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LTC3261MPMSE#TRPBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Multiple output voltages - Small package size
Package: MSE Package
Essence: The LTC3261MPMSE#TRPBF is a power management IC designed for various applications that require multiple regulated voltages. It integrates a high-efficiency buck-boost DC/DC converter and two low dropout (LDO) linear regulators.
Packaging/Quantity: The LTC3261MPMSE#TRPBF is available in a small MSE package. The quantity per package may vary depending on the supplier.
Specifications
- Input Voltage Range: 2.7V to 38V
- Output Voltage Range (Buck-Boost Converter): -5V to 5V
- Output Voltage Range (LDO Regulators): 0.8V to 3.6V
- Buck-Boost Converter Efficiency: Up to 95%
- LDO Regulator Quiescent Current: Less than 10µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3261MPMSE#TRPBF has a total of 24 pins. Here is the detailed pin configuration:
- VIN: Input voltage pin
- SW: Switching node for the buck-boost converter
- PGND: Power ground
- LX: Inductor connection for the buck-boost converter
- VOUT1: Output voltage pin for LDO regulator 1
- VOUT2: Output voltage pin for LDO regulator 2
- EN1: Enable pin for LDO regulator 1
- EN2: Enable pin for LDO regulator 2
- FB1: Feedback pin for LDO regulator 1
- FB2: Feedback pin for LDO regulator 2
- GND: Ground connection
- VOUT3: Output voltage pin for the buck-boost converter
- SS: Soft-start capacitor connection
- BST: Boost capacitor connection
- PGND: Power ground
- LX: Inductor connection for the buck-boost converter
- SW: Switching node for the buck-boost converter
- VIN: Input voltage pin
- VOUT4: Output voltage pin for the buck-boost converter
- EN3: Enable pin for the buck-boost converter
- FB3: Feedback pin for the buck-boost converter
- GND: Ground connection
- VOUT5: Output voltage pin for the buck-boost converter
- VOUT6: Output voltage pin for the buck-boost converter
Functional Features
Buck-Boost Converter:
- Converts input voltage to a regulated output voltage within a wide range.
- High efficiency operation for power conservation.
- Provides multiple output voltages simultaneously.
LDO Regulators:
- Low dropout voltage regulators for precise voltage regulation.
- Can be enabled or disabled individually.
- Suitable for powering sensitive components.
Advantages and Disadvantages
Advantages: - Wide input voltage range allows flexibility in various applications. - High efficiency operation reduces power consumption. - Multiple output voltages cater to different voltage requirements. - Small package size saves board space. - Low quiescent current prolongs battery life.
Disadvantages: - Limited output current capacity may not be suitable for high-power applications. - Complex pin configuration requires careful PCB layout design.
Working Principles
The LTC3261MPMSE#TRPBF utilizes a buck-boost DC/DC converter to regulate the input voltage and provide a stable output voltage. The LDO regulators further refine the output voltages for specific components that require precise voltage levels.
The buck-boost converter operates by adjusting the duty cycle of the switching transistor to step up or step down the input voltage. This allows it to maintain a regulated output voltage within a wide input voltage range.
The LDO regulators, on the other hand, use a pass transistor to regulate the output voltage. They provide low dropout voltage, ensuring stable and accurate voltage supply to sensitive components.
Detailed Application Field Plans
The LTC3261MPMSE#TRPBF is suitable for various applications that require multiple regulated voltages, such as: - Portable electronic devices - Industrial control systems - Automotive electronics - Battery-powered systems - IoT devices
Detailed and Complete Alternative Models
- LTC3260: Similar functionality with a different pin configuration.
- LTC3262: Higher output current capacity but larger package size.
- LTC3263: Lower quiescent current but limited
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3261MPMSE#TRPBF en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LTC3261MPMSE#TRPBF in technical solutions:
Q1: What is LTC3261MPMSE#TRPBF? A1: LTC3261MPMSE#TRPBF is a specific model number for a power management IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q2: What are the key features of LTC3261MPMSE#TRPBF? A2: Some key features of LTC3261MPMSE#TRPBF include dual low noise LDO regulators, a high voltage boost converter, an integrated flyback controller, and a wide input voltage range.
Q3: What are the typical applications of LTC3261MPMSE#TRPBF? A3: LTC3261MPMSE#TRPBF is commonly used in applications such as battery-powered systems, industrial control systems, portable devices, and other electronic systems that require multiple power supply rails.
Q4: What is the input voltage range supported by LTC3261MPMSE#TRPBF? A4: LTC3261MPMSE#TRPBF supports an input voltage range from 2.7V to 38V, making it suitable for a wide range of power sources.
Q5: How many output channels does LTC3261MPMSE#TRPBF have? A5: LTC3261MPMSE#TRPBF has two independent output channels, allowing for the generation of multiple regulated voltages.
Q6: Can LTC3261MPMSE#TRPBF handle high current loads? A6: Yes, LTC3261MPMSE#TRPBF is capable of delivering up to 100mA of output current per channel, making it suitable for powering various components and subsystems.
Q7: Does LTC3261MPMSE#TRPBF have any built-in protection features? A7: Yes, LTC3261MPMSE#TRPBF includes several built-in protection features such as overcurrent protection, thermal shutdown, and reverse battery protection.
Q8: Is LTC3261MPMSE#TRPBF easy to integrate into existing systems? A8: Yes, LTC3261MPMSE#TRPBF is available in a compact package and offers a simple interface, making it relatively easy to integrate into existing systems.
Q9: Can LTC3261MPMSE#TRPBF operate in harsh environments? A9: LTC3261MPMSE#TRPBF has a wide operating temperature range of -40°C to 125°C, allowing it to function reliably in various environmental conditions.
Q10: Where can I find more information about LTC3261MPMSE#TRPBF? A10: You can find more detailed information about LTC3261MPMSE#TRPBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.