Overview
The LMR50410XFDBVR is a synchronous buck converter produced by Texas Instruments. It is part of the SIMPLE SWITCHER® family and is designed for rugged industrial applications. This device operates from a wide input voltage range of 4 V to 36 V and can deliver up to 1 A of DC load current. The LMR50410XFDBVR is housed in a compact SOT-23-6 package, making it suitable for space-constrained designs. It features fixed-frequency peak-current mode control and is available in both PFM (Pulse Frequency Modulation) and FPWM (Forced Pulse Width Modulation) versions to optimize efficiency and output voltage regulation.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | LMR50410XFDBVR |
| Manufacturer | Texas Instruments |
| Topology | Buck Converter |
| Input Voltage | 4 V to 36 V |
| Output Voltage | 1 V to 28 V |
| Output Current | Up to 1 A |
| Switching Frequency | 700 kHz (typical) |
| Package | SOT-23-6 |
| Mounting | SMD |
| Operating Temperature | -40°C to 125°C |
| Protection Features | Cycle-by-cycle current limit, hiccup mode short-circuit protection, thermal shutdown |
Key Features
- Wide Input Voltage Range: Operates from 4 V to 36 V, making it suitable for a variety of industrial applications.
- High Efficiency: Achieves high efficiency through PFM mode at light loads and FPWM mode for constant frequency and low output voltage ripple.
- Internal Compensation: Internally compensated voltage feedback loop reduces the need for external components and ensures stable operation.
- Protection Features: Includes cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown to protect the device from overloads and excessive power dissipation.
- Compact Package: Available in the SOT-23-6 package, which is ideal for space-constrained designs.
- Functional Safety-Capable: Documentation available to aid in functional safety system design.
Applications
- Major Appliances: Suitable for power supplies in major household and industrial appliances.
- PLC, DCS, and PAC: Used in programmable logic controllers, distributed control systems, and programmable automation controllers.
- Smart Meters: Ideal for power conditioning in smart metering applications.
- General Purpose Power Supplies: Can be used in a wide range of general-purpose power supply applications requiring a wide input voltage range).
Q & A
- What is the input voltage range of the LMR50410XFDBVR?
The input voltage range is from 4 V to 36 V.
- What is the maximum output current of the LMR50410XFDBVR?
The maximum output current is up to 1 A.
- What are the available versions of the LMR50410XFDBVR in terms of switching modes?
The device is available in both PFM (Pulse Frequency Modulation) and FPWM (Forced Pulse Width Modulation) versions.
- What are the key protection features of the LMR50410XFDBVR?
The device includes cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown.
- What is the typical switching frequency of the LMR50410XFDBVR?
The typical switching frequency is 700 kHz.
- How is the output voltage of the LMR50410XFDBVR adjusted?
The output voltage is externally adjustable using a resistor divider network.
- What is the operating temperature range of the LMR50410XFDBVR?
The operating temperature range is from -40°C to 125°C.
- What package type is the LMR50410XFDBVR available in?
The device is available in the SOT-23-6 package.
- Does the LMR50410XFDBVR have internal compensation?
Yes, the device has an internally compensated voltage feedback loop.
- What are some typical applications of the LMR50410XFDBVR?
Typical applications include major appliances, PLC, DCS, PAC, smart meters, and general-purpose power supplies.
