2.25MHz 400mA Step-Down Converter with Selectable VOUT 6-WSON -40 to 85 The TPS62270DRVR is a synchronous step-down DC-DC converter manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** 2.5V to 6V
- **Output Voltage Range:** Adjustable (0.6V to VIN)
- **Output Current:** Up to 300mA
- **Switching Frequency:** 2.25MHz (typical)
- **Efficiency:** Up to 95%
- **Quiescent Current:** 17µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 6-pin WSON (DRV)
### **Descriptions:**
- The TPS62270DRVR is a high-efficiency, low-quiescent-current buck converter designed for battery-powered applications.
- It operates in **Pulse Frequency Modulation (PFM)** mode at light loads for improved efficiency and transitions to **Pulse Width Modulation (PWM)** mode at higher loads.
- Features a **synchronous rectification** architecture for reduced power loss.
- Suitable for portable devices, IoT applications, and power-sensitive systems.
### **Features:**
- **Ultra-Low Quiescent Current** (17µA) for extended battery life.
- **High Efficiency** (up to 95%) across a wide load range.
- **Fixed and Adjustable Output Voltage** options.
- **100% Duty Cycle** for lowest dropout operation.
- **Thermal Shutdown and Overcurrent Protection** for reliability.
- **Small 6-pin WSON Package** (2mm x 2mm) for space-constrained designs.
For detailed datasheet information, refer to Texas Instruments' official documentation.
