MEAN WELL SD-50 Series Single Output DC-DC Converter Owner’s Manual

: June 1, 2024
: MEAN WELL

Table of Contents

Features :
GTIN CODE
SPECIFICATION
Mechanical Specification
Block Diagram
Derating Curve
Static Characteristics(SD-50C-24V)
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50W Single Output DC-DC Converter
SD-50 series MEAN WELL SD-50 Series Single Output DC-DC
Converter

Features :

2:1 wide input range
Protections: Short circuit / Overload / Over voltage
1500VAC I/O isolation
Built-in EMI filter, low ripple noise
100% full load burn-in test
Fixed switching frequency at 83KHz
Low cost
High reliability
2 years warranty

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

GTIN CODE

MW Search: https://www.meanwell.com/serviceGTIN.aspx

SPECIFICATION

MODEL| SD-50A-5| SD-50B-5| SD-50C-5| SD-50A-12| SD-50B-12| SD-50C-12| SD-50A-24| SD-50B-24| SD-50C-24
---|---|---|---|---|---|---|---|---|---
**OUTPUT*| DC VOLTAGE| 5V| 12V| 24V
RATED CURRENT| 10A| 4.2A| 2.1A
CURRENT RANGE| 0 ~ 10A| 0 ~ 4.2A| 0 ~ 2.1A
RATED POWER| 50W| 50.4W| 50.4W
RIPPLE & NOISE (max.) Note.2| 100mVp-p| 120mVp-p| 150mVp-p
VOLTAGE ADJ. RANGE| 4.5 ~ 5.5VDC| 11 ~ 16VDC| 23 ~ 30VDC
VOLTAGE TOLERANCE Note.3| ±2.0%| ±1.0%| ±1.0%
LINE REGULATION| ±0.5%| ±0.3%| ±0.2%
LOAD REGULATION| ±0.5%| ±0.3%| ±0.2%
SETUP, RISE, HOLD UP TIME| 2.5s, 50ms,——- at full load
INPUT| VOLTAGE RANGE| A:9.2 ~ 18VDC B:19 ~ 36VDC C:36 ~ 72VDC
EFFICIENCY (Typ.)| 70%| 73%| 76%| 72%| 75%| 78%| 74%| 80%| 83%
DC CURRENT| 7A/12V| 3A/24V| 1.5A/48V| 7A/12V| 3A/24V| 1.5A/48V| 7A/12V| 3A/24V| 1.5A/48V
PROTECTION| OVERLOAD| 105 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE| 5.75 ~ 6.75V/10% load| 16.8 ~ 20V/10% load| 31.5 ~ 37.5V/10% load
Protection type : Hiccup mode, recovers automatically after fault condition is removed
ENVIRONMENT| WORKING TEMP.| -10 ~ +60℃ (Refer to “Derating Curve”)
WORKING HUMIDITY| 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY| -20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT| ±0.03%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY & EMC (Note 4)| SAFETY STANDARDS| EAC TP TC 004 approved, Design refer to LVD, AS/NZS 62368.1
WITHSTAND VOLTAGE| I/P-O/P:1.5KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE| I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION| Compliance to BS EN/EN55032 (CISPR32) Class B, EAC TP TC 020
EMC IMMUNITY| Compliance to BS EN/EN61000-4-2,3,4,6,8, BS EN/EN55035, heavy industry level, EAC TP TC 020
OTHERS| MTBF| 3293.1K hrs min. Telcordia SR-332 (Bellcore) ; 512.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION| 1599738mm (LWH)
PACKING| 0.43Kg; 24pcs/11.35Kg/0.83CUFT
NOTE| 1. All parameters NOT specially mentioned are measured at 12,24,48VDC input, rated load and 25℃ of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1μF & 47μF 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 360mm360mm 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 https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
“5. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/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