9W 1.6KV Isolation 4:1 SIP8 Package DC-DC Converters
27DW-9W Series
9W 1.6KV 4:1 Wide Input Range DC to DC Power Conversion
1.6KV isolation 9 watt wide input 4:1 voltage range DC to DC power converter. 27DW-9W series is available in an 8-pin SIP package. The efficiency is up to 89%. The operating environment temperature is from -40°C to +78.15°C. 27DW-9W series has passed EMI standard EN55032:2012+AC:2013 certification (Class B) and EMS standard EN55024 : 2010 certification.
The DC-DC power converter products of Yuan Dean are RoHS-compliant, and can be customized for products. The products are guaranteed for 3 years after sale.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

Features
- 9W SIP8 package.
- 4:1 wide input voltages range.
- High efficiency up to 89%.
- Customized solutions available.
- Remote control: on/off.
- Operating temperature: -40°C to +78.15°C.
- UL94V-0 package material.
- EMC standard of EMI EN55032:2012+AC:2013 (Class B) approved.
- EMC standard of EMS EN55024:2010 approved.
- 3 years warranty.
Applications
- Industry equipment.
- Sensing equipment.
- Instruments.
- Wireless Network.
- Telecom/Datacom.
- Measurement.
- Aviation.
Specifications typical at TA = 25°C, nominal input voltage and rated output current unless otherwise specified
Part Number | Input Voltage Range | Input Current | Output Voltage Range | Output Current | Efficiency | |
---|---|---|---|---|---|---|
Vdc | No Load (mA TYP) | Full Load (mA TYP) | Vdc | mA | %Typ | |
27DW-24S03R9W | 9-36 | 7 | 335 | 3.3 | 2000 | 82 |
27DW-24S05R9W | 9-36 | 7 | 392 | 5 | 1600 | 85 |
27DW-24S12R9W | 9-36 | 7 | 426 | 12 | 750 | 88 |
27DW-24S15R9W | 9-36 | 7 | 426 | 15 | 600 | 88 |
27DW-24S24R9W | 9-36 | 7 | 421 | 24 | 375 | 89 |
27DW-48S03R9W | 18-75 | 7 | 168 | 3.3 | 2000 | 82 |
27DW-48S05R9W | 18-75 | 7 | 196 | 5 | 1600 | 85 |
27DW-48S12R9W | 18-75 | 7 | 213 | 12 | 750 | 88 |
27DW-48S15R9W | 18-75 | 7 | 213 | 15 | 600 | 88 |
27DW-48S24R9W | 18-75 | 7 | 211 | 24 | 375 | 89 |
27DW-24D05R9W | 9-36 | 7 | 388 | ± 5 | ± 800 | 86 |
27DW-24D12R9W | 9-36 | 7 | 426 | ± 12 | ± 375 | 88 |
27DW-24D15R9W | 9-36 | 7 | 426 | ± 15 | ± 300 | 88 |
27DW-48D05R9W | 18-75 | 7 | 196 | ± 5 | ± 800 | 85 |
27DW-48D12R9W | 18-75 | 7 | 213 | ± 12 | ± 375 | 88 |
27DW-48D15R9W | 18-75 | 7 | 216 | ± 15 | ± 300 | 87 |
Input Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Voltage Types | Vo, Io Nom | 4:1 | |||
Filter | Capacitor |
Output Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Voltage Tolerance | 100% full load | ± 2 | % | ||
Short Circuit Protection | Continuous, Auto-Recovery | ||||
Line Regulation | -0.5 | +0.5 | % | ||
Load Regulation | Single output models Dual output models (Balance Load) | -0.5 -1.0 | +0.5 +1.0 | % | |
Ripple & Noise | Output:3-10V Types BW=DC To 20MHz | 100 | mVp-p | ||
Output>10V Types BW=DC To 20MHz | 1% of Vout | mVp-p | |||
Transient response setting time | 25% load step change | 250 | us |
General Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Isolation Voltage | 1600 | Vdc | |||
Isolation Resistance | 500Vdc | 1000 | MΩ | ||
Switching Frequency (Full load, nominal input) | Single Dual | 400 500 | KHz | ||
Operating Temperature | With derating | -40 | +78.15 | °C | |
Storage Temperature | -55 | +125 | °C | ||
Temperature Coefficient | 100% Load | ±0.03 | %/°C | ||
Humidity | Non Condensing | 95 | % | ||
Cooling | Natural Convection (20LFM) | ||||
Case Material | Plastic | ||||
MTBF | MIL-HDBK-217F @25°C | 2.696x106 | Hours | ||
Weight | 4.8 | g | |||
Dimensions | 21.8 x 9.2 x 11.1 | mm |
Certification


- Markings and DimensionsRelated ProductsFiles Download
9W 1.6KV Isolation 4:1 SIP8 Package DC-DC Converters - 9W 1.6KV 4:1 Wide Input Range DC to DC Power Conversion | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include 9W 1.6KV Isolation 4:1 SIP8 Package DC-DC Converters, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.
YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.
YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.