4.7V to 17V Input, 5A Synchronous Buck Regulators with AOT Control
Features
- Wide VIN Range: 4.7V to 17V
- Maximum Continuous Output Current: 5A
- Output Voltage 1 : 5.0V
- Integrated High / Low-Side FETs (65mΩ / 35mΩ)
- Advanced Adaptive On-Time Control
- Fast Transient Response
- Open Drain Power Good Indicator
- ±0.5% Feedback Voltage Reference
- Zero Shutdown Supply Current
- 50μA Non-Switching Operating Quiescent Current
- 80μA No Load Operating Quiescent Current
- High Efficiency in Light Load and Heavy Load.
- Switching Frequency 1 : 500kHz
- Internal Soft-Start
- Automatic CCM/PFM 1
- Ultrasonic Mode to Eliminate Audio Noise
- Built-in Cycle-by-Cycle Current Limit, Short Circuit Protection, Input UVLO, Output Under-Voltage Protection, Output Over-Voltage Protection, and Thermal Shutdown Protection
- Small 20-bump WLCSP (1.7mm x 2.0mm) Package
1 Contact Kinetic for alternative options
Applications
- CPU, GPU, AP, DSP, FPGA, VIO, VSYS
- HDD, LPDDR3, LPDDR4 Memory Power
- Tablets, Netbooks, Ultra-Books, Mobile Internet Devices, IoT, and Server.
- DSC, Drones, Gaming Consoles, TV Set Box
Key Electrical Specifications
| Vin (Min) | Vin (Max) | Switching Frequency (MHz) | Output Auto-Discharge | Max Current (A) | Package |
| 4.7V | 17.0V | Options: 500kHz | – | 5.0 | WLCSP-20 1.7mm x 2.0mm |
Typical Application Diagram
