VLD24-350

Additional Resources: Product Page date 04/17/2012 page 1 of 5 SERIES: VLD24 │ DESCRIPTION: LED DRIVER FEATURES d 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% ue • • • • • • • RoHS output voltage output current in input voltage MODEL dimming control efficiency 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 24 6.5~36.0 2~30 0 600 digital + rheostat 96 48 6.5~36.0 2~30 0 700 digital + rheostat 96 nt typ (Vdc) VLD24-600 is co VLD24-700 D PART NUMBER KEY VLD24 - XXX Base Number Input Voltage cui.com typ (%) Additional Resources: Product Page CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 04/17/2012 │ 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 parameter conditions/description output voltange range Vin = 36 V current accuracy Vin = 24 V, 5 LEDs current stability Vin = 24 V, 1~5 LEDs PROTECTIONS typ 2 conditions/description short circuit protection continuous nt parameter SAFETY AND COMPLIANCE min in temperature coefficient capacitive load conditions/description isolation voltage for 1 minute at 1 mA max. isolation resistance at 500 Vdc co parameter units 40 Vdc 36 Vdc 400 μA 1 mA 10 kHz ue 0.2 OUTPUT RoHS compliant 24 max d open or 2.8 V < Vr < 6 V Vr < 0.6 V PWM frequency MTBF typ max units 30 Vdc ±7 ±12 % ±8 ±15 % ±0.03 %/°C 470 μF min typ max units min typ max units 1,500 Vdc 1,000 MΩ 1,000,000 hours yes ENVIRONMENTAL conditions/description min 300 and 350 mA 500, 600, and 700 mA -40 -40 is parameter operating temperature storage temperature typ -55 case temperature non-condensing at full load lead temperature 1.5 mm from case for 10 seconds D storage humidity temperature rise max units 85 71 °C °C 125 °C 100 °C 95 15 cui.com % °C 300 °C Additional Resources: Product Page CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 04/17/2012 │ 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 d MECHANICAL DRAWING ue units: mm [inches] tolerance: ±0.25 [±0.010] pin section tolerance: ±0.05 mm [±0.002] 10.20 (0.401) 4.10(0.161) 17.78(0.700) Top view,grid:2.54mm(0.1inch), diameter:1.00mm (0.039inch) in 9.00 (0.354) 0.50 (0.020) 22.80(0.897) 7.62 (0.300) nt PIN CONNECTIONS PIN FUNCTION COMMENTS 1 Vin 2 Rheostat Dim 3 On/Off/PWM 4 GND 5 -Vo LED cathode connection 6 +Vo LED anode connection D is co 5 4 3 Bottom View 2 6 1 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 Additional Resources: Product Page CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 04/17/2012 │ page 4 of 5 APPLICATION NOTES Digital Dimming Control 50% Duty Cycle ue Analog Dimming Control A 1 VLD24-XXX Cin GND RW 4 2 6 5 1st LED 3 La st L ED POT Dim 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 ON/ OFF /PWM General: Cin: 47 μF for best performance in +Vin nt 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. co EMS Filter Circuits + Vin 1 µF Cera mic is G ND Fi ter2 T 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 1 700 µ H * 2 2 .2 µF Ce ra mic VLD24-XXX 4 2 Rw 6 5 1s t LED 3 Las t LED ON/OFF/PWM D 3. Output current(LED appears dimmer) Output current(LED appears brighter) Output current 2. 20% Duty Cycle 80% Duty Cycle d 1. cui.com Ω Additional Resources: Product Page CUI Inc │ SERIES: VLD24 │ DESCRIPTION: LED DRIVER date 04/17/2012 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 07/18/2008 1.01 new template applied 09/02/2011 D is co nt in ue d 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 techsupport@cui.com 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.