R, MLCC
0.1µF, 50V, X7R, MLCC
22mH, 60mA, Mini-Drum
2.2mH, 64mA, Axial
Diode, UF 600V 1A 75ns
Diode, 600V 1A
Surge Absorber
LED Driver IC
Integrated PCB Fuse
85-265V
AC Line
All rights reserved. Unauthorized use or reproduction is prohibited.
D2
D4
F1
VRD1
D3
D5
C
DD
Supertex inc.
C
3
IN2
VDD
L
HV9922
IN
GND
2
U1
2
An ammeter can be connected in series with the LED(s) to
measure the output current. The average current reading
may be smaller than 50mA. This is due to the interruptions
in the LED current when the input AC line voltage falls below
the forward voltage of the LED string. The average current
will also vary over the AC line voltage range. Additional
hold-up capacitance can be included across C
interruptions are not desirable.
does not assume responsibility for use of devices described, and limits its liability
DRAIN
B37981M1103K054
B37987F5104K054
RL-5480-3-22000
ECQ-E4104KF
ECQ-E4333KF
ERZ-V05D431
Part Number
HV9922N3-G
CTH6-222K
MUR160
1N4005
C
Supertex inc.
1
IN
N/A
D1
(website: http//www.supertex.com)
1235 Bordeaux Drive, Sunnyvale, CA 94089
Supertex inc.
C
O
Central Technologies
On Semiconductor
Renco Electronics
Manufacturer
Supertex, Inc
Diodes, Inc
Panasonic
Panasonic
Panasonic
L1
LED
HV9922DB1
Epcos
Epcos
N/A
www.supertex.com
1
- LED
Tel: [phone]
IN
8
, if these