Overview
The LM5116MH/NOPB is a synchronous buck controller designed by Texas Instruments for step-down regulator applications. It is particularly suited for systems requiring voltage regulation from high-voltage or widely varying input supplies. This controller offers a versatile and dependable solution for power management, with features such as high performance, flexibility, and reliability. It is widely used in various applications, including telecommunications equipment, automation systems, and LED lighting systems.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Controller Type | Synchronous Buck Controller |
| Number of Outputs | 1 |
| Current Conversion Type | DC-DC |
| Maximum Switching Frequency | 1000 kHz (up to 1 MHz programmable) |
| Mounting Type | Surface Mount |
| Package Type | HTSSOP-20 |
| Pin Count | 20 |
| Dimensions | 6.5 x 4.4 x 0.8mm |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -40 °C |
| Maximum Output Voltage | 80 V |
| Minimum Output Voltage | 1.215 V |
Key Features
- Wide input voltage range of 6V to 100V, allowing for versatile use in different systems.
- Programmable frequency from 50 kHz to 1 MHz, providing precise control over power supply operation.
- Emulated peak current mode control with cycle-by-cycle current limiting and ease-of-loop compensation.
- Adaptive dead-time control and robust 3.5-A peak gate drive for driving external high-side and low-side NMOS power switches.
- User-selectable diode emulation mode for discontinuous mode operation, improving efficiency at light load conditions.
- Low quiescent current shutdown (< 10 µA) and thermal shutdown protection.
- Programmable output voltage from 1.215 V to 80 V and programmable current limit.
- Precision 1.5% voltage reference and programmable soft start).
- Automatic switch to external bias supply for improved efficiency).
Applications
The LM5116MH/NOPB is suitable for a variety of applications, including:
- Power supplies: Ideal for designing efficient and reliable power supply systems.
- Industrial automation: Used in systems requiring high efficiency and precise voltage regulation).
- Telecommunications equipment: Supports the power management needs of telecom devices).
- LED lighting systems: Optimizes power efficiency in LED lighting applications).
- Renewable energy systems: Suitable for designs in solar and wind power systems).
Q & A
- Q: What is the maximum switching frequency of the LM5116MH/NOPB?
A: The maximum switching frequency is 1000 kHz, but it is programmable up to 1 MHz).
- Q: What is the input voltage range of the LM5116MH/NOPB?
A: The input voltage range is from 6V to 100V).
- Q: What type of package does the LM5116MH/NOPB come in?
A: The LM5116MH/NOPB comes in a HTSSOP-20 package).
- Q: What is the minimum and maximum output voltage of the LM5116MH/NOPB?
A: The minimum output voltage is 1.215 V, and the maximum output voltage is 80 V).
- Q: Does the LM5116MH/NOPB support diode emulation mode?
A: Yes, the LM5116MH/NOPB supports a user-selectable diode emulation mode for discontinuous mode operation).
- Q: What is the thermal shutdown protection temperature for the LM5116MH/NOPB?
A: The device has thermal shutdown protection, but the specific temperature is not explicitly stated; however, it operates within a temperature range of -40°C to +125°C).
- Q: Is the LM5116MH/NOPB RoHS compliant?
A: Yes, the LM5116MH/NOPB is RoHS compliant).
- Q: What is the warranty period for the LM5116MH/NOPB from Ovaga?
A: Ovaga offers a 1-year warranty on the LM5116MH/NOPB).
- Q: How does Ovaga ensure the authenticity of the LM5116MH/NOPB?
A: Ovaga ensures authenticity by rigorously testing and verifying the credentials of original Texas Instruments manufacturers and authorized agents).
- Q: Where can I find detailed information about the LM5116MH/NOPB, such as application notes and factory information?
A: You can find detailed information by downloading the datasheet from Texas Instruments' official website or using Ovaga's intelligent search engine).
