LDU5660S700

DC-DC LED Driver xppower.com LDU56 Series • 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 General • 9-60 VDC • Capacitor • 65 VDC for 500 ms Efficiency Switching Frequency MTBF Output Output Voltage Output Current Output Current Accuracy Ripple & Noise • 2-56 V (Vin must be at least 4 V greater than Vout) • See tables • See tables • See tables, measured with 20 MHz bandwidth Short Circuit Protection • Current is limited to the rated output Capacitive Load • 2.2 μF max Temperature • ±0.03%/°C max Coefficient Remote On/Off • On = 2.5-5.0 V or open circuit Off = ≤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 • 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 Safety Safety Approvals • CE (Meets all applicable directives), UKCA (Meets all applicable legislation) With Dimming Control Output Power Input Voltage Range Output Voltage Output Ripple & Noise 16.8 W 19.6 W 28.0 W 33.6 W 39.2 W 50.0 W 9-60 V 9-60 V 9-60 V 9-60 V 9-60 V 9-60 V 2-56 V 2-56 V 2-56 V 2-56 V 2-56 V 2-56 V 250 mV 300 mV 350 mV 400 mV 400 mV 450 mV Output Current 300 350 500 600 700 1000 Output Current Accuracy Efficiency ±6% ±5% ±5% ±5% ±5% ±5% 97% 97% 97% 97% 97% 97% mA mA mA mA mA mA Model Number(1) LDU5660S300 LDU5660S350 LDU5660S500 LDU5660S600 LDU5660S700 LDU5660S1000 1. Add suffix ‘-W’ for wired version, e.g. LDU5660S500-W, or ‘-WD’ for wired version with dimming function e.g. LDU5660S500-WD. Mechanical Details LDU56 - 24 Pin DIL LDU56 - Wired versions 1.25 (31.75) 0.90 (22.86) 2 3 0.60 (15.24) 1.25 (31.75) 0.80 (20.32) 4 9 0.80 (20.32) Bottom View 23 22 16 1 12 5 11 0.12 (3.05) 0.49 (12.45) 0.80 (20.32) Bottom View 0.49 (12.45) 24 13 24 12 5 1 13 14 0.60 (15.24) 0.10 (2.54) 3.94 (100.0) DIA. 0.02 (0.50) 3.94 (100.0) 0.39 (10.0) LDU56 2&3 4 9 & 11 14 & 16 22 & 23 0.49 (12.45) Stripped & tinned LDU56 Connections LDU56-W LDU56-WD Function 1 (Black) 1 (Black) -Vin: -DC supply No Wire 5 (White) Control 12 (Blue) 12 (Blue) -Vout: LED cathode connection 13 (Yellow) 13 (Yellow) +Vout: LED anode connection 24 (Red) 24 (Red) +Vin: +DC supply Note: Do not connect pins 2 & 3 (-Vin) to pins 9 & 11 (-Vout) Notes 1. All dimensions are in inches (mm) 2. Weight: LDU56 - 0.04 lbs (17.7 g) approx. LDU56 (wired version) - 0.05 lbs (22.0 g) approx. 3. Pin diameter: 0.02±0.002 (0.5±0.05) 4. Pin pitch & length tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5) Application Notes Output Current Adjustment by PWM 1.25V A Pulse Width Modulated (PWM) signal with duty cycle DPWM can be applied to the control pin. 0V The output current can be determined using the equation : Iout = Rated Max I x Dpwm PWM 10K +Vout Control LDU -Vin GND Dpwm = PWM duty cycle - Vout Input Filter to meet Class B Conducted Emissions +Vin +Vout L1 C3 C1 +LED LDU56 C2 -Vin -Vout +Vin +Vout L1 C1 -Vout L C3 2220,475K,100V,X7R 68 μH 100 μF/100 V C1 C2 L1, L2 C3 LDU5660Sxxx-WD 2220,475K,100V,X7R 2220,475K,100V,X7R 47 μH 100 μF/100 V +LED C2 -Vin C2 2220,475K,100V,X7R GND LDU56-WD C3 C1 LDU5660Sxxx GND L2 06 Oct 2021 DC-DC LDU56 Models and Ratings