LDD120 BEL | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 5

Technical content

The LDD family of DC/DC converters is an optimal response to the applications where compactness and high reliability are requested. All are isolated and offer a wide range of input voltages. Simple but elegant look and easy installation make them ideal for various industrial applications.  High efficiency and compact size  Isolated topology  Wide Input voltage range  Overload 125%  Up to 50°C operating temperature with no derating  Industrial machine control  Process control  Energy management  Remote control systems

2 LDD120 Series

tech.support@psbel.com LDD120-1212 12 VDC (10.5 - 18 VDC) 14 A - 8.0 A 12 VDC 7 A LDD120-1224 12 VDC (10.5 - 18 VDC) 15.5 A - 9.0 A 24 VDC 5 A LDD120-1248 12 VDC (10.5 - 18 VDC) 15.5 A - 9.0 A 48 VDC 2.5 A LDD120-2412 24 VDC (18 - 36 VDC) 7.5 A - 3.8 A 12 VDC 7 A LDD120-2424 24 VDC (18 - 36 VDC) 8.5 A - 4.3 A 24 VDC 5 A LDD120-4812 48 VDC (36 - 72 VDC) 4.5 A - 2.5 A 12 VDC 8 A LDD120-4824 48 VDC (36 - 72 VDC) 4.3 A - 2.2 A 24 VDC 5 A Technical parameters are typical, measured in laboratory environment at 25°C and nom. values, after min. 5 minutes of operation. PARAMETER DESCRIPTION / CONDITION SPECIFICATION Input DC Voltage Range LDD120-1212 / LDD120-1224 / LDD120-1248 LDD120-2412 / LDD120-2424 LDD120-4812 / LDD120-4824 12 VDC (10.5 - 18 VDC)

24 VDC (18 - 36 VDC)

48 VDC (36 - 72 VDC)

LDD120-1212 Vin = Min Vin = Max 14 A 8.0 A LDD120-1224 / LDD120-1248 Vin = Min Vin = Max 15.5 A 9.0 A LDD120-2412 Vin = Min Vin = Max 7.5 A 3.8 A LDD120-2424 Vin = Min Vin = Max 8.5 A 4.3 A LDD120-4812 Vin = Min Vin = Max 4.5 A 2.5 A LDD120-4824 Vin = Min Vin = Max 4.3 A 2.2 A Input Overvoltage Protection (active) LDD120-1212 / LDD120-1224 / LDD120-1248 LDD120-2412 / LDD120-2424 LDD120-4812 / LDD120-4824

19 VDC

38 VDC

76 VDC

(not user replaceable) LDD120-1212 / LDD120-1224 / LDD120-1248 LDD120-2412 / LDD120-2424 LDD120-4812 LDD120-4824 Fuse 20 AT Fuse 10 AT Fuse 8 AT Fuse 5 AT Recommended External Protection (use DC rated devices) LDD120-1212 / LDD120-1224 / LDD120-1248 LDD120-2412 / LDD120-2424 LDD120-4812 / LDD120-4824 > MCB 25 A C curve > MCB 13 A C curve > MCB 6 A C curve

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2016 Bel Power Solutions & Protection BCD.00762_AA Output Power 120 W Rated Voltage (Adjustable Voltage Range) LDD120-1212 / LDD120-2412 / LDD120-4812 LDD120-1224 / LDD120-2424 / LDD120-4824 LDD120-1248

12 VDC (12 - 15 VDC)

24 VDC (23 – 27.5 VDC)

48 VDC (45 – 55 VDC)

2.5 A 7 A 5 A 8 A 5 A Overload Limit LDD120-1212 LDD120-1224 LDD120-1248 LDD120-2412 LDD120-2424 LDD120-4812 LDD120-4824 9.0 A 7.0 A 3.3 A 9.0 A 6.5 A 12 A 6.5 A Short Circuit Peak Current LDD120-1212 / LDD120-1224 LDD120-1248 LDD120-2412 LDD120-2424 LDD120-4812 LDD120-4824 11.5 A 5.8 A 14 A 10 A 20 A 12 A Load Regulation LDD120-1212 / LDD120-1224 / LDD120-1248 / LDD120-2412 / LDD120-2424 / LDD120-4812 LDD120-4824 ≤ 0.5% ≤ 1.5% Ripple & Noise1 LDD120-1212 / LDD120-1224 / LDD120-1248 LDD120-2412 LDD120-2424 / LDD120-4812 LDD120-4824 ≤ 20 mVpp ≤ 50 mVpp ≤ 20 mVpp ≤ 30 mVpp Hold up Time LDD120-1212 ≥ 4 ms LDD120-1224 / LDD120-1248 / LDD120-2412 / LDD120-2424 ≥ 3 ms LDD120-4812 LDD120-4824 ≥ 5 ms ≥ 6 ms Output Over Voltage Protection LDD120-1212 / LDD120-2412 / LDD120-4812 LDD120-1224 / LDD120-2424 / LDD120-4824 LDD120-1248 ≥ 18 VDC ≥ 33 VDC ≥ 68 VDC Parallel Connection Possible for redundancy (with external ORing module) Protections Overload/short circuit: Hiccup mode Thermal protection  Output overvoltage Status Signals DC OK - Green LED (all models) OVERLOAD - Status Signals red LED (LDD120-4812 only) DC OK dry contact (NO, 24 VDC / 1 A) (LDD120-4812 only) Efficiency LDD120-1212 LDD120-1224 LDD120-1248 LDD120-2412 / LDD120-2424 LDD120-4812 / LDD120-4824 > 81% > 82% > 83% > 86% > 89% Dissipated Power LDD120-1212 LDD120-1224 LDD120-1248 LDD120-2412 LDD120-2424 LDD120-4812 LDD120-4824 < 20 W < 25 W < 24 W < 14 W < 20 W < 15 W < 16 W 1 Ripple and Noise are measured with 20 MHz bandwidth, probe terminated with a 0.1μF MKP parallel capacitor. NOTE: Power rating, losses, efficiency, ripple, thermal behaviour and start-up may change outside of the nominal rated input range. Contact factory for details.

4 LDD120 Series

tech.support@psbel.com Operating Temperature Overtemperature protection (Start-up type tested: - 40°C)* - 40 to + 70°C Derating - 3 W/°C over 50°C Storage Temperature - 40 to + 80°C Humidity Non-condensing 5 - 95% RH non condensing Life Time Expectation AT 25°C ambient 64000 h (7.3 years) Overvoltage Category Pollution Degree I (EN50178) 2 (IEC60664-1) Protection Class Class I Isolation Voltage Input to Output Input to Ground Output to Ground 2.1 kVDC 1.41 kVDC 0.75 kVDC Safety Standards & Approvals UL508 (reference) EN60950 (reference) EN50178 (reference) EMC Standards Emission EN55022 EN55011 Class A Class A Immunity EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-11 Level 3 Level 3 Level 2 Level 2 Level 2 Protection Degree EN60529 IP20 Vibration sinusoidal IEC 60068-2-6 5-17.8 Hz: ±1.6 mm; 17.8-500 Hz: 2 g 2Hours / axis (X,Y,Z) Shock IEC 60068-2-27 30 g 6 ms, 20 g 11 ms; 3 bumps / direction, 18 bumps total * Possible at nominal voltage with load derating. Weight 0.5 kg Dimensions 54 x 115 x 110 mm Mounting Rail IEC 60715/H15/TH35-7.5(-15) Connection Terminals Screw type pluggable (24 - 12 AWG) 2.5 mm² Case Material Aluminum

Figure 1. Mechanical Drawing

1 DC input

2 DC output (Load)

3 Output voltage adjustment

4 Green LED: Output OK

equipment used in hazardous environments, or nuclear control systems. date manufactured. Specifications are subject to change without notice.