Overview
The LM25085QMYX/NOPB is an automotive-grade, constant on-time, non-synchronous PFET buck controller manufactured by Texas Instruments. This component is designed for high-performance DC-DC conversion in a wide range of input voltages. It is particularly suited for automotive and industrial applications where reliability and efficiency are critical.
The LM25085QMYX/NOPB features a robust design with a wide input voltage range of 4.5V to 42V, making it versatile for various power supply requirements. It operates with a switching frequency of up to 1MHz and supports a maximum duty cycle of 100%. The controller is packaged in an 8-MSOP (0.118", 3.00mm Width) exposed pad, which is compact and suitable for surface mount applications.
Key Specifications
| Part Number | LM25085QMYX/NOPB |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management ICs - DC DC Switching Controllers |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 42V |
| Frequency - Switching | Up to 1MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Frequency Control |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
Key Features
- Wide Input Voltage Range: Operates from 4.5V to 42V, making it suitable for a variety of applications.
- High Switching Frequency: Up to 1MHz, allowing for efficient and compact power supply designs.
- Constant On-Time Control: Provides stable and efficient operation across different input voltages.
- Non-Synchronous Operation: Reduces component count and cost by not requiring a synchronous rectifier.
- Current Limit and Frequency Control: Enhances safety and performance by limiting current and controlling frequency.
- Compact Packaging: 8-MSOP (0.118", 3.00mm Width) exposed pad, ideal for surface mount applications.
- Automotive Grade: Designed to meet the stringent requirements of automotive applications.
- RoHS Compliant: Ensures environmental compliance and sustainability.
Applications
- Automotive Systems: Suitable for various automotive power supply needs due to its wide input voltage range and robust design.
- Industrial Power Supplies: Ideal for industrial applications requiring high reliability and efficiency.
- Telecommunications: Can be used in telecom equipment where stable and efficient power conversion is essential.
- Consumer Electronics: Applicable in consumer electronics that require compact and efficient power management solutions.
Q & A
- What is the input voltage range of the LM25085QMYX/NOPB?
The input voltage range is from 4.5V to 42V.
- What is the maximum switching frequency of the LM25085QMYX/NOPB?
The maximum switching frequency is up to 1MHz.
- Does the LM25085QMYX/NOPB support synchronous rectification?
No, it does not support synchronous rectification.
- What is the operating temperature range of the LM25085QMYX/NOPB?
The operating temperature range is from -40°C to 125°C (TJ).
- What is the package type of the LM25085QMYX/NOPB?
The package type is 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) exposed pad.
- Is the LM25085QMYX/NOPB RoHS compliant?
- What are the key control features of the LM25085QMYX/NOPB?
The key control features include current limit and frequency control).
- What is the maximum output current of the LM25085QMYX/NOPB?
The maximum output current is 1.75 A).
- What are the typical applications of the LM25085QMYX/NOPB?
Typical applications include automotive systems, industrial power supplies, telecommunications, and consumer electronics).
- Is the LM25085QMYX/NOPB suitable for surface mount applications?
- What is the maximum duty cycle of the LM25085QMYX/NOPB?
The maximum duty cycle is 100%).
