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Mean Well SDM30-12S5 DC-DC Converter - 25W - 9.2~18V in 5V out 5A
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SDM30-12S5 is the 5V output model of this series: rated current 5A, rated power 25W, typical efficiency 77%.
Features
- Wide 2:1 DC input range
- In/out capacitance1000pF
- Protections: Short circuit / Overload / Over voltage
- 1000VDC I/O isolation for D/D
- Cooling by free air convection
- Built-in remote ON-OFF control
- 100% full load burn-in test
- Fixed switching frequency at 225KHz
- Low cost
- High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 5V
- RATED CURRENT
- 5A
- CURRENT RANGE
- 0 ~ 5A
- RATED POWER
- 25W
- RIPPLE & NOISE (max.)Note.2
- 75mVp-p
- VOLTAGE TOLERANCENote.3
- ±2.0% max.
- LINE REGULATION
- ±1.0%
- LOAD REGULATION
- ±1.0%
- TRIM OUTPUT
- ±13%(Typ.) output voltage
INPUT
- RATED DC INPUT
- 12S: 12VDC 24S: 24VDC 48S: 48VDC
- VOLTAGE RANGE
- 12S: 9.2 ~ 18VDC 24S: 18~ 36VDC 48S: 36~ 72VDC
- EFFICIENCY (Typ.)
- 77%
- DC CURRENT
- 12S:3.6A 24S:2A 48S:1A
- IDLE CURRENT
- 12S:35mA 24S/48S:30mA
PROTECTION
- OVERLOAD
- Above 105% rated output power Protection type : Over power limiting, recovers automatically after fault condition is removed
- OVER VOLTAGE
- 5.75 ~ 7.5V Protection type : Shut off o/p voltage, clamping by zener diode
- SHORT CIRCUIT
- Protection type : Constant current limiting, recovers automatically after fault condition is removed
FUNCTION
- ON/OFF CONTROL
- Logic "1" or open: power on Logic "0" short to Vin-: power off
ENVIRONMENT
- WORKING TEMP.
- -25 ~ +85℃ (Refer to "Derating Curve")
- STORAGE TEMP., HUMIDITY
- -25 ~ +85℃, 0 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03%/℃ (0~50℃)
SAFETY & EMC (Note 6)
- SAFETY STANDARDS
- Design refer to LVD, EAC TP TC 004 approved
- ISOLATION VOLTAGE
- I/P-O/P:1KVDC
- ISOLATION RESISTANCE
- I/P-O/P: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/EN61000-2,3,4,6,8, BS EN/EN55035, light industry level, EAC TP TC 020
OTHERS
- MTBF
- 8083.5K hrs min. Telcordia SR-332 (Bellcore) ; 777.2K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 50.8*50.8*16mm (2"*2"*0.63") (L*W*H)
- PACKING
- 0.1Kg; 150pcs/15.8Kg/0.94CUFT
Test conditions and notes7
- 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. Short circuit not more than 60 second.
- 5. DC source wires ≧5cm, an input external al capacitor 47 ~ 100uF is required.
- 6. 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 230mm*230mm 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 )
- 7. 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).
Technical drawings
Downloads
FAQ
Can I use the SDM30-12S5 to power 5V industrial control electronics from a 9.2-18VDC source?
Yes, if the load requires a constant 5V output and stays within 25W and 5A. This model is rated for 9.2-18VDC input and provides 5V constant-voltage output, which fits low-voltage industrial control and automation electronics within that power range.
Is the SDM30-12S5 suitable for 5V embedded computing or SBC loads in equipment that has 12V-class DC available?
It can be a fit when the available source is within the specified 9.2-18VDC input range and the 5V load does not exceed 25W or 5A. That makes it appropriate for 5V embedded boards and control logic that need regulated constant-voltage output in that range.
Can this converter be used for 5V automation peripherals that draw higher current?
This model supports up to 5A at 5V, so it suits 5V peripherals or control subsystems that need more current than lower-current 5V supplies can provide. The total load still needs to remain within the 25W output rating.
Is the SDM30-12S5 appropriate for outdoor or harsh-environment use?
The listed operating temperature range is -25°C to +85°C, with load derating at higher ambient temperatures per the derating curve, so the temperature rating is broad. However, no IP rating is provided in the supplied specs, so these specs alone do not establish outdoor or washdown suitability and an enclosure decision would need to account for that.
How does the SDM30-12S5 compare with the other SDM30 series converters?
Within the listed siblings, outputs include 3.3V at 16.5W and 5A, 5V at 25W and 5A, 12V at 25.2W and 2.1A or 30W at 2.5A, and 15V at 25.5W and 1.7A or 30W at 2A. The series also spans three input groups: 9.2-18V in the 12S models, 18-36V in the 24S models, and 36-72V in the 48S models, with the SDM30-12S5 specifically being the 5V, 25W, 5A option in the 9.2-18V input group.
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