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LD24E Datasheet, PDF (1/2 Pages) MicroPower Direct, LLC – Low Cost, PWM Control Constant Current Output DC/DC LED Drivers
LD24E-xx-xxx Series
Low Cost, PWM Control
Constant Current Output
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:
• 300 - 700 mA Output Current
• Constant Current Output
• PWM Dimming
• Wide 5.5V to 36V Input Range
Input
Parameter
Input Voltage Range
Max Input Voltage
Input Filter
Output
• Efficiency to 95%
Parameter
• Miniature Case
Output Voltage Range
Conditions
Min. Typ.
5.5 24.0
See Note 1
Internal Capacitor
Max.
36.0
40.0
Units
VDC
VDC
Conditions
Min. Typ. Max.
Vin = 36V 2
32
Units
VDC
• 4.7 MHrs MTBF
Output Current
See Model Selection Guide
• Low, Low Cost!
Output Current Accuracy
Vin = 24V
±5.0 ±8.0
%
Output Current Stability
Vin = 24V
±5.0 ±10.0
%
Output Capacitive Load
470
µF
Efficiency
Iout = 100%
95
%
Temperature Coefficient
±0.03 %/ºC
Output Short Circuit
Regulated At Rated Output Current
Environmental
Parameter
Conditions
Min. Typ. Max. Units
300 mA, 350 mA Output Models -40 +25 +85
Operating Temperature Range, Ambient
ºC
All Other Models -40 +25 +71
Operating Temperature Range, Case
Case
+100
ºC
Storage Temperature Range
-55
+125
ºC
Cooling
Free Air Convection
Humidity
RH, Non-condensing
95
%
Lead Temperature
1.5 mm From Case For 10 Sec
260
ºC
Physical
Case Size
0.90 x 0.40 x 0.374 Inches (22.80 x 10.20 x 9.50 mm)
Case Material
Non-Conductive Black Plastic (UL94-V0)
Weight
0.123 Oz (3.5g)
Remote On/Off Control
Parameter
Conditions
Min. Typ. Max. Units
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
DC/DC On
DC/DC Off
Remote Pin Drive Current
Quiescent Input Current (Shutdown Mode)
PWM Dimming
Vcont = 5.0V
Vin = 24V, Vcont = <0.6V
Open 0r 2.8V < Vcont <6.0V
Vcont <0.6V
1
mA
400
µA
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Parameter
Operation Frequency
Reliability Specifications
Parameter
Conditions
Conditions
Min. Typ. Max.
0.2
10
Units
kHz
Min. Typ. Max. Units
MTBF
MIL HDBK 217F, 25ºC, Gnd Benign 2.0
MHours
Safety Standards
Meets EN 60950, IEC 60950
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