LTC1148HVCS-3.3#PBF

Product Overview

Category

The LTC1148HVCS-3.3#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in various electronic devices and systems.

Characteristics

• Input Voltage Range: 2.7V to 18V
• Output Voltage: 3.3V
• Maximum Output Current: 400mA
• Package Type: SOIC (Small Outline Integrated Circuit)
• Package Dimensions: 5mm x 6.1mm
• Operating Temperature Range: -40°C to 85°C

Essence

The LTC1148HVCS-3.3#PBF is a high voltage, low dropout linear regulator designed to provide a stable and regulated output voltage of 3.3V from an input voltage ranging from 2.7V to 18V.

Packaging/Quantity

This product is available in a standard SOIC package and is typically sold in reels or tubes containing multiple units.

Specifications

• Dropout Voltage: 300mV at 400mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.05%
• Quiescent Current: 75µA
• Ripple Rejection: 70dB
• Shutdown Current: 1µA
• Short-Circuit Current Limit: 600mA

Detailed Pin Configuration

The LTC1148HVCS-3.3#PBF has a total of 8 pins arranged as follows:

1. VIN - Input Voltage
2. GND - Ground
3. SHDN - Shutdown Control
4. VOUT - Output Voltage
5. FB - Feedback Pin
6. NC - No Connection
7. NC - No Connection
8. NC - No Connection

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High input voltage range allows for versatile applications.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current minimizes power consumption.
• Shutdown control feature enables power-saving mode.

Advantages and Disadvantages

Advantages

• Wide input voltage range makes it suitable for various applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for a stable output voltage.
• Shutdown control feature allows for power-saving operation.

Disadvantages

• Limited maximum output current of 400mA may not be sufficient for high-power applications.
• The SOIC package may not be suitable for space-constrained designs.

Working Principles

The LTC1148HVCS-3.3#PBF operates as a linear regulator, utilizing a pass transistor to regulate the output voltage. It employs a feedback mechanism to compare the actual output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V.

Detailed Application Field Plans

The LTC1148HVCS-3.3#PBF can be used in various applications, including but not limited to: - Battery-powered devices - Industrial control systems - Automotive electronics - Telecommunications equipment - Portable consumer electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package type.
2. LT1763-3.3: Offers higher output current capability and lower dropout voltage.
3. MAX6033: Provides adjustable output voltage and higher output current.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

In conclusion, the LTC1148HVCS-3.3#PBF is a high voltage, low dropout linear regulator that provides a stable 3.3V output voltage. With its wide input voltage range, excellent regulation, and power-saving features, it finds applications in various electronic systems. However, its limited output current and package type may pose limitations in certain scenarios. Users can consider alternative models with different specifications to meet their specific needs.