LM25056APSQE/NOPB

Product Overview

• Belongs to: Voltage Regulator
• Category: Integrated Circuits
• Use: The LM25056APSQE/NOPB is a synchronous buck controller designed for high efficiency and flexibility. It is commonly used in power supply applications where a regulated output voltage is required.
• Characteristics: The LM25056APSQE/NOPB features a wide input voltage range, adjustable switching frequency, and integrated protection features. It comes in a small package, making it suitable for space-constrained applications.
• Package: 16-pin WQFN package
• Essence: Efficient and flexible voltage regulation
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.6V to 14V
• Switching Frequency: Adjustable up to 2.2MHz
• Operating Temperature Range: -40°C to 125°C
• Integrated Protection: Overcurrent protection, thermal shutdown, and undervoltage lockout

Detailed Pin Configuration

1. VIN: Input voltage
2. PGND: Power ground
3. BOOT: Bootstrap capacitor connection
4. PH: Phase node connection
5. COMP: Compensation pin
6. SS/TR: Soft-start/tracking
7. FB: Feedback voltage input
8. VCC: Controller supply voltage
9. EN: Enable pin
10. RT/CLK: Oscillator frequency setting
11. SS/TR: Soft-start/tracking
12. PGND: Power ground
13. AGND: Analog ground
14. SS/TR: Soft-start/tracking
15. SS/TR: Soft-start/tracking
16. SW: Switching node connection

Functional Features

• Synchronous Rectification: Improves efficiency by reducing power losses
• Adjustable Frequency: Allows optimization for different operating conditions
• Protection Features: Enhances reliability and safeguards the circuit and load
• Soft-Start: Prevents inrush current during startup

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Integrated protection features
• Small package size

Disadvantages

• Higher cost compared to non-synchronous regulators
• Complexity in design and layout due to synchronous operation

Working Principles

The LM25056APSQE/NOPB operates as a synchronous buck controller, regulating the output voltage by controlling the duty cycle of the power switch. It uses a feedback loop to adjust the duty cycle based on the difference between the actual output voltage and the desired setpoint.

Detailed Application Field Plans

The LM25056APSQE/NOPB is well-suited for various applications including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - LED lighting systems - Battery charging systems

Detailed and Complete Alternative Models

Some alternative models to the LM25056APSQE/NOPB include: - LM5116 - TPS54332

In conclusion, the LM25056APSQE/NOPB is a versatile and efficient voltage regulator suitable for a wide range of applications, offering flexibility and integrated protection features. Its compact package and adjustable frequency make it an attractive choice for designers seeking high-performance power supply solutions.