HLK-Link DC-DC Isolation Voltage Power ModuleWRB2405S-1WR3/WRB2412S-1WR3 WRB1203S/WRB1209S/WRB4815S-WRB4824S-1WR3 1W
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Visitor32
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Buycount：
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Price$0.42
Product Feature
Ultra-small SIP-8 package
2:1 wide input voltage range
Operating temperature: -40°C ~ +85°C
Isolation voltage: 1500VDC
Low ripple & noise
Self-recovering short-circuit protection
No-load power consumption as low as 0.12W
Input under-voltage protection, output short-circuit and over-current protection
Input Characteristics
| Project | Working conditions | Min. | Typ. | Max. | Unit |
| Input Current (Full Load / No Load) | 5V input | -- | 281/40 | 290/60 | |
| 12V input | -- | 111/50 | 114/30 | ||
| 24V input | -- | 55/6 | 57/10 | ||
| 48V input | -- | 27/4 | 28/6 | ||
| Reflected ripple current | -- | 50 | -- | ||
| Impulse voltage | -0.7 | -- | 50 | VDC | |
| Starting voltage | - | - | 9 | ||
| Input undervoltage protection | 5.5 | 6.5 | -- | ||
| Input filter type | Capacitor filtering | ||||
| Hot swap | Not supported | ||||
| Remote Foot (Ctrl)* | Module enabled | Ctrl pin open or at high level (greater than 0.8V) | |||
| Module shutdown | Ctrl pulled low (less than 0.6 VDC) | ||||
| Note: *For the description of the remote control pin (Ctrl) function, please refer to the "Typical Application Reference Circuit" section in this manual. | |||||
Output Characteristics
| Item | Operating and test conditions | Min. | Typ. | Max. | Unit | |
| Output voltage accuracy | 5%~100% load, input voltage range | 3.3V/5V output | -- | ±3.0 | ±5.0 | % |
| Others | -- | ±1.0 | ±3.0 | % | ||
| Line regulation | Full load, input voltage from low to high | -- | ±0.5 | ±1.0 | % | |
| Load regulation | 5% ~ 100% load | -- | ±0.5 | ±1.5 | % | |
| Transient recovery time | 25% load step change | -- | ±5 | ±8 | mS | |
| Transient response deviation | -- | ±3 | ±5 | % | ||
| Ripple & Noise | Pure resistive load, 20 MHz bandwidth, peak-to-peak | -- | 50 | 100 | mVp-p | |
| Temperature drift coefficient | Fully loaded | -- | ±0.02 | ±0.03 | %/℃ | |
| Output short-circuit protection | Sustainable, self-recovering | |||||
| Note: 1. The test method for ripple and noise is the twisted-pair test method. | ||||||
