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LD48-14-250W(A) PDF预览

LD48-14-250W(A)

更新时间： 2024-11-19 00:45:51
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MPD /
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Constant Current Output

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LD48-14-250W(A) 数据手册

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LD48-xx-xxx  
Compact, Wide Input  
Constant Current  
DC/DC LED Drivers  
Electrical Specifications  
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.  
Key Features:  
Input  
Parameter  
Input Voltage Range  
Max Input Voltage  
Input Filter  
Conditions  
Min.  
7.0  
Typ.  
Max.  
60.0  
65.0  
Units  
VDC  
VDC  
• Constant Current Output  
• Wide 7V to 60V Input Range  
• Efficiency to 97%  
0.5 Sec. Max  
Internal Capacitor  
Output  
• Miniature MiniDIP Case  
• ꢀ00 mA to 1A Output  
• Meets EN 60950  
Parameter  
Output Voltage Range  
Output Current  
Output Current Accuracy  
Output Power  
Conditions  
Min.  
2
Typ.  
Max.  
57  
Units  
VDC  
VIN = 60V  
See Model Selection Guide  
See Model Selection Guide  
See Model Selection Guide  
See Model Selection Guide  
• 950 kHrs MTBF  
Efficiency  
• Digital & Analog Dimming!  
Capacitive Load  
Operating Frequency  
Ripple & Noise (20 MHz)  
Temperature Coefficient  
Thermal Impedance  
Output Short Circuit  
Environmental  
470  
500  
µF  
kHz  
20  
See Model Selection Guide  
Models Available  
with Wire Leads  
(IP67 Rated)  
0.0ꢀ  
+ꢀ0  
%/ºC  
ºC/W  
Natural Convection  
Regulated At Rated Output Current  
Parameter  
Conditions  
Min.  
-40  
Typ.  
+25  
Max.  
+85  
+110  
+125  
Units  
ºC  
Ambient  
Case  
Operating Temperature Range  
Storage Temperature Range  
Cooling  
Humidity  
Lead Temperature (Solder)  
Physical  
-40  
ºC  
Free Air Convection  
RH, Non-condensing  
1.5 mm From Case For 10 Sec  
95  
260  
%
ºC  
Case Size  
Case Material  
Weight  
1.25 x 0.80 x 0.49 Inches (ꢀ1.75 x 20.ꢀ2 x 12.45 mm)  
Non-Conductive Black Plastic (UL94-V0)  
0.622 Oz (17.7g)  
Remote On/Off Control  
Parameter  
Conditions  
Min.  
Typ.  
Max.  
Units  
DC/DC On  
Open or 0.ꢀV < VADJ <1.25V  
DC/DC Off  
VADJ <0.15V  
Remote Pin Drive Current  
Quiescent Input Current (Shutdown Mode)  
PWM Dimming  
Parameter  
Operation Frequency  
Switch On Time  
Switch Off Time  
Analog Dimming  
Parameter  
VADJ = 1.25V  
VIN = 60V  
1
100  
mA  
µA  
Conditions  
Recommended Maximum  
Min.  
Typ.  
Typ.  
Max.  
1.0  
Units  
kHz  
nS  
200  
200  
nS  
MicroPower Direct  
292 Page Street  
Suite D  
Conditions  
Min.  
0.ꢀ  
25  
Max.  
1.25  
100  
Units  
VDC  
%
Input Voltage Range  
Output Current Adjustment  
At VADJ Input (Pin 4)  
Stoughton, MA 02072  
USA  
On 0.20  
Off 0.15  
VADJ = 1.25V  
0.ꢀ0  
0.25  
1.0  
Control Voltage Range Limits  
VDC  
mA  
Drive Current  
EMC Compliance  
EMI/RFI  
Electrostatic Discharge (ESD)  
RF Field Susceptibility  
Electrical Fast Transients/Bursts On Mains  
EMS Immunity  
T: (781) ꢀ44-8226  
F: (781) ꢀ44-8481  
E: sales@micropowerdirect.com  
W: www.micropowerdirect.com  
Radiated/Conducted  
Class A  
EN 55015 (CISPR22)  
IEC/EN 61000-4-2, -6, -8  
IEC/EN 61000-4-ꢀ  
IEC/EN 61000-4-4  
EN61547  
Class A  
Class A  
Reliability Specifications  
Parameter  
MTBF  
Conditions  
MIL HDBK 217F, 25ºC, Gnd Benign  
Min.  
950  
Typ.  
Max.  
Units  
kHours  
www.micropowerdirect.com  
1234

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