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YNB50 Series
YDS
50W 2'' x 1'' Size 1.6KV Isolation 4:1 Wide Input DC/DC Power Conversion
Features
50 watt 2"x 1" DIL package.
4:1 wide input voltage.
High efficiency to 92%.
Regulated Output Types.
No Minimum Load Required.
Over Power and Short Circuit Protection.
Over Temperature Protection.
Operating temperature:-40°C to +82°C.
UL/cUL/IEC/EN 62368-1 approved, CB-Report, CE Marking.
EMC standard of EMI EN55032:2015 approved.
EMC standard of EMS EN55035:2017 approved.
EMC standard of Canadian ICES-003 issue7(2020) approved.
EMC standard of 47CFR FCC Part 15 subpart B approved.
| Part Number | Input Voltage Range | Input Current | Output Voltage | Output Current | Efficiency | Maximum Capacitor Load | |
|---|---|---|---|---|---|---|---|
| Vdc | No-Load (mA TYP) | Full Load (mA TYP) | Vdc | mA | %TYP | μF | |
| YNB50-24S05 | 9-36 | 60 | 2290 | 5 | 10000 | 91 | 17000 |
| YNB50-24S12 | 9-36 | 80 | 2267 | 12 | 4170 | 92 | 3000 |
| YNB50-24S15 | 9-36 | 80 | 2263 | 15 | 3330 | 92 | 2000 |
| YNB50-24S24 | 9-36 | 80 | 2286 | 24 | 2080 | 91 | 750 |
| YNB50-48S05 | 18-75 | 40 | 1145 | 5 | 10000 | 91 | 17000 |
| YNB50-48S12 | 18-75 | 60 | 1134 | 12 | 4170 | 92 | 3000 |
| YNB50-48S15 | 18-75 | 60 | 1131 | 15 | 3330 | 92 | 2000 |
| YNB50-48S24 | 18-75 | 60 | 1143 | 24 | 2080 | 91 | 750 |
| 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 | |||
| 48V Models | -0.7 | 100 | ||||
| Start-up Voltage | 24V Models | 9 | Vdc | |||
| 48V Models | 18 | |||||
| Under Voltage Shutdown | 24V Models | 7.5 | Vdc | |||
| 48V Models | 16 | |||||
| Start-up Time | Constant Resistive Load, Nominal Vin | Power-up | 30 | ms | ||
| Remote ON/OFF | 30 | |||||
| Input Filter | All Models | Internal Pi Type | ||||
| Remote ON/OFF (Ctrl PIN Refer To –Vin PIN) | Positive Logic (Standard) | DC/DC ON | Open or 3.5 - 12 Vdc | |||
| DC/DC OFF | Short or 0 - 1.2 Vdc | |||||
| Input Current Of Ctrl PIN | -0.5 | 0.5 | mA | |||
| Remote Off Input Current | 3 | |||||
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Voltage Tolerance | 100% Load | -1 | +1 | % | ||
| Line Regulation | Vin(min) to Vin(max) @100% Load | -0.2 | +0.2 | % | ||
| Load Regulation | 0% Load to 100% Load | -0.5 | +0.5 | % | ||
| Ripple & Noise (BW=20MHz) | With an 1uF MLCC and a 10uF tantalum Capacitor | 5Vout | 100 | mVp-p | ||
| 12Vout | 150 | |||||
| 15Vout | 150 | |||||
| 24Vout | 150 | |||||
| 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 | %/℃ | |||
| Voltage Adjustability | % of Vout | -10 | +10 | % | ||
| Output Power Protection | % of Io, Hiccup mode, Auto-recovery | 120 | 150 | 180 | % | |
| 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 | |||||
| Isolation Resistance | 500Vdc | 1000 | MΩ | |||
| Isolation Capacitance | 100kHz, 1V | 2200 | pF | |||
| Switching Frequency | 100% Load, Nominal Input | 280 | KHz | |||
| Operating Ambient Temperature (Power Derating See Derating Graph) | Nominal Vin, 100% Load | YNB50-24S05, YNB50-24S24, YNB50-48S05, YNB50-48S24 | -40 | 53 | ℃ | |
| YNB50-24S12, YNB50-24S15, YNB50-48S12, YNB50-48S24 | 60 | |||||
| Nominal Vin, 100% Load With Heatsink | YNB50-24S05, YNB50-24S24, YNB50-48S05, YNB50-48S24 | -40 | 62 | |||
| YNB50-24S12, YNB50-24S15, YNB50-48S12, YNB50-48S24 | 67 | |||||
| Maximum Case Temperature | 105 | ℃ | ||||
| Over Temperature Protection | Case temperature | 115 | ℃ | |||
| Storage Temperature | -55 | 125 | ℃ | |||
| Humidity | Non Condensing | 5 | 95 | % | ||
| Cooling | Natural Convection | |||||
| Case Material | Copper | |||||
| Potting Material | Silicone (UL94-V0) | |||||
| MTBF | MIL-HDBK-217F@25℃ (calculated) | 2.59X105 | Hours | |||
| Weight | 50 | g | ||||
| Dimensions | 50.8 x 25.4 x 11.6 | mm | ||||
Files Download 
YNB50-Series.pdf
50W 2'' x 1'' Size 1.6KV Isolation 4:1 Wide Input DC/DC Power Conversion
Features
50 watt 2"x 1" DIL package.
4:1 wide input voltage.
High efficiency to 92%.
Regulated Output Types.
No Minimum Load Required.
Over Power and Short Circuit Protection.
Over Temperature Protection.
Operating temperature:-40°C to +82°C.
UL/cUL/IEC/EN 62368-1 approved, CB-Report, CE Marking.
EMC standard of EMI EN55032:2015 approved.
EMC standard of EMS EN55035:2017 approved.
EMC standard of Canadian ICES-003 issue7(2020) approved.
EMC standard of 47CFR FCC Part 15 subpart B approved.
| Part Number | Input Voltage Range | Input Current | Output Voltage | Output Current | Efficiency | Maximum Capacitor Load | |
|---|---|---|---|---|---|---|---|
| Vdc | No-Load (mA TYP) | Full Load (mA TYP) | Vdc | mA | %TYP | μF | |
| YNB50-24S05 | 9-36 | 60 | 2290 | 5 | 10000 | 91 | 17000 |
| YNB50-24S12 | 9-36 | 80 | 2267 | 12 | 4170 | 92 | 3000 |
| YNB50-24S15 | 9-36 | 80 | 2263 | 15 | 3330 | 92 | 2000 |
| YNB50-24S24 | 9-36 | 80 | 2286 | 24 | 2080 | 91 | 750 |
| YNB50-48S05 | 18-75 | 40 | 1145 | 5 | 10000 | 91 | 17000 |
| YNB50-48S12 | 18-75 | 60 | 1134 | 12 | 4170 | 92 | 3000 |
| YNB50-48S15 | 18-75 | 60 | 1131 | 15 | 3330 | 92 | 2000 |
| YNB50-48S24 | 18-75 | 60 | 1143 | 24 | 2080 | 91 | 750 |
| 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 | |||
| 48V Models | -0.7 | 100 | ||||
| Start-up Voltage | 24V Models | 9 | Vdc | |||
| 48V Models | 18 | |||||
| Under Voltage Shutdown | 24V Models | 7.5 | Vdc | |||
| 48V Models | 16 | |||||
| Start-up Time | Constant Resistive Load, Nominal Vin | Power-up | 30 | ms | ||
| Remote ON/OFF | 30 | |||||
| Input Filter | All Models | Internal Pi Type | ||||
| Remote ON/OFF (Ctrl PIN Refer To –Vin PIN) | Positive Logic (Standard) | DC/DC ON | Open or 3.5 - 12 Vdc | |||
| DC/DC OFF | Short or 0 - 1.2 Vdc | |||||
| Input Current Of Ctrl PIN | -0.5 | 0.5 | mA | |||
| Remote Off Input Current | 3 | |||||
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Voltage Tolerance | 100% Load | -1 | +1 | % | ||
| Line Regulation | Vin(min) to Vin(max) @100% Load | -0.2 | +0.2 | % | ||
| Load Regulation | 0% Load to 100% Load | -0.5 | +0.5 | % | ||
| Ripple & Noise (BW=20MHz) | With an 1uF MLCC and a 10uF tantalum Capacitor | 5Vout | 100 | mVp-p | ||
| 12Vout | 150 | |||||
| 15Vout | 150 | |||||
| 24Vout | 150 | |||||
| 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 | %/℃ | |||
| Voltage Adjustability | % of Vout | -10 | +10 | % | ||
| Output Power Protection | % of Io, Hiccup mode, Auto-recovery | 120 | 150 | 180 | % | |
| 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 | |||||
| Isolation Resistance | 500Vdc | 1000 | MΩ | |||
| Isolation Capacitance | 100kHz, 1V | 2200 | pF | |||
| Switching Frequency | 100% Load, Nominal Input | 280 | KHz | |||
| Operating Ambient Temperature (Power Derating See Derating Graph) | Nominal Vin, 100% Load | YNB50-24S05, YNB50-24S24, YNB50-48S05, YNB50-48S24 | -40 | 53 | ℃ | |
| YNB50-24S12, YNB50-24S15, YNB50-48S12, YNB50-48S24 | 60 | |||||
| Nominal Vin, 100% Load With Heatsink | YNB50-24S05, YNB50-24S24, YNB50-48S05, YNB50-48S24 | -40 | 62 | |||
| YNB50-24S12, YNB50-24S15, YNB50-48S12, YNB50-48S24 | 67 | |||||
| Maximum Case Temperature | 105 | ℃ | ||||
| Over Temperature Protection | Case temperature | 115 | ℃ | |||
| Storage Temperature | -55 | 125 | ℃ | |||
| Humidity | Non Condensing | 5 | 95 | % | ||
| Cooling | Natural Convection | |||||
| Case Material | Copper | |||||
| Potting Material | Silicone (UL94-V0) | |||||
| MTBF | MIL-HDBK-217F@25℃ (calculated) | 2.59X105 | Hours | |||
| Weight | 50 | g | ||||
| Dimensions | 50.8 x 25.4 x 11.6 | mm | ||||
Files Download 
YNB50-Series.pdf
