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PhlatLight ? DK-114N Series Development Kit Manual
The driver board is fully capable of driving the LEDs in either
CW or pulsed mode. PWM frequencies in excess of 40kHz are
feasible. An external function generator is required for gener-
ating the pulse trains.
Interface Board
The included interface board is meant to serve as a clean in-
terface from the user supplied lab equipment to the driver
boards. Each interface board is capable of routing power and
signal control to up to three driver boards. A potentiometer
(POT) is included for all three channels to allow for manual ad-
justment of intensity. Alternatively, the current level can be
controlled via a user supplied voltage signal, which allows for
analog dimming. Likewise, there are inputs for a user supplied
pulse train, which allows for pulsed width modulation (PWM)
of the LEDs.
Figure 4: Included Cable Assemblies
For optimum performance, it is not recommended to increase
the length of the driver to LED cable. A longer cable will result
in decreased performance when pulsing the LEDs.
Thermal Interface Materials (TIMs) and Mounting
Hardware
Also included in the kit are precut sheets of a high performance
thermal interface material (eGraf HiTherm 1205) and the re-
quired mounting hardware for the devices.
Figure 3: Interface Board
Cable Assembly
Each development kit includes all of the cables necessary for
proper setup. The primary cables included are as follows:
? Power supply to interface board
? Interface board to driver board - power
? Interface board to driver board - signal
? Interface board to fan
? Driver board to LED
The interface board to driver board cables (power and signal)
and the interface board to fan cable come bundled together.
For pinout information, please refer to Appendix F.
In the cases of using any of the C11 package types (PT85,
Figure 5: Left picture: TIM cut for C21 package types. Right
picture: TIM cut for C11 package types.
Mounting screws for the various package types are included.
M2x5 screws are provided for attachment of C21 package types
(PT54, PT39, CBT-54 and CBT-40). M2.5x6 screws are provided
for attachment of C11 package types (PT85, PT120, CBT-85,
CBT-90 and CBT-120).
PT120, CBT-85, CBT-90 and CBT-120), the driver board to LED
cable is integrated into the driver board.
? 2009 Luminus Devices, Inc. - All Rights Reserved
Page 3
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