VLD24-350 CUI Inc, VLD24-350 Datasheet

IC LED DRIVER CONST CURR PCB

VLD24-350

Manufacturer Part Number
VLD24-350
Description
IC LED DRIVER CONST CURR PCB
Manufacturer
CUI Inc
Series
V-Infinity VLD24r
Datasheet
1.VLD24-350.pdf (4 pages)

Specifications of VLD24-350

Voltage - Input
5.5 ~ 36V
Voltage - Output
2 ~ 32V
Current - Output
350mA
Power (watts)
11.2W
Mounting Type
Through Hole
Termination Style
PCB Pins
Size / Dimension
0.90" L x 0.40" W x 0.37" H (22.8mm x 10.2mm x 9.5mm)
Operating Temperature
-40°C ~ 85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
102-1899
PART NUMBER: VLD24-XXX
applications
constant current source designed for
driving high power LEDs. The available
output currents are: 300mA, 350mA,
500mA, 600mA, 700mA. Despite its
compact size, the VLD24-XXX series is fully
featured with very high efficiency, wide
input voltage range, high ambient operating
temperature, and two means of LED dim-
ming: PWM digital dimming and analog
dimming control, via a trim POT.
model
VLD24-300
VLD24-350
VLD24-500
VLD24-600
VLD24-700
PROTECTION CIRCUIT
The VLD24-XXX series is a step-down
INPUT
parameter
input voltage
quiescent input
current in off mode
input filter
OUTPUT
parameter
voltage range
current range
current accuracy
current stability
temp. coefficient
maximum capacitive
load
parameter
short-circuit protection regulated at rated output current
20050 SW 112
conditions/description
absolute max before device failure
opperating input range
Vin = 24V, V
capacitor
conditions/description
Vin is at least 1.5~4V higher than Vout
Vin-Vout > 1.5~4V
300~700mA
Vin = 24V, Vout = 2~32V
-40°C ~ 71°C ambient
conditions/description
th
Ave. Tualatin, Oregon 97062
input range
DIM
5.5~36
5.5~36
5.5~36
5.5~36
5.5~36
(V dc)
< 0.6V
features
• power LED driver
• high efficiency up to 95%
• wide input voltage range
• constant current output
• PWM digital dimming
• short-circuit protection
• analog dimming
• output on/off control
output voltage
(V dc)
2~32
2~32
2~32
2~32
2~32
phone
phone 503.612.2300 fax
DESCRIPTION: constant current dc-dc converter
output current
min
min
300
5.5
2
0~300
0~350
0~500
0~600
0~700
(mA)
nom
nom
±10
fax 503.612.2382
24
±8
dimming control
±0.03
max
max
400
700
±12
±18
470
40
36
32
PWM+analog
PWM+analog
PWM+analog
PWM+analog
PWM+analog
units
units
%/°C
VDC
VDC
VDC
mA
μA
μF
%
%
rev.
page
date
efficiency
1/2009
1 of 4
(%)
95
95
95
95
95

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VLD24-350 Summary of contents

Page 1

... LED dim- ming: PWM digital dimming and analog dimming control, via a trim POT. model input range VLD24-300 VLD24-350 VLD24-500 VLD24-600 VLD24-700 INPUT parameter conditions/description input voltage ...

Page 2

... PART NUMBER: VLD24-XXX DIMMING AND CONTROL parameter conditions/description remote on/off dc-dc ON (Vr on pin3) dc-dc OFF remote pin current PWM frequency GENERAL parameter conditions/description ambient temp. 300/350mA 500/600/700mA storage temp. max. case temp. RoHS yes case material plastic (UL94V-0) dimensions 22.8 x 10 ...

Page 3

... ON /OFF /PWM 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. ...

Page 4

... PART NUMBER: VLD24-XXX MECHANICAL DRAWING AND PIN-OUT 22.80(0.897) 17.78(0.700 Bottom View 20050 SW 112 Ave. Tualatin, Oregon 97062 DESCRIPTION: constant current dc-dc converter 10.20 (0.401) 4.10(0.161) 7.62 (0.300) RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm (0.039inch) phone phone 503.612.2300 fax rev. page date FOOTPRINT DETAILS ...

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