15W 1.6KV Isolation 4:1 Ultra Compact Size DC-DC Converters
YTB15 Series
15W Space Saving 1.6KV 4:1 Wide Input Range DC to DC Power Conversion
15Watt DC-DC converter YTB15 series has a compact size of only 24.0 x 14.0 x 9.8mm and ultra-wide input voltage range for 9-36V, 18-75V. The operating temperature is 40°C to +84°C(with derating).
Its performance is not limited by its size, the efficiency is up to 90%. This model makes it possible to meet the demand for space critical project with high power density.
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
- Space saving 15Watt DC-DC converter.
- 4:1 wide input voltage range.
- DIP 16 package.
- 1600Vdc isolation.
- Efficiency high up to 90%.
- Regulated output types.
- No minimum load required.
- Protection for short circuit and over voltage.
- Operating temperature:-40°C to +84°C(with derating)
- UL94V-0 package material.
- 100% burned in.
- 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 | Output Current | Efficiency | Maximum Capacitor Load | |
---|---|---|---|---|---|---|---|
No-Load | Full-Load | ||||||
Vdc | (mA TYP) | (mA TYP) | Vdc | (mA TYP) | %TYP | uF | |
YTB15-24S05 | 9-36 | 10 | 702 | 5 | 3000 | 89 | 3300 |
YTB15-24S12 | 9-36 | 10 | 702 | 12 | 1250 | 89 | 1000 |
YTB15-24S15 | 9-36 | 10 | 710 | 15 | 1000 | 88 | 680 |
YTB15-24S24 | 9-36 | 10 | 702 | 24 | 625 | 89 | 360 |
YTB15-24D12 | 9-36 | 10 | 710 | ± 12 | ± 625 | 88 | ± 560 |
YTB15-24D15 | 9-36 | 10 | 702 | ± 15 | ± 500 | 89 | ± 360 |
YTB15-48S05 | 18-75 | 7 | 351 | 5 | 3000 | 89 | 3300 |
YTB15-48S12 | 18-75 | 7 | 351 | 12 | 1250 | 89 | 1000 |
YTB15-48S15 | 18-75 | 7 | 355 | 15 | 1000 | 88 | 680 |
YTB15-48S24 | 18-75 | 7 | 351 | 24 | 625 | 89 | 360 |
YTB15-48D12 | 18-75 | 7 | 351 | ± 12 | ± 625 | 89 | ± 560 |
YTB15-48D15 | 18-75 | 7 | 347 | ± 15 | ± 500 | 90 | ± 360 |
Input Specifications
Parameters | Conditions | Min | Typ | Max | Units | |
---|---|---|---|---|---|---|
Input Voltage | 24V Models | 9 | 36 | Vdc | ||
48V Models | 18 | 75 | ||||
Input Surge Voltage (100 ms max.) | 24V Models | -0.7 | 50 | Vdc | ||
48V Models | -0.7 | 100 | Vdc | |||
Start-up Voltage | 24V Models | 9 | Vdc | |||
48V Models | 18 | |||||
Under Voltage Shutdown | 24V Models | 8 | Vdc | |||
48V Models | 15 | |||||
Start-up Time | Constant Resistive Load, Nominal Vin | Power-up | 35 | ms | ||
Input Filter | All Models | Internal LC type |
Output Specifications
Parameters | Conditions | Min | Typ | Max | Units | |
---|---|---|---|---|---|---|
Voltage Tolerance | 100% load | -2 | +2 | % | ||
Line Regulation | Vin(min) to Vin(max) @100% Load | -0.5 | +0.5 | % | ||
Load Regulation | 0% Load to 100% Load | -0.5 | +0.5 | % | ||
Load Cross Regulation | Asymmetrical Load 25% / 100% Load | Dual Output | -5.0 | +5.0 | % | |
Ripple & Noise (BW=20MHz) | All models | 60 | 100 | mVp-p | ||
Transient Response Setting Time | 25% Load Step Change | 350 | 500 | us | ||
Transient Response Deviation | 25% Load Step Change | -5 | ±3 | +5 | % | |
Temperature Coefficient | -0.02 | +0.02 | %/°C | |||
Output Power Protection | % of Io, Hiccup mode, Auto-recovery | 120 | 155 | 190 | % | |
Short Circuit Protection | Continuous [Hiccup Mode] ,Auto-Recovery | |||||
Over Voltage Protection | 5Vout | 6.2 | Vdc | |||
12Vout | 15 | |||||
15Vout | 18 | |||||
24Vout | 30 |
General Specifications
Parameters | Conditions | Min | Typ | Max | Units | |
---|---|---|---|---|---|---|
Isolation Voltage | Input To Output (60sec) | 1600 | Vdc | |||
Input(Output) To Case (60sec) | 1000 | Vdc | ||||
Isolation Resistance | 500Vdc | 1000 | MΩ | |||
Isolation Capacitance | 100kHz,1V | 2200 | pF | |||
Switching Frequency | 100% Load, Nominal Input | 5V Output | 270 | KHz | Other Output | 390 | KHz |
Operating Temperature (Power Derating See Derating Graph) | Nominal Vin, 100% Load | YTB15-24S05, YTB15-48S05, YTB15-24S12, YTB15-48S12, YTB15-24S24, YTB15-48S24, YTB15-24D15, YTB15-48D12 | -40 | 59.2 | °C | |
YTB15-24S15, YTB15-48S15, YTB15-24D12 | 54.5 | |||||
YTB15-48D15 | 63.8 | |||||
Thermal Impedance | 20LFM | 24.7 | °C/W | |||
100LFM | 21.2 | |||||
200LFM | 17.1 | |||||
400LFM | 11.3 | |||||
Maximum Case Temperature | 105 | °C | ||||
Storage Temperature | -55 | 125 | °C | |||
Humidity | Non Condensing | 5 | 95 | % | ||
Cooling | Natural Convection | |||||
Case Material | Copper, Black Coating | |||||
Potting Material | Silicone (UL94-V0) | |||||
MTBF | MIL-HDBK-217F@25°C (calculated) | 7.05X105 | Hours | |||
Weight | 11 | g | ||||
Dimensions | 24.0 x 14.0 x 9.8 | mm |
Certification

- Markings and Dimensions
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Details- Files Download
Ultra Compact Size DC-DC Converter 15W YTB15 Series
1.6KV Isolation Single Output Space saving DC-DC Converter PDF Catalogue
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15W 1.6KV Isolation 4:1 Ultra Compact Size DC-DC Converters - 15W Space Saving 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 15W 1.6KV Isolation 4:1 Ultra Compact Size 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.