Description
Features
- 2.7 to 5.5V Input Voltage Range
- 0.6 to 3.345V Programmable Output Voltage
- 6.25mV steps below 1.39375V
- 15mV steps above 1.44V
- 3.0A Output Current
- ±1% Accuracy at TA = +25°C
- ±2.5% over line/load/temp/setting
- Fast Transient Response
- <30mV droop for 10mA to 1.4A step (tr = 100ns @ FPWM)
- Dynamic Voltage Scaling (DVS) with 8 ramp rates
- Soft-Start with 10 ramp rates
- 89% Efficiency (at Vin = 3.6V, Vout = 1.15625V)
- 2.4MHz with Auto-Skip at light loads
- Programmable forced-PWM mode
- 48µA typ. No-Load Supply Current
- Tiny External Components
- L = 330 or 470nH (2012 or 2016 metric size)
- Cin = 10 µF (0402), Cout = 2×22 µF (2×0402)
- Over-Current, Short-Circuit, Under/Over-VIN, and Thermal Shutdown Protections
- 1MHz I2C Interface
- Open-Drain Output Flag
- -40°C to 85°C Operating Temperature Range
- 15-bump Pb-free WLCSP (0.4mm pitch) 1.310 x 2.015mm (0.6mm height)
Applications
- CPU, GPU, AP, DSP, FPGA, I/O, XCVR Power
- HDD, LPDDR3, LPDDR4 Memory Power
- Tablets, Netbooks, Ultra-Books
- Smartphones, Mobile Internet Devices, IoT
- DSC, Drones, Gaming Consoles, Accessories
Key Electrical Specifications
| Vin (MIN) | Vin (Max) | Switching Frequency (MHz) | Output Auto-Discharge | Max Current (A) |
Package |
| 2.7V | 5.5V | 2.4 | Yes | 3.0 | WLCSP-15 |
Typical Application Diagram
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