Overview of this Hi-link VRB1212YMD-5WR3 isolated dc converter
Features
| Project name | Qualification | Unit | Notes |
| Working environment temperature of Hlk-VRB1212YMD-5WR3 12V to 12V 5W 0.42A DC to DC Power Module | -40—+85 | ℃ | |
| Storage temperture | -40—+125 ℃ | ℃ | |
| Relative humidity | 5—95 | % | |
| Heat dissipation mode | natural cooling | ||
| Atmospheric pressure | 80—106 Kpa | Kpa | |
| Ripple & Noise | 50/80(max) | Mvp-p |
Input Characteristics of Hlk-VRB1212YMD-5WR3 12V to 12V 5W 0.42A DC to DC Power Module
| Item | Working conditions | Min. | Typ. | Max. | Unit | |
| Input voltage range(fully loaded/unloaded） | 12VDC Input Series | 3.3V | – | 428/25 | 440/30 | mA |
| others | – | 534/25 | 548/30 | |||
| 24VDC Input Series | 3.3V | – | 214/13 | 220/15 | ||
| others | – | 267/13 | 274/15 | |||
| 48VDC Input Series | 3.3V | – | 107/7 | 110/8 | ||
| others | – | 134/7 | 137/8 | |||
| 110VDC Input Series | 3.3V | – | 47/3 | 48/4 | ||
| others | – | 58/3 | 60/4 | |||
| Reflected Ripple Current | 12VDC Input Series | — | – | — | mA | |
| 24VDC Input Series | — | – | — | |||
| 48VDC Input Series | — | – | — | |||
| 110VDC Input Series | — | 20 | — | |||
| Impulse voltage （Isec.max) | 12VDC Input Series | -0.7 | — | 30 | VDC | |
| 24VDC Input Series | -0.7 | — | 50 | |||
| 48VDC Input Series | -0.7 | — | 100 | |||
| 110VDC Input Series | -0.7 | — | 200 | |||
| 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 | |||
| 110VDC nominal input series, nominal input voltage | – | – | 72 | |||
| Input undervoltage protection | 24VDC nominal input series, nominal input voltage | 5.5 | 6.5 | – | ||
| 48VDC nominal input series, nominal input voltage | 12 | 15.5 | – | |||
| 110VDC nominal input series, nominal input voltage | 32 | 36 | – | |||
| Input filter type | Capacitance filter type | |||||
| Hot plugged | Non-support | |||||
Output Characteristics of Hlk-VRB1212YMD-5WR3 12V to 12V 5W 0.42A DC to DC Power Module
| 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 | – | ±2.0% | ±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 | ||||||||
Application Circuit
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