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LDU56 Datasheet, PDF (1/2 Pages) XP Power Limited – Constant Current Output | |||
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LED Driver
LDU56 Series
xppower.com
⢠Constant Current Output
⢠LED Drive Current up to 1000 mA
⢠LED Strings from 2 V to 56 V
⢠PWM Dimming Control
⢠High Efficiency up to 97%
⢠Open or Short Circuit LED Protection
⢠3 Year Warranty
Specification
Input
Input Voltage
Input Filter
Input Surge
⢠9-60 VDC
⢠Capacitor
⢠65 VDC for 500 ms
Output
Output Voltage
⢠2-56 V (Vin must be at least 4 V greater
than Vout)
Output Current
⢠See tables
Output Current
Accuracy
⢠See tables
Ripple & Noise
⢠See tables,
measured with 20 MHz bandwidth
Short Circuit Protection ⢠Current is limited to the rated output
Capacitive Load
⢠2.2 µF max
Temperature
Coefficient
⢠±0.03%/°C max
Remote On/Off
⢠On = 2.5-5.0 V or open circuit
Off = â¤0.8 V (applied to control pin)
Quiescent input current is 3 mA max,
Remote On/Off Signal ⢠1 mA max
Current
Dimming
PWM
Output Current Range
Operating Frequency
On Time
Off Time
Amplitude
⢠1% to 100%
⢠1 kHz max
⢠50 µs min
⢠50 µs min
⢠2.5 V, 5 V max
General
Efficiency
Switching Frequency
MTBF
⢠See tables
⢠40-1000 kHz variable
⢠>2.0 MHrs to MIL-HDBK-217F at 25 °C,
GB
Environmental
Operating Temperature ⢠-40 °C to +85 °C for 300/350 mA versions,
-40 °C to +70 °C for others
Storage Temperature ⢠-40 °C to +125 °C
Humidity
⢠Up to 95%, non-condensing
Thermal Impedance ⢠16.7 °C/W model dependant
EMC
Emissions
ESD Immunity
Radiated Immunity
EFT/Burst
Conducted Immunity
Magnetic Field
⢠EN55015 class B conducted & radiated
with external components - see
application notes
⢠EN61000-4-2, level 2 Perf Criteria A
⢠EN61000-4-3, level 2 Perf Criteria A
⢠EN61000-4-4, level 2 Perf Criteria A
⢠EN61000-4-6, level 2 Perf Criteria A
⢠EN61000-4-8, level 2 Perf Criteria A
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