LTC3895EFE#PBF

Product Overview

Category

LTC3895EFE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply.

Characteristics

• High efficiency: The LTC3895EFE#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Multiple output configurations: This IC supports various output configurations, allowing flexibility in power supply design.
• Advanced protection features: It incorporates comprehensive protection mechanisms to safeguard against overvoltage, overcurrent, and thermal issues.

Package

The LTC3895EFE#PBF is available in a small form factor package, which ensures space-saving integration into electronic devices.

Essence

The essence of LTC3895EFE#PBF lies in its ability to efficiently manage power supply, providing stable and regulated voltages to different components within an electronic system.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of LTC3895EFE#PBF units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: Adjustable from 0.8V to 55V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: 20-Lead TSSOP

Detailed Pin Configuration

The LTC3895EFE#PBF features a 20-lead TSSOP package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. SS: Soft-start pin for controlling the startup behavior
5. VCC: Supply voltage pin for internal circuitry
6. PGND: Power ground pin
7. SW: Switching node pin for power conversion
8. SYNC/SS/TR/UVLO: Synchronization, soft-start, tracking, and undervoltage lockout control pin
9. COMP: Compensation pin for stability optimization
10. RUN/SS/TR/UVLO: Run, soft-start, tracking, and undervoltage lockout control pin
11. VOUT: Output voltage pin 12-20. NC: No connection pins

Functional Features

1. High Efficiency Conversion

The LTC3895EFE#PBF incorporates advanced power management techniques to achieve high conversion efficiency, minimizing energy losses during voltage regulation.

2. Wide Input Voltage Range

With a wide input voltage range of 4.5V to 60V, this IC can handle various input sources, making it suitable for a broad range of applications.

3. Multiple Output Configurations

The LTC3895EFE#PBF supports multiple output configurations, including buck, boost, buck-boost, and SEPIC, providing flexibility in power supply design.

4. Comprehensive Protection Mechanisms

This IC integrates comprehensive protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring safe operation and preventing damage to the system.

Advantages and Disadvantages

Advantages

• High conversion efficiency reduces power losses.
• Wide input voltage range enables versatile application usage.
• Multiple output configurations offer design flexibility.
• Comprehensive protection mechanisms enhance system reliability.

Disadvantages

• Limited maximum output current of 3A may not be suitable for high-power applications.
• The 20-lead TSSOP package might require additional space compared to smaller packages.

Working Principles

The LTC3895EFE#PBF operates based on a switching regulator topology, utilizing pulse-width modulation (PWM) techniques to regulate the output voltage. It employs an internal power MOSFET switch to efficiently convert the input voltage to the desired output voltage level. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switch to maintain a stable output.

Detailed Application Field Plans

The LTC3895EFE#PBF finds applications in various fields, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Power distribution systems - Renewable energy systems

Detailed and Complete Alternative Models

1. LTC3895IFE#PBF: Similar to LTC3895EFE#PBF, but with an exposed pad package option for improved thermal performance.
2. LTC3895HFE#PBF: A higher current version of LTC3895EFE#PBF, capable of