Overview
The TPS563249DDCR is a high-performance switching voltage regulator designed by Texas Instruments. It is a constant frequency synchronous step-down voltage regulator that operates at 1.4 MHz. This device is optimized for advanced power management, offering rapid transient response capability, low EMI, and high reliability. The TPS563249DDCR is suitable for a variety of applications, including industrial automation, telecommunications, automotive systems, point-of-load regulation, distributed power systems, and battery-powered portable devices. It is available in a compact SOT236 (6-SOT-23-THIN) package, providing a small footprint and efficient thermal management. The operating temperature range of -40°C to 125°C makes it versatile for different environmental conditions.
Key Specifications
| Parameter | Min | Max | Typ | Description |
|---|---|---|---|---|
| Vin (Input Voltage) | 4.5 V | 17 V | - | Input voltage range |
| Vout (Output Voltage) | 0.6 V | 7 V | - | Output voltage range |
| Iout (Output Current) | - | 3 A | - | Maximum output current |
| Iq (Quiescent Current) | - | - | 0.26 mA | Typical quiescent current |
| Switching Frequency | 1400 kHz | 1400 kHz | - | Constant switching frequency |
| Operating Temperature Range | -40°C | 125°C | - | Junction temperature range |
| Package/Case | - | - | SOT23-6 | Package type |
Key Features
- Advanced Power Management
- Rapid Transient Response Capability
- Low EMI and High Reliability
- Micropower Management Solution
- DC-DC Conversion Technology
- High Efficiency Power Supplies
- Compact Low-Power Designs
- Fault-Tolerant Systems Support
- Precision Voltage Regulation
- High Current Density Converters
- D-CAP3 Mode Control with Fast Transient Response
- Forced Continuous Conduction Mode (FCCM)
- Constant 1.4-MHz Switching Frequency
- Low Shutdown Current (Less than 10 µA)
- 1% Feedback Voltage Accuracy (25°C)
- Startup from Pre-Biased Output Voltage
- Cycle-by-Cycle Overcurrent Limit and Hiccup-mode Overcurrent Protection
- Non-Latch UVP and TSD Protections
- Fixed Soft Start: 1.7 ms
Applications
- Industrial Automation
- Telecommunications
- Automotive Systems
- Point-of-Load Regulation
- Distributed Power Systems
- Battery-Powered Portable Devices
- Low-Power Applications with Voltage Regulation Requirements
- Broadband Modem
- Access Point Networks
- Wireless Routers
- Surveillance
- TV, Set-Top Boxes
Q & A
- What is the input voltage range of the TPS563249DDCR?
The input voltage range is from 4.5 V to 17 V.
- What is the maximum output current of the TPS563249DDCR?
The maximum output current is 3 A.
- What is the switching frequency of the TPS563249DDCR?
The switching frequency is constant at 1.4 MHz.
- What package type is the TPS563249DDCR available in?
The TPS563249DDCR is available in a SOT236 (6-SOT-23-THIN) package.
- What are the key features of the TPS563249DDCR?
The key features include advanced power management, rapid transient response capability, low EMI, high reliability, and more.
- What are some typical applications of the TPS563249DDCR?
Typical applications include industrial automation, telecommunications, automotive systems, point-of-load regulation, and more.
- How does the TPS563249DDCR manage overcurrent protection?
The device features cycle-by-cycle overcurrent limit and hiccup-mode overcurrent protection.
- What is the operating temperature range of the TPS563249DDCR?
The operating temperature range is from -40°C to 125°C.
- Does the TPS563249DDCR support startup from pre-biased output voltage?
Yes, it supports startup from pre-biased output voltage.
- What is the typical quiescent current of the TPS563249DDCR?
The typical quiescent current is 0.26 mA.[
