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Discontinued Products
700mA Internally Dimmable BuckPuck AC Driver - PCB Mount
The 3021-A-I-1000 has been discontinued.
There is no direct replacement for this driver.
Product Attributes
Output Current
700mA
Minimum Input Voltage
7V
RMS
Maximum Input Voltage
24V
RMS
Output Voltage
32V
DC
(1)
Input Margin
4V
RMS
Dimmable
Internal
Control Pin Voltage
10V
Efficiency
95%
Output Tolerance
±10
Maximum Flash Frequency
10kHz
Minimum Strobe Pulse Width
50 µs
(2)
Output Rise Time
<10 µs
(2)
Output Fall Time
< 350 µs
Operating Temperature Range
-40 to +80°C
Weight
8.1 g
Dimensions L x W x H
21 x 21 x 11 mm
Due to the nature of a buck regulator, the input voltage to the driver must always be higher than the total forward voltage drop of all series connected LEDs. For example, if you have a series connected string of six LEDs where each LED has an average forward drop of 3.5V, the required minimum input voltage would be 25V
AC
. (3.5 x 6 + 4) A 26V
AC
power supply would be a good choice for this application.
The actual value will vary greatly depending on the input and/or output voltages. Value shown is for V
in
= 24V
DC
V
OUTt
=20V
DC
LED load. Actual values will be smaller in most applications.
This information is for reference only. Refer to the
manufacturers datasheet
for official specifications.
Documents & Media
Datasheets
3021-A-I-700 Datasheet
Application Notes
LED Drivers And Capacitor Reliability
Flashing LEDs with BuckPuck and BoostPuck Drivers
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