VRB4805YMD-20WR3 VRB4812YMD/VRB4824YMD VRB4803/09/12/15/24 DC-DC 20W Power Isolation Module
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Price$5.52
Product Feature
Ultra wide range input (2:1), 20W output
Conversion efficiency 91% (Typ)
Isolation voltage 1500Vdc
Standby power loss: 0.036W(Typ)
Ultra fast startup: 1ms(Typ)
Working temperature: -40°C ~ +85°C
Input undervoltage, output short circuit, overcurrent, overvoltage protection
Metal housing, low output ripple
Enviroment Condition
| Project name | Qualification | Unit | Notes |
| Working enviroment temperature | -40—+85 | ℃ | |
| Storage temperture | -40—+125 ℃ | ℃ | |
| Relative humidity | 5—95 | % | |
| Heat dissipation mode | natural cooling | ||
| Atmospheric pressure | 80—106 Kpa | Kpa |
Input Characteristics
| Item | Working conditions | Min. | Typ. | Max. | Unit | |
| Input voltage range(fully loaded/unloaded） | 12VDC Input Series | 3.3V | - | 1562/20 | 1589/30 | mA |
| 5V | - | 1852/25 | 1894/35 | |||
| 12V | - | 1852/25 | 1874/35 | |||
| 15V | - | 1832/25 | 1874/35 | |||
| 24V | - | 1832/25 | 1874/35 | |||
| ±5V | - | 1914/25 | 1960/35 | |||
| ±12V | - | 1852/1.5 | 1894/2 | |||
| ±15V | - | 1832/25 | 1874/35 | |||
| ±24V | - | 1832/25 | 1874/35 | |||
| 24VDC Input Series | 3.3V | - | 782/20 | 800/30 | ||
| 5V/9V | - | 926/25 | 947/35 | |||
| 12V | - | 926/1.5 | 947/2 | |||
| 15V | - | 916/1.5 | 937/2 | |||
| 24V | - | 916/1.5 | 937/2 | |||
| ±5V/±9V | - | 957/25 | 980/35 | |||
| ±12V | - | 926/1.5 | 947/2 | |||
| ±15V | - | 916/1.5 | 937/2 | |||
| ±24V | - | 916/1.5 | 937/2 | |||
| 48VDC Input Series | 3.3V | - | 391/10 | 400/15 | ||
| 5V/9V | - | 463/12 | 474/18 | |||
| 12V | - | 458/1 | 469/1.5 | |||
| 15V | - | 458/1 | 469/1.5 | |||
| 24V | - | 458/1 | 469/1.5 | |||
| ±5V/±9V | - | 484/1 | 469/1.5 | |||
| ±12V | - | 458/1 | 469/1.5 | |||
| ±15V | - | 458/1 | 469/1.5 | |||
| ±24V | - | 458/2 | 469/1.5 | |||
| Reflected Ripple Current | Nominal input voltage | -- | 40 | -- | mA | |
| Impulse voltage （Isec.max) | 12VDC Input Series | -0.7 | -- | 25 | VDC | |
| 24VDC Input Series | -0.7 | -- | 50 | |||
| 48VDC Input Series | -0.7 | -- | 100 | |||
| Start voltage | 12VDC nominal input series, nominal input voltage | - | - | 9 | ||
| 24VDC nominal input series, nominal input voltage | - | - | 18 | |||
| 48VDC nominal input series, nominal input voltage | - | - | 36 | |||
| Input undervoltage protection | 12VDC nominal input series, nominal input voltage | 5.5 | 6.5 | |||
| 24VDC nominal input series, nominal input voltage | 12 | 15.5 | - | |||
| 48VDC nominal input series, nominal input voltage | 28 | 34 | - | |||
| Start time | Nominal input voltage and constant resistance load | - | 1 | - | mS | |
| Input filter type | PI type | |||||
| Hot plugged | Non-support | |||||
| CNT (Ctrl)* | Module turned on | Ctrl dangling or TTL high level (3.5-12VDC) | ||||
| Module turned off | Ctrl connect to GND or low level (0-1.2VDC) | |||||
| Input current at shutdown | - | 0 | 1 | mA | ||
Output Characteristics
| Project name | Working and testing condition | +V01 | -V02 | |||||
| Min. | Typ. | Max. | Min. | Typ. | Max. | |||
| output load | load percentage | 0% | - | 100% | 0% | - | 100% | |
| Output Voltage Accuracy | - | ±1.0% | ±2.0% | - | ±2.0% | ±3.0% | ||
| Linear adjustment rate | input voltage range | - | ±0.2% | ±0.5% | - | ±1.5% | ±2.0% | |
| Load adjustment rate | 20%~100% rate load, balanced | -- | ±0.5% | ±1.0% | - | ±4.0% | ±5.0% | |
| Ripple & Noise | Pure resistive load, 20HMz bandwidth, peak-to-peak | -- | 50mVp-p | 80mVp-p | - | 50mVp-p | 80mVp-p | |
| Output voltage regulation | Input voltage range | - | No adjustment end | - | - | No adjustment endNo adjustment end | - | |
| Output short circuit protection | Continuous short circuit protection, automatic recovery | |||||||
| Notes: Ripple and Noise Test Methods Twisted Pair Test Method | ||||||||
