Overview
The TPS563201DDCT from Texas Instruments is a 3A synchronous step-down converter designed for high efficiency and ease of use. This device is packaged in a 6-pin SOT-23 (DDC) package and operates over a wide input voltage range of 4.5V to 17V, with an output voltage range of 0.76V to 7V. It is optimized for minimal external component count and low standby current, making it suitable for various power supply applications.
The TPS563201 employs the D-CAP2™ control scheme, which provides fast transient response and supports low ESR output capacitors without the need for external compensation components. This device operates in pulse-skip mode to maintain high efficiency during light load conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 17 | V |
| Output Voltage Range | 0.76 to 7 | V |
| Maximum Output Current | 3 | A |
| Switching Frequency | 580 kHz | |
| Shutdown Current | < 20 µA | |
| Feedback Voltage Accuracy (25°C) | 2% | |
| Package Type | SOT-23 (DDC) | |
| Package Size | 1.6mm × 2.9mm | |
| Junction Temperature Range | –40°C to 125°C |
Key Features
- D-CAP2™ control scheme with fast transient response
- Integrated 95mΩ and 57mΩ FETs
- Pulse-skip mode for high efficiency during light load operation
- Low shutdown current less than 20µA
- 2% feedback voltage accuracy at 25°C
- Startup from prebiased output voltage
- Cycle-by-cycle overcurrent limit and hiccup-mode overcurrent protection
- Non-latch UVP and TSD protections
- Fixed soft start: 1.0ms
- Support for low ESR output capacitors without external compensation
Applications
- Digital TV power supply
- High definition Blu-ray™ disc players
- Networking home terminal
- Digital Set Top Box (STB)
- Surveillance systems
Q & A
- What is the input voltage range of the TPS563201?
The input voltage range is 4.5V to 17V.
- What is the maximum output current of the TPS563201?
The maximum output current is 3A.
- What is the switching frequency of the TPS563201?
The switching frequency is approximately 580 kHz.
- What is the shutdown current of the TPS563201?
The shutdown current is less than 20 µA.
- What control scheme does the TPS563201 use?
The TPS563201 uses the D-CAP2™ control scheme.
- What type of package does the TPS563201 come in?
The TPS563201 comes in a 6-pin SOT-23 (DDC) package.
- What is the junction temperature range of the TPS563201?
The junction temperature range is –40°C to 125°C.
- Does the TPS563201 support low ESR output capacitors?
Yes, it supports low ESR output capacitors without the need for external compensation components.
- What protection features does the TPS563201 have?
The TPS563201 has cycle-by-cycle overcurrent limit, hiccup-mode overcurrent protection, non-latch UVP, and TSD protections.
- Can the TPS563201 start up from a prebiased output voltage?
Yes, the TPS563201 can start up from a prebiased output voltage.
