LM25119PSQ

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LM25119PSQ

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規格

Brand Texas Instruments
Product Type LDO Voltage Regulators
Subcategory PMIC - Power Management ICs
Mounting Style SMD/SMT
Package / Case D2PAK-3 (TO-263-3)
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Packaging Tube
Factory Pack Quantity:Factory Pack Quantity 45
Unit Weight 0.068654 oz
Output Current 1.5 A
Number of Outputs 1 Output
Polarity Positive
Quiescent Current 10 mA
Input Voltage - Min 2.6 V
Input Voltage - Max 30 V
Output Type Adjustable
Dropout Voltage 1.3 V
Load Regulation 0.3 %
Shipping Restrictions Mouser does not presently sell this product in your region.
Dropout Voltage - Max 1.5 V at 1.5 A
Ib - Input Bias Current 5 mA
Line Regulation 0.2 %
Reference Voltage 1.262 V

概述

Description

LM25119PSQ is a high-performance, integrated buck regulator designed for power management applications, particularly in automotive and industrial environments. It features a wide input voltage range, typically from 4.5V to 60V, and is capable of delivering high output currents up to 3A. This device incorporates advanced control techniques, such as peak current mode control, to ensure stability and efficiency across a range of operating conditions.
Key features include built-in protection mechanisms like overcurrent protection, thermal shutdown, and under-voltage lockout, which enhance reliability. The LM25119PSQ also supports a variety of output voltages, making it versatile for different applications, including battery-powered devices and high-voltage systems. Its compact package and integrated components simplify design and reduce the overall solution size.
This regulator is ideal for applications where efficiency and thermal performance are critical, such as automotive electronics, industrial automation, and communication systems.

Features

The LM25119PSQ is a high-performance, synchronous buck regulator designed for a wide range of applications, offering several key features:
1. Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply inputs.
2. Output Current: Supports up to 3A output current, making it suitable for medium-power applications.
3. Adjustable Output Voltage: Output voltage can be set between 0.8V and 5V, allowing flexibility in design.
4. Efficiency: High efficiency, typically exceeding 90%, which aids in thermal management and battery life in portable devices.
5. Switching Frequency: Adjustable frequency ranging from 100 kHz to 1 MHz, enabling optimization for size and performance.
6. Integrated Features: Includes internal compensation, soft-start, and protection features like overcurrent and thermal shutdown.
7. Package: Available in a compact QFN package, facilitating space-saving designs.
These features make the LM25119PSQ ideal for use in industrial, automotive, and consumer electronics applications where efficiency and reliability are paramount.

Package

The LM25119PSQ is packaged in a 7-pin SOT-23 surface-mount package. This compact design is suitable for space-constrained applications, ensuring efficient thermal performance and ease of integration into various electronic circuits.

Pinout

The LM25119PSQ is a high-voltage, synchronous buck regulator from Texas Instruments. It features a total of 28 pins.
Key functions of the pins include:
1. Power Input Pins: VIN and GND for powering the device.
2. Switching Control Pins: SW for connecting to the inductor and VOUT for feedback.
3. Compensation Pins: COMP for frequency compensation.
4. Feedback Pins: FB for feedback voltage sensing.
5. Enable/Shutdown Pins: EN for enabling the device.
6. Timing Pins: RT for setting the switching frequency.
7. Protection Pins: SS for soft-start, and PGND for power ground connections.
8. Fault Indicator Pins: PGOOD to indicate power good status.
The LM25119PSQ is designed for efficient power conversion in applications such as power supplies and DC-DC converters, providing features like adjustable output voltage, high efficiency, and advanced protection mechanisms.

Manufacturer

The LM25119PSQ is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and produces a wide range of analog and digital semiconductor solutions, including integrated circuits (ICs) for various applications such as industrial, automotive, communications, and consumer electronics. The company is well-known for its innovation in microcontrollers, embedded processors, and analog ICs, and it serves a diverse clientele across multiple sectors, providing essential components that power modern electronics. TI is also recognized for its commitment to research and development, sustainability, and community engagement.

Application

The LM25119PSQ is a DC-DC buck controller used in various applications, including power management for industrial systems, automotive electronics, battery-powered devices, and telecommunications. It is suitable for powering microcontrollers, FPGAs, and other digital circuits, and is often employed in servers and data centers for efficient voltage regulation. Its features support high efficiency and adjustable output voltages, making it versatile for diverse electronic designs.

Equivalent

The LM25119PSQ is a synchronous buck regulator. Equivalent products include:
1. LM25119X series (various versions)
2. TPS563201 from Texas Instruments
3. MP1584 from Monolithic Power Systems
4. LT1763 from Analog Devices
5. MAX17503 from Maxim Integrated
Always verify specific features and performance before substitution.

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