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規格
| 屬性 | 價值 |
| Brand | Texas Instruments |
| Product Type | LDO Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| Mounting Type | SMD/SMT |
| Package / Case | D2PAK-3 (TO-263-3) |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Packaging | Tube |
| Factory Pack Quantity | 45 |
| Unit Weight | 0.068654 oz |
| Current - Output | 1.5 A |
| Number of Outputs | 1 Output |
| Polarity | Positive |
| Current - Quiescent (Iq) | 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. |
| Voltage Dropout (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-efficiency, synchronous buck regulator designed for step-down DC-DC conversion. It features an adjustable output voltage range and can deliver a maximum output current of up to 3A. With a wide input voltage range, typically from 4.5V to 60V, it makes it suitable for various applications, including industrial, automotive, and telecommunications systems.
This regulator integrates advanced control features, such as peak current mode control and cycle-by-cycle current limiting, ensuring stable operation and reducing the risk of overcurrent conditions. The LM25119PSQ also incorporates built-in protection features, including thermal shutdown and under-voltage lockout, enhancing reliability.
The device is available in a compact package, facilitating efficient use of board space. Its high efficiency helps in reducing thermal dissipation, making it suitable for applications where thermal management is critical. Overall, the LM25119PSQ is ideal for powering processors, FPGAs, and other digital circuits requiring regulated voltage in compact and power-sensitive designs.
This regulator integrates advanced control features, such as peak current mode control and cycle-by-cycle current limiting, ensuring stable operation and reducing the risk of overcurrent conditions. The LM25119PSQ also incorporates built-in protection features, including thermal shutdown and under-voltage lockout, enhancing reliability.
The device is available in a compact package, facilitating efficient use of board space. Its high efficiency helps in reducing thermal dissipation, making it suitable for applications where thermal management is critical. Overall, the LM25119PSQ is ideal for powering processors, FPGAs, and other digital circuits requiring regulated voltage in compact and power-sensitive designs.
Equivalent
The LM25119PSQ is a synchronous buck regulator. Equivalent products include the TPS563201, MP1584, LM2675, and LT1763. These alternatives provide similar voltage regulation features, current capabilities, and efficiency ratings. It's essential to check the specific electrical characteristics and package types to ensure compatibility for your application.
Features
The LM25119PSQ is a high-performance buck regulator designed for automotive and industrial applications. It features:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply scenarios.
2. Integrated Power Switches: Includes integrated high-side and low-side MOSFETs for improved efficiency and reduced board space.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 0.95V, allowing for flexibility in application requirements.
4. High Efficiency: Achieves efficiencies up to 95%, which helps in thermal management.
5. Current Mode Control: Offers excellent transient response and stable operation across a range of loads.
6. Protection Features: Includes features such as overcurrent protection, thermal shutdown, and under-voltage lockout.
7. Package Options: Available in a compact HTQFP package, facilitating easier integration into designs.
These features make the LM25119PSQ suitable for power supplies in automotive systems, industrial automation, and other demanding environments.
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply scenarios.
2. Integrated Power Switches: Includes integrated high-side and low-side MOSFETs for improved efficiency and reduced board space.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 0.95V, allowing for flexibility in application requirements.
4. High Efficiency: Achieves efficiencies up to 95%, which helps in thermal management.
5. Current Mode Control: Offers excellent transient response and stable operation across a range of loads.
6. Protection Features: Includes features such as overcurrent protection, thermal shutdown, and under-voltage lockout.
7. Package Options: Available in a compact HTQFP package, facilitating easier integration into designs.
These features make the LM25119PSQ suitable for power supplies in automotive systems, industrial automation, and other demanding environments.
Pinout
The LM25119PSQ is a high-performance, synchronous buck regulator from Texas Instruments. It features a pin count of 20.
The primary functions of its pins include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switching node connection.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. COMP: Compensation network connection for stability.
6. CSN and CSP: Current sense inputs for overcurrent protection.
7. EN: Enable pin to activate the regulator.
8. PGND: Power ground for switching components.
9. VOUT: Output voltage feedback.
10. VREF: Reference voltage output.
11. SS: Soft-start pin.
12. TR/SS: Timing and soft-start configurations.
13. PG: Power good status output.
14. RT: Frequency setting resistor connection.
This device is suitable for a range of applications, including power management for processors and FPGAs.
The primary functions of its pins include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switching node connection.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. COMP: Compensation network connection for stability.
6. CSN and CSP: Current sense inputs for overcurrent protection.
7. EN: Enable pin to activate the regulator.
8. PGND: Power ground for switching components.
9. VOUT: Output voltage feedback.
10. VREF: Reference voltage output.
11. SS: Soft-start pin.
12. TR/SS: Timing and soft-start configurations.
13. PG: Power good status output.
14. RT: Frequency setting resistor connection.
This device is suitable for a range of applications, including power management for processors and FPGAs.
Manufacturer
The LM25119PSQ is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are essential components in electronic devices. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its expertise in analog electronics and embedded processing. The company serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. The LM25119PSQ is a DC-DC step-down regulator, commonly used in power management applications, illustrating TI's commitment to providing innovative solutions for efficient power conversion and management in electronic systems.
Application
The LM25119PSQ is a synchronous step-down voltage regulator designed for applications requiring high efficiency and precise voltage control. Key application areas include:
1. Consumer Electronics: Powering devices like smartphones, tablets, and laptops.
2. Industrial Equipment: Providing stable power for automation systems and sensors.
3. Telecommunications: Supporting base stations and communication infrastructure.
4. Automotive: Used in power management for infotainment systems and electric vehicle components.
5. Gaming and Computing: Optimizing power delivery for graphics cards and high-performance processors.
Its features, such as adjustable output voltage and high switching frequency, make it versatile across these sectors.
1. Consumer Electronics: Powering devices like smartphones, tablets, and laptops.
2. Industrial Equipment: Providing stable power for automation systems and sensors.
3. Telecommunications: Supporting base stations and communication infrastructure.
4. Automotive: Used in power management for infotainment systems and electric vehicle components.
5. Gaming and Computing: Optimizing power delivery for graphics cards and high-performance processors.
Its features, such as adjustable output voltage and high switching frequency, make it versatile across these sectors.
Package
The LM25119PSQ is packaged in a 20-lead HTQFN (Thermal Enhanced Quad Flat No-lead) package. This type of package offers efficient thermal performance and is designed for surface mounting on PCBs.
