LTC1153CS8#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter/Regulator
• Characteristics: Low Power, High Efficiency
• Package: 8-Pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides voltage conversion and regulation functionality in a compact form factor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 15V
• Output Voltage Range: 1.25V to 12V
• Maximum Output Current: 50mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LTC1153CS8#TRPBF has the following pin configuration:

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

Functional Features

• Voltage Conversion: The LTC1153CS8#TRPBF can convert an input voltage within the specified range to a regulated output voltage.
• Shutdown Mode: The SHDN pin allows the device to be put into a low-power shutdown mode, reducing power consumption when not in use.
• Short-Circuit Protection: The IC incorporates short-circuit protection to prevent damage to the device in case of a fault.
• Thermal Shutdown: If the operating temperature exceeds the specified limit, the LTC1153CS8#TRPBF will shut down to protect itself from overheating.

Advantages and Disadvantages

Advantages: - Low quiescent current enables efficient operation in battery-powered applications. - Compact package size allows for space-saving designs. - Wide input voltage range provides flexibility in various applications.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Lack of adjustable output voltage limits customization options.

Working Principles

The LTC1153CS8#TRPBF utilizes a step-up/step-down switching regulator topology to convert the input voltage to the desired output voltage. It employs pulse width modulation (PWM) techniques to regulate the output voltage accurately. The feedback mechanism ensures that the output voltage remains within the specified range, compensating for load variations.

Detailed Application Field Plans

The LTC1153CS8#TRPBF finds applications in various fields, including:

1. Portable Electronics: Powering low-power devices such as smartphones, tablets, and portable media players.
2. Industrial Automation: Providing regulated voltage for sensors, actuators, and control systems.
3. Automotive Electronics: Voltage conversion for automotive infotainment systems, lighting modules, and other electronic components.
4. Medical Devices: Powering medical instruments and wearable health monitoring devices.
5. IoT (Internet of Things): Enabling efficient power management in IoT devices with limited power budgets.

Detailed and Complete Alternative Models

1. LT1173: Higher output current capability (up to 500mA), suitable for more demanding applications.
2. LTC1871: Wide input voltage range (4V to 60V) and higher output power (up to 100W), ideal for automotive and industrial applications.
3. LT1307: Adjustable output voltage and higher efficiency, suitable for battery-powered devices requiring precise voltage regulation.

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