The BUD series is a non-isolated buck-boost DC/DC converter with ultra-small SMD package, wide input / output and positive / negative (±) output. 

[Features]
- Wide input / output
- Non isolated buck-boost DC-DC 
- ± Output
- Ultra small size: SMD package
- High efficiency
- Maximum 1.8W output
- No minimum load limit, equipped with skip mode at light load and maintains low loss
- Over-load protection
- Low input voltage protection
- Remote ON/OFF control
- RoHS compliance

[Specifications]
- Input Voltage : 3 to 18V
- Output Voltage : ±3V to 18V
- Output Power: 1W (±0.5W each)
- Efficiency : 87.5% (Po=0.8Wx2)
- Ripple Noise : 10mVp-p

Datasheet[PDF]