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RCD-48-0.35/W

更新时间： 2024-11-20 01:01:59
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RECOM /
页数 文件大小 规格书
4页 114K
描述
Constant Current Buck LED Driver

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RCD-48-0.35/W 数据手册

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● 70W Buck LED Driver  
LIGHTLINE  
DC/DC-Converter  
with 5 year Warranty  
Features  
● Constant Current Output (350 to 1200mA)  
● Digital PWM and Analogue Voltage Dimming  
● High Efficiency to 96%  
● EN, UL and RAILWAYS Certified  
● Metal or Plastic Case Version  
LED DRIVER  
● IP67 Rated for /W, Plastic Case Version  
Description  
The RCD-48 series is a step-down constant current source designed for driving high power LED applications.  
Four output currents are available. The maximum output voltage is 56V. The buck drivers have digital PWM  
and/or analogue voltage dimming control and are special featured with very high efficiency. Typical applications  
are 48V bus lighting solutions or high voltage LED arrays (e.g. high bay lights).  
Constant  
Current  
Buck LED  
Driver  
Selection Guide  
Part  
Number  
Input  
Range  
(VDC)  
Output  
Current  
(mA)  
Output  
Voltage  
(VDC)  
Dimming  
Control  
Efficiency  
Typ.  
(%)  
RCD-48-0.±5*  
RCD-48-0.50*  
RCD-48-0.70*  
RCD-48-1.00*  
RCD-48-1.20/M  
9-60  
9-60  
9-60  
9-60  
9-60  
0-±50  
0-500  
2-56  
2-56  
2-56  
2-56  
2-56  
Digital + Analogue  
Digital + Analogue  
Digital + Analogue  
Digital + Analogue  
Digital + Analogue  
96  
96  
96  
96  
96  
0-700  
0-1000  
0-1200  
*add suffix “/W“ for wired version with Vref output and analogue + PWM dimming control (seven wires)  
Note: Add suffix “/M“ for metal case (RCD-48-1.20/M only). No metal case with wires available.  
Standard version (no suffix) and wired version (suffix /W) only in plastic case.  
RoHS  
2011/65/EU  
6/6  
Specifications (typical at 25°C, nominal input voltage, rated output current unless otherwise specified)  
E224736  
Operating Input Voltage Range  
9-60VDC  
Absolute Maximum Input Voltage  
65VDC max.  
Output LED String Voltage Range  
(depand on the input voltage, defined by the output impedance, see Safe Operating Area)  
Input Filter  
Output Current Accuracy  
Internal Power Dissipation  
(Vin=60V, Vout=56V)  
2V min. / 56V max.  
EN-50121-3-2 Certified  
EN-60950-1 Certified  
UL-60950-1 Certified  
Capacitor  
±±3 typ. / ±53 max.  
0.8W typ.  
±50mA  
500mA  
1.0W typ.  
700mA  
1000mA  
1200mA  
1.1W typ.  
1.±W typ.  
1.4W typ.  
RCD-48  
Output Current Stability  
Vin=60V, Vout=2-56V, Iout=±50-1200mA  
±13 max.  
Output Ripple and Noise (20MHz BW) Vin=60V, Vout=2-56V, Iout=±50-1200mA  
Maximum Capacitive Load  
±00mVp-p max.  
100μF max.  
Switching Frequency  
Efficiency at Full Load  
50kHz min. / 1000kHz max.  
963 typ.  
Derating-Graph  
(Ambient Temperature)  
PWM DIMMING CONTROL & REMOTE ON/OFF CONTROL  
Input Voltage Range  
5V typ. / 10V max.  
0.5V max.  
Threshold Voltage  
Device ON  
Device OFF  
For Linear Operation  
Frequency Limit  
2.0V min.  
200Hz max.  
1000Hz max.  
50  
PWM Frequency  
1200  
60  
1000  
ANALOGUE DIMMING CONTROL (Leave open if not used - do not tie to +Vin)  
75  
Input Voltage Range  
Control Voltage Range  
0V min. / 10V max.  
0V min. / 5.1V max.  
700  
Natural Convection  
80  
500  
Note: The analogue dimming range is from 0% to 100%, but the output can be unstable below 10%, when using the analo-  
gue dimming function.  
Analogue Pin Drive Current  
Vref Version  
350  
300  
Vc=5V  
0.2mA max.  
4.95V  
0.5mA  
2mA typ.  
Vref Voltage  
Vref Output Current  
Vref Output Short Circuit Current  
±50mA  
500mA  
700mA  
60  
20 40 50 80 100  
-40  
0
Ambient Temperature Range (°C)  
Ambient Temperature  
(free air convection)  
-40°C to +80°C  
-40°C to +80°C  
-40°C to +75°C  
-40°C to +60°C  
-40°C to +50°C  
continued on next page  
1000mA  
1200mA  
Refer to Application Notes  
www.recom-power.com  
Analogue and PWM Dimming Control Note: Leave open if not used - do not tie to +Vin  
L-12  
REV: 0/2015  
1234

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