LTC3256MPMSE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Multiple output voltages - Small package size

Package: MSE Package

Essence: The LTC3256MPMSE#TRPBF is a power management IC designed for various applications that require multiple regulated voltages. It provides high efficiency and low quiescent current, making it suitable for battery-powered devices.

Packaging/Quantity: The LTC3256MPMSE#TRPBF is available in a small MSE package. The quantity per reel is specified by the manufacturer.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.8V to 5V
• Number of Outputs: 3
• Output Current: Up to 200mA per output
• Quiescent Current: 30µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3256MPMSE#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT1: Output voltage pin 1
4. VOUT2: Output voltage pin 2
5. VOUT3: Output voltage pin 3
6. EN: Enable pin
7. FB1: Feedback pin 1
8. FB2: Feedback pin 2
9. FB3: Feedback pin 3
10. SS: Soft-start pin

Functional Features

• Triple output voltage regulation
• Adjustable output voltages
• Low dropout voltage
• Overcurrent and overtemperature protection
• Soft-start capability
• Enable/disable control

Advantages and Disadvantages

Advantages: - High efficiency helps conserve battery life - Wide input voltage range allows for versatile applications - Small package size saves board space - Multiple output voltages cater to different power requirements

Disadvantages: - Limited output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The LTC3256MPMSE#TRPBF is a power management IC that regulates multiple output voltages from a single input voltage. It utilizes a combination of switching regulators and linear regulators to achieve high efficiency and low quiescent current.

The input voltage is stepped down using a buck converter, and the resulting voltage is further regulated by linear regulators to provide stable output voltages. The enable pin allows for easy control of the device's operation, while the soft-start feature ensures a gradual ramp-up of the output voltages to prevent excessive inrush current.

Detailed Application Field Plans

The LTC3256MPMSE#TRPBF can be used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Wearable devices - Industrial equipment

Its ability to provide multiple regulated voltages makes it suitable for systems that require different power levels for various components.

Detailed and Complete Alternative Models

1. LTC3260: Similar power management IC with four outputs instead of three.
2. LTC3245: Power management IC with two outputs and higher output current capability.
3. LTC3265: Power management IC with adjustable output voltages and higher efficiency.

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

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