Overview
The TPS563200DDCT from Texas Instruments is a 3-A synchronous step-down (buck) converter designed for high-efficiency power management. This device is part of the TPS56x200 family and is optimized for minimal external component count and low standby current. It employs the proprietary D-CAP2 control topology, which provides fast transient response and supports low ESR output capacitors without the need for complex external compensation circuits. The TPS563200 is available in a compact 6-pin SOT-23 package and operates over a temperature range of –40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 V to 17 V | V |
| Output Voltage Range | 0.76 V to 7 V | V |
| Maximum Output Current | 3 A | A |
| Switching Frequency | 650 kHz | kHz |
| High-Side Switch Resistance (RDS(on)h) | 68 mΩ | mΩ |
| Low-Side Switch Resistance (RDS(on)l) | 39 mΩ | mΩ |
| Shutdown Supply Current | < 10 µA | µA |
| Thermal Shutdown Threshold | 155°C | °C |
| Package Type | 6-pin SOT-23 (DDC) | |
| Operating Temperature Range | –40°C to 85°C | °C |
Key Features
- D-CAP2 control topology for fast transient response and support for low ESR output capacitors.
- Advanced Eco-mode for high efficiency during light load operation.
- Low shutdown current less than 10 µA.
- 1% feedback voltage accuracy at 25°C.
- Start-up from pre-biased output voltage.
- Cycle-by-cycle overcurrent limit and hiccup-mode undervoltage protection.
- Non-latch OVP, UVLO, and TSD protections.
- Fixed soft start: 1 ms.
Applications
- Digital TV power supply.
- High definition Blu-ray Disc players.
- Networking home terminals.
- Digital Set Top Box (STB).
Q & A
- What is the input voltage range of the TPS563200? The input voltage range is 4.5 V to 17 V.
- What is the maximum output current of the TPS563200? The maximum output current is 3 A.
- What is the switching frequency of the TPS563200? The switching frequency is 650 kHz.
- What is the package type of the TPS563200? The package type is 6-pin SOT-23 (DDC).
- What is the operating temperature range of the TPS563200? The operating temperature range is –40°C to 85°C.
- Does the TPS563200 support low ESR output capacitors? Yes, it supports low ESR output capacitors using the D-CAP2 control topology.
- What is the shutdown supply current of the TPS563200? The shutdown supply current is less than 10 µA.
- Does the TPS563200 have thermal shutdown protection? Yes, it has thermal shutdown protection with a threshold of 155°C.
- What are some typical applications of the TPS563200? Typical applications include digital TV power supply, high definition Blu-ray Disc players, networking home terminals, and digital Set Top Box (STB).
- Does the TPS563200 have soft-start functionality? Yes, it has a fixed soft start of 1 ms.
