Overview
The TPS564242DRLR, produced by Texas Instruments, is a high-efficiency, synchronous buck converter designed for a wide range of applications. This device operates with an input voltage range of 3 V to 16 V and can deliver an output voltage from 0.6 V to 7 V, supporting up to 4 A of continuous current. It features the proprietary D-CAP3 control topology, which provides fast transient response without the need for external compensation components. The TPS564242DRLR is available in a compact 6-pin SOT-563 package, making it ideal for applications requiring high power density and small solution size.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (VIN) | 3 | - | 16 | V |
| Output Voltage (VOUT) | 0.6 | - | 7 | V |
| Output Current (IOUT) | - | - | 4 | A |
| Switching Frequency (FSW) | - | 1200 | - | kHz |
| Reference Voltage (VREF) | 0.598 | 0.6 | 0.602 | V |
| Reference Accuracy at 25°C | ±1% | - | - | - |
| Reference Accuracy at –40°C to 125°C | ±1.5% | - | - | - |
| Low-Side MOSFET RDS(ON) | 15.4 | - | - | mΩ |
| High-Side MOSFET RDS(ON) | 28.8 | - | - | mΩ |
| Quiescent Current | - | 120 | - | μA |
| Soft-Start Time | - | 1.39 | - | ms |
| Operating Temperature Range | –40 | - | 125 | °C |
Key Features
- D-CAP3 Control Topology: Provides fast transient response and supports low-ESR output capacitors without external compensation.
- High Efficiency: Maintains high efficiency across a wide range of load conditions, including Eco-mode for the TPS564242 and FCCM mode for the TPS564247.
- Integrated Protection: Includes overvoltage protection (OVP), overcurrent protection (OCP), undervoltage protection (UVP), overtemperature protection (OTP), and hiccup mode for UV protection.
- Compact Package: Available in a 6-pin SOT-563 package, optimizing for small solution size and high power density.
- Low Quiescent Current: Features a low quiescent current of 120 μA, enhancing efficiency during light load conditions.
- Precision Enable Threshold: Includes a precise enable threshold voltage for reliable operation.
- Soft-Start Capability: Offers a fixed typical soft-start time of 1.39 ms to prevent inrush current during startup.
Applications
- LCD TVs, STBs, and DVRs: Suitable for various consumer electronics requiring efficient power conversion.
- Streaming Media Players: Ideal for devices that need high-efficiency power solutions.
- IP Network Cameras and Video Doorbells: Used in security and surveillance devices.
- WLAN/Wi-Fi Access Points and Modems: Applicable in networking and communication equipment.
- Solid State Drives (SSDs): Supports high-efficiency power conversion in storage devices.
Q & A
- What is the input voltage range of the TPS564242DRLR?
The input voltage range is from 3 V to 16 V.
- What is the maximum output current of the TPS564242DRLR?
The maximum output current is 4 A.
- What is the switching frequency of the TPS564242DRLR?
The switching frequency is 1.2 MHz.
- Does the TPS564242DRLR support Eco-mode?
Yes, the TPS564242 operates in Eco-mode to maintain high efficiency at light load conditions.
- What type of protection does the TPS564242DRLR include?
The device includes OVP, OCP, UVP, OTP, and hiccup mode for UV protection.
- What is the package type and size of the TPS564242DRLR?
The device is available in a 6-pin SOT-563 package with a size of 1.6 mm × 1.6 mm.
- Can the TPS564242DRLR support prebiased output during start-up?
Yes, the device supports start-up with prebiased output.
- What is the quiescent current of the TPS564242DRLR?
The quiescent current is 120 μA.
- What is the soft-start time of the TPS564242DRLR?
The soft-start time is typically 1.39 ms.
- What are some common applications for the TPS564242DRLR?
Common applications include LCD TVs, STBs, DVRs, streaming media players, IP network cameras, video doorbells, WLAN/Wi-Fi access points, modems, and solid state drives.
