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LTC3780EG
Switching Controller, Current-mode, 3A, 440kHz Switching Freq-Max, PDSO24LTC3780EG
Switching Controller, Current-mode, 3A, 440kHz Switching Freq-Max, PDSO24
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製造商零件號 # : LTC3780EG
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包裝/封裝: SSOP-24
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製造商: Analog Devices
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產品分類 : DC DC Switching Controllers
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LTC3780EG 數據表
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詳細說明
The LTC®3780 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant frequency current mode architecture allows a phaselockable frequency of up to 400kHz. With a wide 4V to 30V (36V maximum) input and output range and seamless transfers between operating modes, the LTC3780 is ideal for automotive, telecom and battery-powered systems.FEATURES■ Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT■ Wide VIN Range: 4V to 36V Operation■ Synchronous Rectification: Up to 98% Efficiency■ Current Mode Control■ ±1% Output Voltage Accuracy: 0.8V
主要特徵
- The LTC37EG is suitable for use in medical equipment and automotive systems
- features a wide input voltage range of ±22V
- low power consumption and high efficiency
應用
- Highly efficient
- Versatile power supply
- Reliable performance
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Product Category ! | Switching Voltage Regulators | RoHS | No -RoHS Version Available |
| Mounting Style | SMD/SMT | Package / Case | SSOP-24 |
| Topology | Buck-Boost | Output Voltage | 800 mV to 30 V |
| Output Current ! | 10 A | Number of Outputs | 1 Output |
| Input Voltage, Min | 4 V | Input Voltage, Max | 36 V |
| Switching Frequency ! | 400 kHz | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 85 C | Series | LTC3780 |
| Brand | Analog Devices | Operating Supply Current | 2.4 mA |
| Product Type ! | Switching Voltage Regulators | Subcategory | PMIC - Power Management ICs |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LTC3780EG?
The LTC3780EG is a high-efficiency synchronous buck-boost DC/DC converter designed by Linear Technology (now part of Analog Devices). It is ideal for applications requiring voltage regulation and power conversion across a wide input voltage range, such as battery charging, LED drivers, and portable devices.
How Does LTC3780EG Work?
The LTC3780EG works by efficiently converting input voltage to a regulated output voltage through buck or boost operation. It employs synchronous rectification to minimize power loss and improve efficiency. The converter features adjustable output voltage and current limiting capabilities, providing flexibility for various power supply requirements.
How Many Pins does LTC3780EG have and What are the Functions of the Pinout Configuration?
The LTC3780EG is housed in a 28-lead SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VIN1: Alternative input voltage pin.
- SW: Switching node pin for power conversion.
- PGND: Power ground pin.
- FB: Feedback pin for voltage regulation.
- COMP: Compensation pin for loop stability.
- VOUT: Output voltage pin.
- GND: Ground pin.
What are the Pros and Cons of LTC3780EG?
Pros:
- Wide Input Voltage Range: Suitable for applications with variable input voltages.
- High Efficiency: Employs synchronous rectification for reduced power loss.
- Adjustable Output Voltage: Provides flexibility in configuring the output voltage.
- Compact Package: The SSOP package is space-efficient for compact designs.
- Current Limiting: Includes current limiting features for added protection.
Cons:
- Complexity: May require careful design considerations for optimal performance.
- External Components: Additional components may be needed for specific application requirements.
- Thermal Management: High efficiency can lead to increased heat generation, requiring thermal considerations.
Are There Any Equivalents/Alternatives to LTC3780EG for Recommendation?
- The LT8331 from Analog Devices is a similar synchronous buck-boost converter with comparable features.
- Alternatives to the LTC3780EG include the TPS63020 from Texas Instruments and the MAX17225 from Maxim Integrated.
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