2.25MHz 300mA Step-Down Converter in 2x2mm SON/TSOT23 Package 5-SOT -40 to 85 The TPS62240DDCR is a synchronous step-down DC-DC converter manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Input Voltage Range:** 2.5 V to 6 V
- **Output Voltage Range:** Adjustable from 0.6 V to VIN
- **Output Current:** Up to 300 mA
- **Switching Frequency:** 2.25 MHz (typical)
- **Efficiency:** Up to 95%
- **Quiescent Current:** 15 µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SOT-23-5 (DDC)
### **Descriptions:**
The TPS62240DDCR is a high-efficiency, low-quiescent-current synchronous step-down converter designed for battery-powered applications. It operates at a fixed switching frequency of 2.25 MHz, allowing the use of small external components. The device supports a wide input voltage range and provides a regulated output voltage as low as 0.6 V.
### **Features:**
- **High Efficiency:** Up to 95% power conversion efficiency
- **Low Quiescent Current:** 15 µA (typical) for longer battery life
- **Synchronous Rectification:** Improves efficiency and reduces external component count
- **100% Duty Cycle Mode:** Supports lowest dropout operation
- **Power-Save Mode:** Enhances efficiency at light loads
- **Internal Soft-Start:** Reduces inrush current
- **Thermal Shutdown Protection:** Prevents damage from overheating
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions
This information is based solely on the manufacturer's datasheet and technical documentation.
