Imagens apenas para referência
LT3439EFE#TRPBF
+Lista de MateriaisIC REG PUSH-PULL 1A 16TSSOP
-
FabricanteAnalog Devices Inc.
-
Peça do Fabricante #LT3439EFE#TRPBF
-
Ficha Técnica LT3439EFE#TRPBF DataSheet
-
Pacote TSSOP-16
-
Em Estoque5583
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive, Isolation Capable |
| Topology | Push-Pull |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.8V |
| Voltage-Input(Max) | 17.5V |
| Current-Output | 1A |
| Frequency-Switching | 20kHz ~ 250kHz |
| SynchronousRectifier | No |
| OperatingTemperature | 0°C ~ 70°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Visão Geral
Description
The LT3439EFE#TRPBF integrates advanced circuitry to provide excellent line and load regulation with fast transient response. It also offers programmable switching frequency, allowing for optimization between efficiency and component size. The regulator includes built-in protection features such as thermal shutdown, over-current protection, and soft-start functionality to prevent inrush current.
Packaged in a compact TSSOP, the LT3439EFE#TRPBF is designed for easy implementation in space-constrained applications. Its design flexibility and reliability make it a popular choice for designers seeking an effective solution for their power management needs.
Equivalent
1. Texas Instruments LM5085: A high-efficiency step-down controller with similar voltage and current capabilities.
2. Analog Devices LT3845: Offers a high input voltage step-down and similar functionality.
3. ON Semiconductor NCP1034: A robust step-down switching regulator suitable for similar applications.
When selecting a replacement, consider factors like input voltage range, output current, efficiency, and package type.
Features
1. Wide Input Voltage Range: Supports 4V to 60V, accommodating diverse power sources.
2. Internal Power Switch: Integrates a 2A, 60V switch, reducing external component count and enhancing reliability.
3. No Opto-isolator Required: Utilizes boundary mode operation, eliminating the need for an opto-isolator or third winding for isolated outputs.
4. Adjustable Switching Frequency: Allows frequency setting between 100kHz and 250kHz, optimizing efficiency and performance.
5. Output Power Capabilities: Suitable for applications requiring up to 15W of power.
6. Protection Features: Includes overvoltage and overcurrent protection, enhancing safety and durability.
7. Thermal Management: Operates over a wide temperature range, with an exposed pad for improved heat dissipation.
8. Package: Available in a 16-lead TSSOP package with an exposed pad for better thermal performance.
These features make it ideal for applications in isolated power supplies, telecommunications, and industrial control systems.
Pinout
The device is designed for applications requiring efficient and compact DC-DC conversion with a high switching frequency. It includes features like short-circuit protection, thermal shutdown, and soft-start capabilities. The LT3439EFE#TRPBF is suitable for use in automotive, industrial, and general-purpose power supply applications, providing a regulated output voltage from a varying input voltage source.
For detailed pin functions, users should refer to the manufacturer's datasheet, which provides comprehensive information regarding each pin's role in signal input, output, power supply, and configuration settings. The datasheet will also include recommended configurations for optimal performance in different application scenarios.