MEAN WELL SD-350 Series 350W Single Output DC DC Converter Owner’s Manual

350W Single Output DC-DC Converter
SD – 350 series

User’s Manual

https://www.meanwell.com/Upload/PDF/DC-DC_EN.pdf

■ GTIN CODE
MW Search: https://www.meanwell.com/serviceGTIN.aspx

■ Features:

• 2:1 wide input range
• Protections: Short circuit / Overload / Over voltage / Over temperature
• 1500VAC I/O isolation
• Forced air cooling by built-in DC Fan
• 100% full load burn-in test
• 24V and 48V input voltage design refer to LVD
• 2 years warranty

SPECIFICATION

±1.0%
LINE REGULATION| ±0.5%| ±0.3%| ±0.2%| ±0.2%| 31.%| ±0.3%| ±0.2%| ±0 2%
LOAD REGULATION| ±1.0%| 31.%| 31.%| ±1.0%| ±1.0%| ±1.0%| 31.%| ±1.0%
SETUP, RISE TIME| 300ms, 50ms at full load
INPUT| VOLTAGE RANGE| 8:19 – 36VDC C:36 – 72VDC D:72 -144VDC
EFFICIENCY (Typ.)| 74%| 80%| 80%| 84%| 76%| 81%| 81%| 82%
DC CURRENT (Typ.)| 14.4A/24V| 16A/24V| 17.6A/24V| 17.6A/24V| 7.6A/48V| 8.8A/48V| 9.0A148V| 9.0A148V
INRUSH CURRENT (Typ.)| C:45N48VDC D:45A/96VDC
PROTECTION| OVERLOAD| 105 – 135% rated output power
Protection type : Shut down olp voltage, re-power on to recover
OVER VOLTAGE| 5.75 – 6.75V| 1 16.8 – 20V| 1 31.5 – 37.5V| 1 53 – 65V 1 5.75 – 6.7W| 1 16.8 – 20V| 1 31.5 – 37.5V| 1 53 – 65V
Protection type : Shut down o/p voltage. re-power on to recover
OVER TEMPERATURE| Shut down o/p voltage, recovers automatically after temperature goes down
EWIROMIENI| WORKING TEMP.| -20 – +60°C (Refer to ‘Derating Curve)
WORKING HUMIDITY| 20 – 90% RH non-condensing
STORAGE TEMP., HUMIDITY| -40 – +85°C, 10 – 95% RH
TEMP. COEFFICIENT| ±0.03%/t (0 – 50°C)
VIBRATION| 10 – 500Hz, 2G 10min./1cycle, 60min. each along X. V, Z axes
SAFETY & EMC
(Note 4)| SAFETY STANDARDS| EAC TP TC 004 approved, design refer to AS/NZS 62368.1
WITHSTAND VOLTAGE| I/P-01P:1.5KVAC 1/P-Fa2KVAC 0/P-FG:0.5KVAC
ISOLATION RESISTANCE| I/P-0/P, NP-FG, 0/P-FG:100M Ohms / 500VDC 125°C/ 70% RH
EMC EMISSION| Compliance to BS EN/EN55032 (CISPR32) Class B, EAC TP TC 020
EMC IMMUNITY| Compliance to BS EWEN61000-4-2,3,4,6,8, 8S EN/EN55035, light industry level, EAC TP TC 020
OTHERS| MTBF| 1705.6K hrs min. Telcordia SR-332 (Bellcore) ; 263.9K hrs min. MIL-HDBK-217F (25t )
DIMENSION| 215’115’50mm (L’W’H)
PACKING| 1.1Kg; 12pcs/14.4Kg10.9CUFT

NOTE

1. All parameters NOT specially mentioned are measured at 24,48,96VDC input, rated load and 25°C of ambient temperature.
2. Ripple & noise are measured at 2OMHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
5. The ambient temperature derating of 3.5°C/1000m with fanless models and of 5°C/1000m with fan models for operating altitude higher than 2000m(6500ft)
   ※ Product Liability Disclaimer : For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

SPECIFICATION

Protection type : Shut down o/p voltage, re-power on to recover
OVER VOLTAGE| 5.75 – 6.75V| 1 16.8 – 20V| 31.5 – 37.5V| 153 – 65V
Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE| Shut down o/p voltage, recovers automatically after temperature goes down
ENVIROMEK| WORKING TEMP.| -20 – +60°C (Refer to ‘Derating Curve’)
WORKING HUMIDITY| 20 – 90% RH non-condensing
STORAGE TEMP., HUMIDITY| -40 – +85°C, 10 – 95% RH
TEMP. COEFFICIENT| ±0.03%/°C (0 – 50°C)
VIBRATION| 10 – 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY &
EMC (Note 4)| SAFETY STANDARDS| IECIBS EN/EN 62368-1, EAC TP TC 004 approved, design refer to AS/NZS 62368.1
WITHSTAND VOLTAGE| I/P-0/P:1.5KVAC 1/P-Fa2KVAC 0/P-FG:0.5KVAC
ISOLATION RESISTANCE| I/P-O/P, I/P-FG, 0/P-FG:100M Ohms / 500VDC / 25°C/ 70% RH
EMC EMISSION| Compliance to BS EN/EN55022 (CISPR22) Class B, EAC TP TC 020
EMC IMMUNITY| Compliance to BS ENEN61000-4-2,3,4,6,8, BS EN/EN55035, light industry level, EAC TP TC 020
OTHERS| MTBF| 1705.6K hrs min. Tetcordia SR-332 (Bellcore) ; 263.9K hrs min. MIL-HDBK-217F (25-C )
DIMENSION| 215’115’50mm (L’W’H)
PACKING| 1.1Kg; 12pcs/14.4Kg/0.9CUFT

NOTE

1. All parameters NOT specially mentioned are measured at 24,48,96VDC input, rated load and 25°C of ambient temperature.
2. Ripple & noise are measured at 20OMHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
5. The ambient temperature derating of 3.5°C/1000m with fanless models and of 5°C/1000m with fan models for operating altitude higher than 2000m(6500ft)
   ※ Product Liability Disclaimer : For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

Mechanical Specification

Terminal Pin No. Assignment :

Block Diagram

Derating Curve

Static Characteristics

File Name:SD-350-SPEC 2022-09-20
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