LM5035SQX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 16-pin LLP (Leadless Leadframe Package)

Essence: The LM5035SQX/NOPB is a voltage regulator IC designed for high-efficiency power conversion applications.

Packaging/Quantity: The LM5035SQX/NOPB is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM5035SQX/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage
4. SS/TR: Soft-start/Tracking control
5. FB: Feedback voltage
6. COMP: Compensation node
7. EN: Enable control
8. PG: Power good indicator
9. SYNC: Synchronization input
10. RT/CT: Timing resistor/capacitor
11. BST: Bootstrap capacitor
12. SW: Switch node
13. SW: Switch node
14. AGND: Analog ground
15. AGND: Analog ground
16. VCC: Supply voltage

Functional Features

• High-efficiency synchronous buck regulator
• Adaptive gate drive for enhanced efficiency
• Programmable soft-start and tracking control
• Precision voltage reference
• Overcurrent protection with hiccup mode
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum output current (3A) - Requires external timing resistor and capacitor for operation

Working Principles

The LM5035SQX/NOPB operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage with high efficiency. It utilizes adaptive gate drive techniques to optimize the switching performance and minimize power losses. The IC incorporates a precision voltage reference, which enables accurate regulation of the output voltage. Overcurrent protection and thermal shutdown features ensure safe operation under fault conditions.

Detailed Application Field Plans

The LM5035SQX/NOPB is suitable for various applications, including but not limited to: - Industrial power supplies - Telecom infrastructure - Automotive electronics - LED lighting systems - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM5035SQX/NOPB are: - LM2596S-ADJ - LT8610ABEMSE#PBF - TPS54332DDAR - MAX15062ATI+ - ADP2384ACPZ-R7

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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