Overview
The TPS62260DDCR is a high-efficiency synchronous step-down DC/DC converter produced by Texas Instruments. Designed for battery-powered applications, this model is particularly suitable for mobile phones and other portable devices. It offers a wide input voltage range of 2V to 6V, supporting single-cell lithium-ion batteries, as well as two-cell and three-cell alkaline batteries, 3.3V, and 5V input voltage rails. The TPS62260DDCR operates at a fixed switching frequency of 2.25 MHz and features a power-saving mode for light load conditions, ensuring high efficiency across the entire load current range. Its compact design allows for the use of small inductors and capacitors, making it ideal for space-constrained applications. The device is available in a 5-pin SOT and 6-pin 2mm × 2mm WSON package and operates within a temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2 to 6 | V | |
| Output Current | 600 | mA | |
| Switching Frequency | 2.25 | MHz | Fixed |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | 5-pin SOT, 6-pin WSON | 2mm × 2mm | |
| Shutdown Current | <1 | µA |
Key Features
- High-efficiency synchronous step-down DC/DC converter.
- Wide input voltage range (2V to 6V) supports various battery types.
- Fixed switching frequency of 2.25 MHz with power-saving mode for light loads.
- Low output voltage ripple optimized for noise-sensitive applications.
- Compact design with small inductors and capacitors for space-constrained applications.
Applications
The TPS62260DDCR is widely used in battery-powered applications such as mobile phones, portable medical devices, and handheld instruments. Its high efficiency and compact design make it ideal for applications requiring long battery life and small form factors. Additionally, it is suitable for use in industrial and consumer electronics where reliable power management is critical.
Q & A
1. What is the input voltage range of the TPS62260DDCR?
The input voltage range is 2V to 6V.
2. What is the maximum output current it can deliver?
It can deliver up to 600mA of output current.
3. What is the switching frequency of the TPS62260DDCR?
The switching frequency is fixed at 2.25 MHz.
4. Does it support power-saving mode?
Yes, it features a power-saving mode for light load conditions.
5. What are the available package options?
It is available in 5-pin SOT and 6-pin 2mm × 2mm WSON packages.
6. What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
7. Is it suitable for noise-sensitive applications?
Yes, it is optimized for low output voltage ripple, making it suitable for noise-sensitive applications.
8. What is the shutdown current consumption?
The shutdown current is less than 1 µA.
9. Can it be used in portable medical devices?
Yes, it is ideal for battery-powered applications like portable medical devices.
10. What makes it suitable for space-constrained applications?
Its compact design allows the use of small inductors and capacitors, making it ideal for space-constrained applications.
