LTC1147CN8-5#PBF

Product Overview

Category

The LTC1147CN8-5#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency voltage regulation
• Low quiescent current consumption
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

The LTC1147CN8-5#PBF is available in an 8-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to provide stable and regulated power supply voltages, ensuring proper functioning of electronic devices and systems.

Packaging/Quantity

The LTC1147CN8-5#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 10V
• Output Voltage Range: 1.25V to 9.75V
• Maximum Output Current: 500mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1147CN8-5#PBF has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. SHDN (Shutdown)
6. COMP (Compensation)
7. SS (Soft-Start)
8. VREF (Reference Voltage)

Functional Features

• High Efficiency: The LTC1147CN8-5#PBF utilizes advanced circuitry to achieve high efficiency voltage regulation, minimizing power losses.
• Low Quiescent Current: With a low quiescent current consumption of only 60µA, this IC helps conserve power in battery-operated devices.
• Wide Input Voltage Range: The product can accept input voltages ranging from 2.5V to 10V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.25V to 9.75V, providing flexibility for different requirements.
• Overcurrent Protection: The LTC1147CN8-5#PBF incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency voltage regulation ensures optimal power utilization.
• Low quiescent current consumption prolongs battery life.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides versatility for different applications.
• Overcurrent and thermal shutdown protections enhance system reliability.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• The 8-pin package may limit the number of available pins for additional functionalities.

Working Principles

The LTC1147CN8-5#PBF operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired voltage level. The compensation pin (COMP) is used to stabilize the control loop and ensure proper transient response.

Detailed Application Field Plans

The LTC1147CN8-5#PBF finds application in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

1. LTC1147CS8-5#PBF: Similar to LTC1147CN8-5#PBF but available in an 8-pin small outline integrated circuit (SOIC) package.
2. LTC1147CS8-3.3#PBF: Similar to LTC1147CN8-5#PBF but with a fixed output voltage of 3.3V.
3. LTC1147CS8-ADJ#PBF: Similar to LTC1147CN8-5#PBF but with an adjustable output voltage range of 0.8V to 9.75V.

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

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