規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5V |
| Current - Output | 600mA |
| Frequency - Switching | 1.5MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The LTC3407EMSE#TRPBF is a dual step-down DC/DC converter designed by Analog Devices (formerly Linear Technology). It is specifically tailored for portable electronics and battery-powered applications, offering efficient power management solutions. The device integrates two synchronous buck converters capable of delivering up to 600mA per channel.
Key features include a high switching frequency (up to 3MHz), which allows for the use of small external components and, thus, a compact circuit design. It also operates in a wide input voltage range, typically from 2.5V to 5.5V, making it suitable for single Li-Ion cell or NiMH/NiCd cell applications.
The LTC3407EMSE#TRPBF is designed for high efficiency, featuring low RDS(ON) transistors and a low quiescent current. It supports Burst Mode operation for improved efficiency at light loads and includes features like soft-start, short-circuit protection, and thermal shutdown. The device comes in a compact MSOP-10 package, making it ideal for space-constrained applications.
Key features include a high switching frequency (up to 3MHz), which allows for the use of small external components and, thus, a compact circuit design. It also operates in a wide input voltage range, typically from 2.5V to 5.5V, making it suitable for single Li-Ion cell or NiMH/NiCd cell applications.
The LTC3407EMSE#TRPBF is designed for high efficiency, featuring low RDS(ON) transistors and a low quiescent current. It supports Burst Mode operation for improved efficiency at light loads and includes features like soft-start, short-circuit protection, and thermal shutdown. The device comes in a compact MSOP-10 package, making it ideal for space-constrained applications.
Equivalent
The LTC3407EMSE#TRPBF is a dual step-down DC/DC converter designed by Analog Devices. Equivalent products include:
1. Texas Instruments TPS62400 - A dual step-down converter with similar voltage and current specifications.
2. Maxim Integrated MAX15062 - Offers a compact solution with similar functionality.
3. Microchip MCP16331 - A step-down regulator with comparable features.
4. Diodes Incorporated AP6502 - Provides similar output capabilities.
Ensure to verify specific requirements such as package type and electrical characteristics when selecting an alternative.
1. Texas Instruments TPS62400 - A dual step-down converter with similar voltage and current specifications.
2. Maxim Integrated MAX15062 - Offers a compact solution with similar functionality.
3. Microchip MCP16331 - A step-down regulator with comparable features.
4. Diodes Incorporated AP6502 - Provides similar output capabilities.
Ensure to verify specific requirements such as package type and electrical characteristics when selecting an alternative.
Features
The LTC3407EMSE#TRPBF is a dual, synchronous step-down DC/DC converter. It features high efficiency, reaching up to 95%, and can deliver up to 600mA of output current per channel. The device operates from an input voltage range of 2.5V to 5.5V, making it suitable for single-cell Li-Ion battery-powered applications. Its switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors.
The LTC3407 employs a current mode, constant frequency architecture, which ensures fast transient response and good loop stability. It includes a low dropout mode, maintaining regulation with low input voltages, and a 100% duty cycle operation. The converter also features soft-start to limit inrush current during startup and is designed with over-temperature and short-circuit protection.
Additional features include a low shutdown current of less than 1µA, a Power Good indicator for each channel, and programmable output voltages. The device is offered in a small MSOP-10 package, making it suitable for compact applications.
The LTC3407 employs a current mode, constant frequency architecture, which ensures fast transient response and good loop stability. It includes a low dropout mode, maintaining regulation with low input voltages, and a 100% duty cycle operation. The converter also features soft-start to limit inrush current during startup and is designed with over-temperature and short-circuit protection.
Additional features include a low shutdown current of less than 1µA, a Power Good indicator for each channel, and programmable output voltages. The device is offered in a small MSOP-10 package, making it suitable for compact applications.
Pinout
The LTC3407EMSE#TRPBF is a dual, high-efficiency, monolithic synchronous step-down regulator. It comes in a 16-lead MSOP (Mini Small Outline Package) with an exposed pad, which means it has 16 pins.
Its primary function is to convert a higher input voltage to a lower output voltage with high efficiency. It is designed for applications that require dual outputs, providing two independent outputs that can be set to different voltage levels. Each regulator channel can deliver up to 600mA of output current. This makes it suitable for portable electronics or applications requiring efficient power management.
The LTC3407 features a fixed-frequency operation, high efficiency over a wide load range, and a low dropout operation to extend battery life. It also includes additional features such as a Power Good indicator, internal soft-start, and output overvoltage protection.
Its primary function is to convert a higher input voltage to a lower output voltage with high efficiency. It is designed for applications that require dual outputs, providing two independent outputs that can be set to different voltage levels. Each regulator channel can deliver up to 600mA of output current. This makes it suitable for portable electronics or applications requiring efficient power management.
The LTC3407 features a fixed-frequency operation, high efficiency over a wide load range, and a low dropout operation to extend battery life. It also includes additional features such as a Power Good indicator, internal soft-start, and output overvoltage protection.
Manufacturer
The LTC3407EMSE#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of a broad portfolio of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including telecommunications, automotive, industrial, healthcare, and consumer electronics. ADI is known for its innovation in high-performance electronics and has a strong reputation for quality and reliability.
Application
The LTC3407EMSE#TRPBF is a dual synchronous step-down DC/DC converter. It is commonly used in power management applications for portable devices. Key application areas include:
1. Smartphones and Tablets: Provides efficient power regulation for processors and other components.
2. Wireless Communication Devices: Powers RF and baseband processors.
3. Digital Cameras and Camcorders: Supplies power to image sensors and processing units.
4. GPS Devices: Ensures stable voltage for signal processing and display.
5. Portable Media Players: Powers audio and video processing circuits.
6. Battery-Powered Equipment: Offers high efficiency for longer battery life.
The converter is valued for its efficiency, compactness, and ability to operate with low input voltages.
1. Smartphones and Tablets: Provides efficient power regulation for processors and other components.
2. Wireless Communication Devices: Powers RF and baseband processors.
3. Digital Cameras and Camcorders: Supplies power to image sensors and processing units.
4. GPS Devices: Ensures stable voltage for signal processing and display.
5. Portable Media Players: Powers audio and video processing circuits.
6. Battery-Powered Equipment: Offers high efficiency for longer battery life.
The converter is valued for its efficiency, compactness, and ability to operate with low input voltages.
Package
The LTC3407EMSE#TRPBF is a micro-power dual step-down DC/DC converter package from Analog Devices, typically available in a 10-lead MSOP (Mini Small Outline Package) with exposed pad for improved thermal performance.
