LTC1155CS8#TR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter/Regulator
• Characteristics:
  • Low power consumption
  • High efficiency
  • Wide input voltage range
  • Small package size
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Voltage converter/regulator IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 15V
• Output Voltage Range: 1.25V to 12.6V
• Output Current: Up to 100mA
• Quiescent Current: 50µA (typical)
• Switching Frequency: 150kHz (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)
4. FB (Feedback)
5. SHDN (Shutdown)
6. SW (Switch)
7. NC (No Connection)
8. VCC (Power Supply)

Functional Features

• Voltage conversion/regulation from input to output
• Low quiescent current for power-saving applications
• Shutdown mode for further power reduction
• Overcurrent protection
• Thermal shutdown protection
• Adjustable output voltage through feedback pin

Advantages

• Low power consumption extends battery life in portable devices
• High efficiency reduces power dissipation and heat generation
• Wide input voltage range allows compatibility with various power sources
• Small package size saves board space in compact designs

Disadvantages

• Limited output current may not be suitable for high-power applications
• Fixed switching frequency may cause interference in sensitive circuits

Working Principles

The LTC1155CS8#TR is a voltage converter/regulator IC that operates by converting the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency and low power consumption. The feedback pin allows for adjustable output voltage, while the shutdown pin enables power-saving mode when not in use. Overcurrent and thermal shutdown protection features ensure safe operation.

Detailed Application Field Plans

The LTC1155CS8#TR finds applications in various fields, including: 1. Battery-powered devices: Provides efficient voltage conversion for portable electronics such as smartphones, tablets, and wearables. 2. Industrial automation: Used in control systems, sensors, and actuators that require stable and regulated power supply. 3. Automotive electronics: Enables voltage regulation in automotive applications like infotainment systems, lighting, and motor control. 4. Telecommunications: Suitable for voltage conversion in networking equipment, routers, and communication devices. 5. Renewable energy systems: Facilitates voltage regulation in solar panels, wind turbines, and battery charging systems.

Detailed and Complete Alternative Models

1. LTC1153 - Similar voltage converter/regulator IC with lower quiescent current and higher output current capability.
2. LT1170 - Switching regulator IC with higher output current and wider input voltage range.
3. LM2576 - Step-down voltage regulator IC with adjustable output voltage and higher output current capacity.

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