Overview
The TPS562209DDCT from Texas Instruments is a 2-A synchronous step-down voltage regulator integrated into a compact 6-pin SOT-23 package. This device is designed to operate with a minimal number of external components, making it an efficient and space-saving solution for various power supply needs. It features an input voltage range of 4.5 V to 17 V and an output voltage range of 0.76 V to 7 V, making it versatile for different applications. The regulator employs D-CAP2™ mode control, which provides fast transient response and supports both low ESR and ceramic output capacitors without external compensation components.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5 V to 17 V |
| Output Voltage Range | 0.76 V to 7 V |
| Output Current | 2 A |
| Switching Frequency | 650 kHz |
| Feedback Voltage Accuracy (25°C) | 1% |
| Shutdown Current | |
| Package Type | SOT-23-THIN (6-pin) |
| Package Size | 1.60 mm × 2.90 mm |
| Junction Temperature Range | –40°C to 150°C |
| MOSFET On-Resistance | 122 mΩ (High-side), 72 mΩ (Low-side) |
Key Features
- D-CAP2™ mode control for fast transient response and support for low ESR and ceramic output capacitors without external compensation components.
- Adaptive on-time pulse width modulation (PWM) controller for pseudo-fixed frequency operation.
- Startup from pre-biased output voltage.
- Cycle-by-cycle over-current limit and hiccup-mode under-voltage protection.
- Non-latch over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown (TSD) protections.
- Fixed soft start time of 1.0 ms.
Applications
- Digital TV power supply.
- High definition Blu-ray Disc™ players.
- Networking home terminals.
- Digital set top boxes (STB).
Q & A
- What is the input voltage range of the TPS562209DDCT?
The input voltage range is 4.5 V to 17 V. - What is the output current capability of the TPS562209DDCT?
The output current capability is 2 A. - What is the switching frequency of the TPS562209DDCT?
The switching frequency is 650 kHz. - What type of package does the TPS562209DDCT come in?
The device comes in a 6-pin SOT-23-THIN package. - What is the junction temperature range for the TPS562209DDCT?
The junction temperature range is –40°C to 150°C. - Does the TPS562209DDCT support startup from a pre-biased output voltage?
Yes, it does support startup from a pre-biased output voltage. - What kind of protection mechanisms does the TPS562209DDCT have?
The device features cycle-by-cycle over-current limit, hiccup-mode under-voltage protection, non-latch OVP, UVLO, and TSD protections. - What is the feedback voltage accuracy at 25°C for the TPS562209DDCT?
The feedback voltage accuracy is 1% at 25°C. - What is the typical shutdown current of the TPS562209DDCT?
The typical shutdown current is less than 10 µA. - What type of MOSFETs are integrated into the TPS562209DDCT?
The device integrates 122 mΩ (high-side) and 72 mΩ (low-side) MOSFETs.
