1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability The part CS51414EDR8G is manufactured by ON Semiconductor. Here are the specifications:

- **Type**: Synchronous Buck Regulator
- **Input Voltage Range**: 4.5V to 18V
- **Output Voltage Range**: 0.8V to 5.5V
- **Output Current**: Up to 14A
- **Switching Frequency**: 300kHz to 1MHz
- **Efficiency**: Up to 95%
- **Package**: SOIC-8 (Exposed Pad)
- **Features**: Overcurrent Protection, Thermal Shutdown, Adjustable Output Voltage, Synchronous Rectification
- **Operating Temperature Range**: -40°C to +125°C

This information is based solely on the provided knowledge base.