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LTC3780EG#TRPBF
+Lista de MateriaisIC REG CTRLR BUCK-BOOST 24SSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LTC3780EG#TRPBF
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Ficha Técnica LTC3780EG#TRPBF DataSheet
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Pacote SSOP-24
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 30V |
| Frequency - Switching | 200kHz ~ 400kHz |
| Duty Cycle(Max) | 99% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the LTC3780 include a wide input voltage range, high efficiency, and the ability to deliver a stable output with low noise. It integrates N-channel MOSFETs for high efficiency and supports current mode control for fast transient response and easy loop compensation. The chip also offers features like programmable frequency, soft start, and current limit protection.
The package type is typically a 28-lead exposed pad SSOP, and it is designed for ease of use in a variety of applications including automotive, industrial, and telecom systems. Its part number often includes a suffix indicating packaging type and temperature range.
Equivalent
1. MAX15162 by Maxim Integrated - A high-voltage buck-boost converter.
2. LM5175 by Texas Instruments - A wide VIN buck-boost controller.
3. ISL81601 by Renesas - A bidirectional 60V synchronous buck-boost controller.
4. ADP5071 by Analog Devices - A boost/inverting regulator.
Always verify pin compatibility and performance specifications before substituting.
Features
1. Wide Input Voltage Range: It supports input voltages from 4V to 38V, making it versatile for various applications.
2. Output Voltage: It can regulate output voltages from 0.8V to 30V with a high degree of precision.
3. Efficiency: The controller provides high efficiency across its operating range, achieving up to 98% under certain conditions.
4. Constant-Frequency Operation: It operates at a constant frequency of 200kHz, which can be synchronized to an external clock ranging from 100kHz to 400kHz.
5. Four Switch PWM Architecture: This design allows seamless transition between buck and boost modes.
6. Current Mode Control: It enables excellent line and load transient responses.
7. Protection Features: Includes overvoltage, undervoltage, current limit, and thermal shutdown protections.
8. Soft-Start Capability: Programmable soft-start functionality to limit inrush currents.
9. Package: Available in a thermally enhanced 20-lead TSSOP package.
These features make the LTC3780EG#TRPBF suitable for automotive, industrial, and battery-powered systems where a stable and efficient power supply is necessary.
Pinout
Manufacturer
Application
1. Power Supply Design: Used in systems requiring stable power supply across varying input voltages, such as battery-operated devices.
2. Automotive Systems: Ideal for use in car electronics and power management systems, due to its ability to handle wide input voltage ranges.
3. Telecommunications: Supports stable power for network equipment where voltage fluctuation is common.
4. Industrial Equipment: Ensures consistent power delivery in industrial automation and control systems.
5. Portable Devices: Powers devices with both chargers and battery inputs, accommodating varying power sources efficiently.
These applications benefit from the LTC3780's efficiency in converting and regulating power across different operational conditions.