LT8601EUJ#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Compact package size - Low quiescent current - Adjustable output voltage

Package: 16-Lead eLQFP

Essence: The LT8601EUJ#PBF is a high-efficiency synchronous monolithic step-down switching regulator. It operates from a wide input voltage range and provides an adjustable output voltage.

Packaging/Quantity: The LT8601EUJ#PBF is available in a 16-Lead eLQFP package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 3V to 42V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 2A
• Switching Frequency: 200kHz to 2.2MHz
• Quiescent Current: 2.5µA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8601EUJ#PBF has the following pin configuration:

1. VIN: Input voltage
2. SW: Switch node connection
3. GND: Ground
4. FB: Feedback voltage input
5. SYNC/MODE: Synchronization or mode selection
6. VCC: IC supply voltage
7. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout
8. PGND: Power ground
9. BST: Bootstrap capacitor connection
10. COMP: Compensation node
11. RT/CLKOUT: Timing resistor or clock output
12. CLKIN/MODE: Clock input or mode selection
13. EN/UVLO: Enable or undervoltage lockout
14. VOUT: Output voltage
15. ITH: Current sense threshold
16. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Adjustable output voltage provides flexibility in system design
• Synchronous rectification improves overall efficiency
• Internal compensation simplifies external component count
• Low quiescent current reduces standby power consumption
• Soft-start and tracking features enable smooth startup and shutdown

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Compact package size - Adjustable output voltage - Internal compensation

Disadvantages: - Limited maximum output current (2A) - Requires additional external components for proper operation

Working Principles

The LT8601EUJ#PBF is a synchronous step-down switching regulator that uses a constant frequency, current mode architecture to regulate the output voltage. It employs an internal power switch and synchronous rectification to achieve high efficiency.

The regulator operates by converting the input voltage to a lower output voltage using a series of switches and inductors. The duty cycle of the switches is controlled by feedback from the output voltage, ensuring stable regulation.

Detailed Application Field Plans

The LT8601EUJ#PBF can be used in various applications, including but not limited to: - Industrial equipment - Automotive systems - Telecom infrastructure - Power supplies - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the LT8601EUJ#PBF include: - LT8610EUJ#PBF - LT8609EUJ#PBF - LT8602EUJ#PBF - LT8603EUJ#PBF - LT8604EUJ#PBF

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the LT8601EUJ#PBF is a high-efficiency synchronous step-down switching regulator with a wide input voltage range and adjustable output voltage. It offers various advantages such as compact size, internal compensation, and low quiescent current. However, it has limitations in terms of maximum output current and requires additional external components for proper operation. The LT8601EUJ#PBF finds applications in diverse fields and has alternative models available for different design needs.