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YKB20 Series
YDS
20W 4:1 Wide Input DIL Package 1.6KV Isolation DC DC Power Converter
20W DIL package.
4:1 Wide Input Voltage Range.
High Efficiency Up to 91%.
Regulated Output Types.
No Minimum Load Required.
Over Power and Short Circuit Protection.
UL94V-0 package material.
Operating Temperature: -40℃ to +87℃(with derating).
UL94V-0 Package Material.
100% Burned In.
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 | |
|---|---|---|---|---|---|---|---|
| No Load | Full Load | ||||||
| Vdc | mA(TYP) | mA(TYP) | Vdc | mA(TYP) | %(TYP) | μF | |
| YKB20-24S05 | 9-36 | 7 | 958 | 5 | 4000 | 87 | 6800 |
| YKB20-24S12 | 9-36 | 7 | 938 | 12 | 1670 | 89 | 1200 |
| YKB20-24S15 | 9-36 | 7 | 934 | 15 | 1330 | 89 | 750 |
| YKB20-24S24 | 9-36 | 7 | 915 | 24 | 833 | 91 | 300 |
| YKB20-24D12 | 9-36 | 7 | 936 | ± 12 | ±833 | 89 | ±820 |
| YKB20-24D15 | 9-36 | 7 | 934 | ±15 | ±665 | 89 | ±560 |
| YKB20-48S05 | 18-75 | 4 | 474 | 5 | 4000 | 88 | 6800 |
| YKB20-48S12 | 18-75 | 4 | 469 | 12 | 1670 | 89 | 1200 |
| YKB20-48S15 | 18-75 | 4 | 467 | 15 | 1330 | 89 | 750 |
| YKB20-48S24 | 18-75 | 4 | 463 | 24 | 833 | 90 | 300 |
| YKB20-48D12 | 18-75 | 7 | 468 | ±12 | ±833 | 89 | ± 820 |
| YKB20-48D15 | 18-75 | 7 | 467 | ±15 | ±665 | 89 | ±560 |
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Input Voltage | 24V Models | 9 | 36 | Vdc | ||
| 48V Models | 18 | 75 | Vdc | |||
| 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 | Vdc | ||||
| Under Voltage Shutdown | 24V Models | 7.5 | Vdc | |||
| 48V Models | 16 | Vdc | ||||
| Start-up Time | Constant Resistive Load, Nominal Vins | Power-up | 30 | ms | ||
| Remote ON/OFF | 30 | ms | ||||
| Input Filter | All Models | Internal Pi type | ||||
| Remote ON/OFF (Ctrl PIN Refer To –Vin PIN) | Positive Logic | DC/DC ON | Open or 3.5 Vdc - 12 Vdc | |||
| DC/DC OFF | Short or 0 Vdc – 1.2 Vdc | |||||
| Input Current Of Ctrl PIN | -0.5 | 0.5 | mA | |||
| Remote Off Input Current | 3 | mA | ||||
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Voltage Tolerance | 100% load | -2 | +2 | % | ||
| Line Regulation | Vin(min) to Vin(max) @100% Load | -0.2 | +0.2 | % | ||
| Load Regulation | 0% Load to 100% Load | 5V Output | -1 | +1 | % | |
| Other Output | -0.5 | +0.5 | % | |||
| Load Cross Regulation | Asymmetrical Load 25% / 100% Load | Dual Output | -5.0 | +5.0 | % | |
| Ripple & Noise (BW=20MHz) | With a 0.1uF MLCC | 5Vout | 100 | mVp-p | ||
| 12Vout, ±12Vout | 100 | |||||
| 15Vout, ±15Vout | 100 | |||||
| 24Vout | 150 | |||||
| Transient Response Setting Time | 25% Load Step Change | 300 | 500 | μs | ||
| Transient Response Deviation | 25% Load Step Change | -5 | ± 3 | +5 | % | |
| Temperature Coefficient | -0.02 | +0.02 | %/℃ | |||
| 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 | Vdc | ||||
| 15Vout | 18 | Vdc | ||||
| 24Vout | 30 | Vdc | ||||
| 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 | 250 | KHz | ||
| Other Output | 330 | KHz | ||||
| Operating Ambient Temperature (Power Derating See Derating Graph) | Nominal Vin, 100% Load | YKB20-24S05 | -40 | 51.2 | ℃ | |
| YKB20-48S05 | 55.9 | ℃ | ||||
| YKB20-24S12, YKB20-24S15, YKB20-24D12, YKB20-24D15, YKB20-48S12, YKB20-48S15, YKB20-48D12, YKB20-48D15 | 60.5 | ℃ | ||||
| YKB20-24S24 | 69.4 | ℃ | ||||
| YKB20-48S24 | 65 | ℃ | ||||
| Thermal Impedance | 20LFM | 18 | ℃/W | |||
| 100LFM | 14.7 | |||||
| 200LFM | 11.5 | |||||
| 400LFM | 8 | |||||
| Maximum Case Temperature | 105 | ℃ | ||||
| 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) | 4.47X105 | Hours | |||
| Weight | 18 | g | ||||
| Dimensions | 31.6 x 20.1 x 10.0 | mm | ||||
Files Download 
YKB20-Series.pdf
20W 4:1 Wide Input DIL Package 1.6KV Isolation DC DC Power Converter
20W DIL package.
4:1 Wide Input Voltage Range.
High Efficiency Up to 91%.
Regulated Output Types.
No Minimum Load Required.
Over Power and Short Circuit Protection.
UL94V-0 package material.
Operating Temperature: -40℃ to +87℃(with derating).
UL94V-0 Package Material.
100% Burned In.
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 | |
|---|---|---|---|---|---|---|---|
| No Load | Full Load | ||||||
| Vdc | mA(TYP) | mA(TYP) | Vdc | mA(TYP) | %(TYP) | μF | |
| YKB20-24S05 | 9-36 | 7 | 958 | 5 | 4000 | 87 | 6800 |
| YKB20-24S12 | 9-36 | 7 | 938 | 12 | 1670 | 89 | 1200 |
| YKB20-24S15 | 9-36 | 7 | 934 | 15 | 1330 | 89 | 750 |
| YKB20-24S24 | 9-36 | 7 | 915 | 24 | 833 | 91 | 300 |
| YKB20-24D12 | 9-36 | 7 | 936 | ± 12 | ±833 | 89 | ±820 |
| YKB20-24D15 | 9-36 | 7 | 934 | ±15 | ±665 | 89 | ±560 |
| YKB20-48S05 | 18-75 | 4 | 474 | 5 | 4000 | 88 | 6800 |
| YKB20-48S12 | 18-75 | 4 | 469 | 12 | 1670 | 89 | 1200 |
| YKB20-48S15 | 18-75 | 4 | 467 | 15 | 1330 | 89 | 750 |
| YKB20-48S24 | 18-75 | 4 | 463 | 24 | 833 | 90 | 300 |
| YKB20-48D12 | 18-75 | 7 | 468 | ±12 | ±833 | 89 | ± 820 |
| YKB20-48D15 | 18-75 | 7 | 467 | ±15 | ±665 | 89 | ±560 |
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Input Voltage | 24V Models | 9 | 36 | Vdc | ||
| 48V Models | 18 | 75 | Vdc | |||
| 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 | Vdc | ||||
| Under Voltage Shutdown | 24V Models | 7.5 | Vdc | |||
| 48V Models | 16 | Vdc | ||||
| Start-up Time | Constant Resistive Load, Nominal Vins | Power-up | 30 | ms | ||
| Remote ON/OFF | 30 | ms | ||||
| Input Filter | All Models | Internal Pi type | ||||
| Remote ON/OFF (Ctrl PIN Refer To –Vin PIN) | Positive Logic | DC/DC ON | Open or 3.5 Vdc - 12 Vdc | |||
| DC/DC OFF | Short or 0 Vdc – 1.2 Vdc | |||||
| Input Current Of Ctrl PIN | -0.5 | 0.5 | mA | |||
| Remote Off Input Current | 3 | mA | ||||
| Parameters | Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|
| Voltage Tolerance | 100% load | -2 | +2 | % | ||
| Line Regulation | Vin(min) to Vin(max) @100% Load | -0.2 | +0.2 | % | ||
| Load Regulation | 0% Load to 100% Load | 5V Output | -1 | +1 | % | |
| Other Output | -0.5 | +0.5 | % | |||
| Load Cross Regulation | Asymmetrical Load 25% / 100% Load | Dual Output | -5.0 | +5.0 | % | |
| Ripple & Noise (BW=20MHz) | With a 0.1uF MLCC | 5Vout | 100 | mVp-p | ||
| 12Vout, ±12Vout | 100 | |||||
| 15Vout, ±15Vout | 100 | |||||
| 24Vout | 150 | |||||
| Transient Response Setting Time | 25% Load Step Change | 300 | 500 | μs | ||
| Transient Response Deviation | 25% Load Step Change | -5 | ± 3 | +5 | % | |
| Temperature Coefficient | -0.02 | +0.02 | %/℃ | |||
| 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 | Vdc | ||||
| 15Vout | 18 | Vdc | ||||
| 24Vout | 30 | Vdc | ||||
| 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 | 250 | KHz | ||
| Other Output | 330 | KHz | ||||
| Operating Ambient Temperature (Power Derating See Derating Graph) | Nominal Vin, 100% Load | YKB20-24S05 | -40 | 51.2 | ℃ | |
| YKB20-48S05 | 55.9 | ℃ | ||||
| YKB20-24S12, YKB20-24S15, YKB20-24D12, YKB20-24D15, YKB20-48S12, YKB20-48S15, YKB20-48D12, YKB20-48D15 | 60.5 | ℃ | ||||
| YKB20-24S24 | 69.4 | ℃ | ||||
| YKB20-48S24 | 65 | ℃ | ||||
| Thermal Impedance | 20LFM | 18 | ℃/W | |||
| 100LFM | 14.7 | |||||
| 200LFM | 11.5 | |||||
| 400LFM | 8 | |||||
| Maximum Case Temperature | 105 | ℃ | ||||
| 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) | 4.47X105 | Hours | |||
| Weight | 18 | g | ||||
| Dimensions | 31.6 x 20.1 x 10.0 | mm | ||||
Files Download 
YKB20-Series.pdf
