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LDM24-20-700 PDF预览

LDM24-20-700

更新时间： 2024-11-30 00:51:59
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Miniature, Wide Input Constant Current DC/DC LED Drivers

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LDM24-20-700 数据手册

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LDM24-xx-xxx  
Miniature, 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  
Maximum Input Voltage  
Input Filter  
Conditions  
Min.  
7.0  
Typ.  
24  
Max.  
30.0  
40.0  
Units  
VDC  
VDC  
• Constant Current Output  
• Wide 7V to 30V Input Range  
• 95% Efficiency  
0.5 Sec  
Internal Capacitor  
Output  
• Miniature MiniDIP Case  
• 500 mA to 700 mA Output  
• Meets EN 60950  
Parameter  
Output Voltage Range  
Output Current  
Output Current Accuracy  
Output Power  
Efficiency  
Capacitive Load  
Operating Frequency  
Ripple & Noise (20 MHz)  
Temperature Coefficient  
Thermal Impedance  
Output Short Circuit  
Environmental  
Conditions  
Min.  
2
Typ.  
Max.  
28  
Units  
VDC  
VIN = 30V  
See Model Selection Guide  
See Model Selection Guide  
See Model Selection Guide  
See Model Selection Guide  
• 1.6 MHrs MTBF  
• Digital & Analog Dimming!  
47  
450  
µF  
kHz  
70  
See Model Selection Guide  
0.05  
%/ºC  
ºC/W  
Natural Convection  
Regulated At Rated Output Current  
+40  
Parameter  
Conditions  
Min.  
-40  
Typ.  
+25  
Max.  
+71  
+105  
+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  
0.80 x 0.40 x 0.27 Inches (20.32 x 10.16 x 6.88 mm)  
Non-Conductive Black Plastic (UL94-V0)  
0.092 Oz (2.6g)  
Remote On/Off Control  
Parameter  
Conditions  
Min.  
Typ.  
Max.  
Units  
DC/DC On  
DC/DC Off  
Open or 0.3V < VADJ <1.25V  
VADJ <0.15V  
Remote Pin Drive Current  
Quiescent Input Current (Shutdown Mode)  
PWM Dimming  
Parameter  
Operation Frequency  
Switch On Time  
Switch Off Time  
Output Current Adjust Range  
Analog Dimming  
Parameter  
VADJ = 1.25V  
VIN = 30V  
1
25  
mA  
µA  
Conditions  
Recommended Maximum  
Min.  
Typ.  
Typ.  
Max.  
1.0  
Units  
kHz  
nS  
nS  
%
200  
200  
0
100  
MicroPower Direct  
292 Page Street  
Suite D  
Conditions  
Min.  
0.0  
25  
Max.  
1.25  
100  
Units  
VDC  
%
Input Voltage Range  
Output Current Adjustment  
At VADJ Input (Pin 2)  
Stoughton, MA 02072  
USA  
On 0.30  
1.25  
0.15  
1.0  
Control Voltage Range Limits  
VDC  
mA  
Off  
0.0  
Drive Current  
EMC Compliance  
EMI/RFI  
Electrostatic Discharge (ESD)  
RF Field Susceptibility  
Electrical Fast Transients/Bursts On Mains  
EMS Immunity  
VADJ = 1.25V  
T: (781) 344-8226  
F: (781) 344-8481  
E: sales@micropowerdirect.com  
W: www.micropowerdirect.com  
Radiated/Conducted  
Class A  
EN 55015 (CISPR22)  
IEC/EN 61000-4-2, -6, -8  
IEC/EN 61000-4-3  
IEC/EN 61000-4-4  
EN61547  
Class A  
Class A  
Reliability Specifications  
Parameter  
MTBF  
Conditions  
MIL HDBK 217F, 25ºC, Gnd Benign  
Min.  
1.6  
Typ.  
Max.  
Units  
MHours  
www.micropowerdirect.com  
1234

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