Overview
The TPS560430X3FDBVR is a synchronous step-down DC-DC converter from Texas Instruments, designed for a wide range of applications including industrial, automotive, and general-purpose power supplies. This device operates from an input voltage range of 4 V to 36 V and can deliver up to 600 mA of continuous output current. It is part of the TPS560430 family, which offers various versions with different operating frequencies and output options.
The TPS560430X3FDBVR is specifically configured with a fixed 3.3-V output and operates at a frequency of 1.1 MHz. It features integrated synchronous rectification, internal compensation, and a small solution size, making it ideal for applications requiring high efficiency and minimal external components.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 4 | 36 | V | |
| Output Current | 600 | mA | ||
| Output Voltage (Fixed) | 3.28 | 3.3 | 3.32 | V |
| Switching Frequency | 1.1 | MHz | ||
| Minimum Switching-On Time | 60 | ns | ||
| Maximum Duty Cycle | 98% | |||
| Thermal Shutdown Threshold | 170 | °C | ||
| Enable Rising Threshold Voltage | 1.1 | 1.36 | V | |
| Enable Falling Threshold Voltage | 0.95 | 1.22 | V |
Key Features
- Wide input voltage range: 4 V to 36 V
- High efficiency with integrated synchronous rectification
- Internal compensation for ease of use and stable operation
- Small solution size with SOT-23-6 package
- Fixed 3.3-V output voltage option
- Support for startup with pre-biased output
- Short circuit protection with hiccup mode
- ±1.5% tolerance voltage reference over temperature from –40°C to 125°C
- Precision enable and internal soft-start
- Thermal shutdown and VIN under-voltage lockout
- Cycle-by-cycle current limit and hiccup mode short-circuit protection
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 TPS560430X3FDBVR?
The input voltage range is from 4 V to 36 V.
- What is the maximum output current of the TPS560430X3FDBVR?
The maximum output current is 600 mA.
- What is the fixed output voltage of the TPS560430X3FDBVR?
The fixed output voltage is 3.3 V.
- What is the switching frequency of the TPS560430X3FDBVR?
The switching frequency is 1.1 MHz.
- Does the TPS560430X3FDBVR have built-in protection features?
- What package type is the TPS560430X3FDBVR available in?
The device is available in a SOT-23-6 package.
- Does the TPS560430X3FDBVR support startup with pre-biased output?
- What is the thermal shutdown threshold of the TPS560430X3FDBVR?
The thermal shutdown threshold is 170°C.
- Does the TPS560430X3FDBVR have internal compensation?
- What is the minimum switching-on time of the TPS560430X3FDBVR?
The minimum switching-on time is 60 ns.
