bel LDD3-1205 3W DIN Rail DC-DC Converter Owner’s Manual
- June 16, 2024
- bel
Table of Contents
LDD3-1205 3W DIN Rail DC-DC Converter
LDD3-1205 3W DIN Rail DC-DC Converter
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 ease of installation make them ideal for various
industrial applications.
Key Features & Benefits
- Compact Design
- High Efficiency
- Plastic Enclosure, circuit breaker shape
- Overload 150%
- Up to 70°C Operating Temperature
Applications
- Industrial machine control
- Process control
- Energy management
- Remote control systems
MODEL SELECTION
MODEL| INPUT VOLTAGE| INPUT CURRENT| OUTPUT VOLTAGE|
OUTPUT CURRENT
---|---|---|---|---
LDD3-1205| 12 VDC (9 – 18 VDC)| 0.6A| 5 VDC| 0.6A
INPUT SPECIFICATIONS
Technical parameters are typical, measured in laboratory environment at 25°C and 12 VDC, at nominal values gr mining 5 minutes of operation.
| PARAMETER | DESCRIPTION / CONDITION | SPECIFICATION |
|---|---|---|
| Input DC Voltage | Rated Operating | 12 VDC |
9- 18 VDC
Input DC Current| | 0.6 A
Internal Protection Fuse| Not user replaceable| 1.25 AT / 250 VAC
OUTPUT SPECIFICATIONS
| PARAMETER | DESCRIPTION / CONDITION | SPECIFICATION |
|---|---|---|
| Output Power | 3 W | |
| Rated Voltage | 5 VDC (± 3% max.) | |
| Continuous Current | 0.6 A | |
| Overload Limit | 0.85 A | |
| Short Circuit Peak Current | 1.1 A | |
| Load Regulation | ≤ 1% | |
| Ripple & Noise1 | ≤ 30 mVpp | |
| Hold up Time | ≥ 10 ms | |
| Protections | Overload, short circuit with hiccup mode | |
| Status Signals | Green LED = DC OK | |
| Parallel Connection | Possible for redundancy (with external ORing module) | |
| Efficiency | > 68% | |
| Dissipated Power | < 1.4 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.
ENVIRONMENTAL, EMC & SAFETY SPECIFICATIONS
| PARAMETER | DESCRIPTION / CONDITION | SPECIFICATION |
|---|---|---|
| Temperature | Operating (Start-up type tested: – 40°C)” | |
| Storage | – 40°C to + 70°C |
– 40°C to + 80°C
Derating| | 0.08 W/°C over 60°C
Humidity| Non-condensing| 5 – 95% RH
Life Time Expectancy| At 25°C ambient full load| 211118 h (24.1 years)
Overvoltage Category
Pollution Degree| | (EN50178)
2 (IEC60664-1)
Protection Class| | Class Il
Isolation Voltage| Input to Output| 1.5 kVDC
Safety Standards & Approvals| UL508 (reference)
EN60950 (reference)
EN50178 (reference)|
EMC Standards| Emission
EN55011 (CISPR1 1)
EN55022 (CISPR22)
Immunity
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-11| Class B
Class B
Level 3
Level 3
Level 4
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: 2g 2Hours
/ axis (X,Y,Z)
Shock| IEC 60068-2-27| 30g 6 ms, 20g 11 ms; 3 bumps / direction, 18 bumps
total
- Possible with load derating.
MECHANICAL SPECIFICATIONS
| PARAMETER | DESCRIPTION / CONDITION | SPECIFICATION |
|---|---|---|
| Weight | 100 g | |
| Dimensions | 35 x 90 x 61.5 mm | |
| Mounting Rail | IEC 60715/H15/TH35-7.5(-15) | |
| Connection Terminals | Screw type Header (24 – 12 AWG) | 2.5 mm² |
| Case Material | ABS, Flame retardant UL94 V-0 | |
| INPUT CONNECTION | OUTPUT CONNECTION |
|---|---|
| + = Positive DC (11) | + = Positive DC (5) |
| – = Negative DC (12) | – = Negative DC (6) |
For more infoemation on these products consult: [email protected]
NUCLEAR AND MEDICAL APPLICATIONS – Products are not designed or intended
for use as critical components in life support systems, equipment used in
hazardous environments, or nuclear control systems.
TECHNICAL REVISIONS – The appearance of products, including safety agency
certifications pictured on labels, may change depending on the date
manufactured. Specifications are subject to change without notice.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
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