LDB24-XXX
Compact, Boost
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.
Input
Parameter
Key Features:
Conditions
Min.
9.0
Typ.
24.0
Max.
36.0
38.0
Units
VDC
VDC
VDC
mS
Input Voltage Range
Max Input Voltage
Under Voltage Protection
Soft Start Time
Input Filter
• Constant Current Output
• Step Up (Boost) Design
• Wide 9V to 36V Input Range
• Up to 48V Output
0.1 Sec. Max
7.6
50
Internal Capacitor
Output
Parameter
Conditions
Min.
14
Typ.
Max.
48
Units
VDC
• Efficiency to 95%
Output Voltage Range
Output Current
Output Current Accuracy
Output Power
Efficiency
VOUT - VIN = Ն5V
• 7 to 32W Output Power
• -40°C to +85°C Operation
• Digital & Analog Dimming!
See Model Selection Guide
5
%
See Model Selection Guide
See Model Selection Guide
150, 250, 300 & 350 mA Models
500, 600 & 700 mA Models
100
47
Capacitive Load
µF
Operating Frequency
Ripple & Noise (20 MHz)
Temperature Coefficient
Thermal Impedance
Output Short Circuit
Environmental
370
kHz
See Model Selection Guide
Models Available
with Wire Leads
(IP67 Rated)
0.03
%/ºC
ºC/W
Natural Convection
+17
Output Current Cut-Off, Auto Recovery
Parameter
Conditions
Min.
Typ.
Max.
Units
Operating Temperature Range, Ambient
Operating Temperature Range, Case
Storage Temperature Range
Cooling
See Model Selection Guide
+102
+125
ºC
ºC
-55
Free Air Convection
Humidity
Lead Temperature (Solder)
Physical
RH, Non-condensing
1.5 mm From Case For 10 Sec
95
260
%
ºC
Case Size
Case Material
Weight
2.03 x 1.03 x 0.62 Inches (51.50 x 26.10 x 15.80 mm)
Non-Conductive Black Plastic (UL94-V0)
1.341 Oz (38.0g)
Remote On/Off Control
Parameter
DC/DC On
DC/DC Off
Remote Pin Drive Current
Conditions
Min.
Typ.
Typ.
Typ.
Max.
Units
Open
0.0V
µA
EN = Յ3V
1.5
1.3
8.0
VIN = 9 to 32V
VIN = 32V to 36V
Quiescent Input Current (Shutdown Mode)
mA
Analog Dimming
Parameter
Conditions
Min.
0.4
0.4
0.0
0.0
Max.
5.0
1.7
100
0.30
1.5
Units
VDC
VDC
%
VDC
µA
Absolute Maximum Rating
Control Voltage Range
Output Current Adjustment
Control Voltage Range
Drive Current
At DIM Input
ON
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Off
VDIM = 0.40 to 1.7V
PWM Dimming
Parameter
Conditions
Recommended Maximum 0.100
Min.
Max.
100
5.0
Units
kHz
VDC
VDC
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Operation Frequency
On Control Voltage
Off Control Voltage
EMC Compliance
EMI/RFI
0.40
0.00
0.30
Radiated/Conducted
EN 55022 (CISPR22) Class B
Reliability Specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
MTBF
MIL HDBK 217F, 25ºC, Gnd Benign 1.29
MHours
www.micropowerdirect.com