Overview
The TPS560430XFDBVR from Texas Instruments is a synchronous step-down DC-DC converter designed for a wide range of applications. It operates from an input voltage range of 4 V to 36 V and can deliver up to 600 mA of continuous output current. This device is particularly suited for power conditioning from unregulated sources in industrial, automotive, and general-purpose wide VIN power supplies. The TPS560430XFDBVR is known for its ease of use, small solution size, and internal compensation, which reduces the need for external components and simplifies the design process.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4 V to 36 V |
| Continuous Output Current | Up to 600 mA |
| Minimum Switching-On Time | 60 ns |
| Maximum Duty Cycle | 98% |
| Operating Frequency | 1.1 MHz and 2.1 MHz options |
| Output Voltage Tolerance | ±1.5% over temperature from –40°C to 125°C |
| Package | SOT-23-6 |
| Body Size (Nominal) | 2.90 mm × 1.60 mm |
Key Features
- Integrated synchronous rectification and internal compensation for ease of use.
- Support for startup with pre-biased output.
- Short circuit protection with hiccup mode.
- Thermal shutdown and VIN under-voltage lockout protection.
- Cycle-by-cycle current limit and precision enable.
- PFM (Pulse Frequency Modulation) and FPWM (Forced PWM) options for high efficiency and low output voltage ripple.
- Fixed 3.3-V output option available.
- Small solution size and simple PCB layout.
Applications
- Grid Infrastructure: Advanced metering infrastructure.
- Motor Drive: AC inverters, VF drives, servos, field actuators.
- Factory and Building Automation: PLC, industrial PC, elevator control, HVAC control.
- Aftermarket Automotive: Camera systems.
- General Purpose Wide VIN Power Supplies.
Q & A
- What is the input voltage range of the TPS560430XFDBVR?
The input voltage range is from 4 V to 36 V.
- What is the maximum continuous output current of the TPS560430XFDBVR?
The maximum continuous output current is up to 600 mA.
- What are the available operating frequencies for the TPS560430XFDBVR?
The device is available in 1.1 MHz and 2.1 MHz operating frequency options.
- Does the TPS560430XFDBVR support PFM and FPWM modes?
- What kind of protection features does the TPS560430XFDBVR have?
The device includes thermal shutdown, VIN under-voltage lockout, cycle-by-cycle current limit, and hiccup mode short-circuit protection.
- What is the package type and size of the TPS560430XFDBVR?
The device is available in an SOT-23-6 package with a body size of 2.90 mm × 1.60 mm.
- Can the TPS560430XFDBVR operate with pre-biased output?
- What is the output voltage tolerance of the TPS560430XFDBVR over temperature?
The output voltage tolerance is ±1.5% over temperature from –40°C to 125°C.
- How does the TPS560430XFDBVR handle light-load conditions?
In PFM mode, the switching frequency decreases to maintain regulation and reduce switching losses. In FPWM mode, it maintains a constant switching frequency even at no-load conditions.
- Can the TPS560430XFDBVR be used in automotive applications?
