For more information, please visit the product page. date 06/27/2012 page 1 of 5 SERIES: VLD24 │ DESCRIPTION: LED DRIVER FEATURES • • • • • • • up to 700 mA constant current wide input (5.5~36 V) compact package PWM or analog dimming capable short circuit protection remote on/off control efficiency up to 96% RoHS input voltage MODEL output voltage output current dimming control efficiency typ (Vdc) range (Vdc) range (Vdc) min (mA) max (mA) VLD24-300 24 6.5~36.0 2~30 0 300 digital + rheostat 96 VLD24-350 24 6.5~36.0 2~30 0 350 digital + rheostat 96 VLD24-500 24 6.5~36.0 2~30 0 500 digital + rheostat 96 VLD24-600 24 6.5~36.0 2~30 0 600 digital + rheostat 96 VLD24-700 48 6.5~36.0 2~30 0 700 digital + rheostat 96 PART NUMBER KEY VLD24 - XXX Base Number Input Voltage cui.com typ (%) For more information, please visit the product page. CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 06/27/2012 │ page 2 of 5 INPUT parameter conditions/description min maximum input voltage for ≤ 10 seconds 5.5 operating input voltage 6.5 quiescent input current in off mode Vin = 24 V, Vr < 0.6 V input filter capacitor remote on/off ON (Vr on pin 3) OFF remote pin current Vr = 5 V typ 24 max units 40 Vdc 36 Vdc 400 μA open or 2.8 V < Vr < 6 V Vr < 0.6 V PWM frequency 1 mA 0.2 10 kHz typ max units 30 Vdc OUTPUT parameter conditions/description output voltange range Vin = 36 V min current accuracy Vin = 24 V, 5 LEDs ±7 ±12 % current stability Vin = 24 V, 1~5 LEDs ±8 ±15 % 2 temperature coefficient ±0.03 capacitive load %/°C 470 μF PROTECTIONS parameter conditions/description short circuit protection continuous min typ max units min typ max units SAFETY AND COMPLIANCE parameter conditions/description isolation voltage for 1 minute at 1 mA max. isolation resistance at 500 Vdc 1,500 MTBF RoHS compliant Vdc 1,000 MΩ 1,000,000 hours yes ENVIRONMENTAL parameter conditions/description min operating temperature 300 and 350 mA 500, 600, and 700 mA -40 -40 storage temperature typ -55 case temperature storage humidity non-condensing temperature rise at full load lead temperature 1.5 mm from case for 10 seconds max units 85 71 °C °C 125 °C 100 °C 95 15 cui.com % °C 300 °C For more information, please visit the product page. CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 06/27/2012 │ page 3 of 5 MECHANICAL parameter conditions/description dimensions 0.897 x 0.401 x 0.374 (22.80 x 10.2 x 9.5 mm) min case material plastic (UL94-V0) typ max inch weight 3.5 MECHANICAL DRAWING units: mm [inches] tolerance: ±0.25 [±0.010] pin section tolerance: ±0.05 mm [±0.002] 10.20 (0.401) Top view,grid:2.54mm(0.1inch), diameter:1.00mm (0.039inch) 9.00 (0.354) 0.50 (0.020) 22.80(0.897) 4.10(0.161) 17.78(0.700) 7.62 (0.300) PIN CONNECTIONS PIN 5 4 3 Bottom View 2 6 1 FUNCTION COMMENTS 1 Vin 2 Rheostat Dim 3 On/Off/PWM 4 GND 5 -Vo LED cathode connection 6 +Vo LED anode connection cui.com units DC supply must connect to Vin if not in use leave open if not in use do not connect to -Vo g For more information, please visit the product page. CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 06/27/2012 │ page 4 of 5 APPLICATION NOTES 1. Digital Dimming Control 50% Duty Cycle Analog Dimming Control A 1 +Vin VLD24-XXX Cin GND RW 4 2 0.75 0.703 0.657 Io_300w 0.61 0.563 Io_350w0.517 0.47 Io_500w0.423 0.377 Io_600w 0.33 Io_700w0.283 0.237 0.19 0.143 0.097 0.05 6 5 1st LED 3 La st L ED POT Dim ON/ OFF /PWM General: Cin: 47 μF for best performance Io can be set between 0A and Io(max) with trim pot Rw. For example, to set the output current (Io) to 200mA using the VLD24-350, choose Rw=0.4Ω. The trim pot should be placed close to pins 1 and 2 with shortest possible leads. 3. Output current(LED appears dimmer) Output current(LED appears brighter) Output current 2. 20% Duty Cycle 80% Duty Cycle 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 Rw EMS Filter Circuits + Vin 1 µF Cera mic G ND 1 700 µ H * 2 Fi ter2 T 2 .2 µF Ce ra mic VLD24-XXX 4 2 6 5 1s t LED 3 Las t LED ON/OFF/PWM cui.com Ω For more information, please visit the product page. CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 06/27/2012 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 07/18/2008 1.01 new template applied 09/02/2011 1.02 new template applied 06/27/2012 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.