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LT3790EFE#TRPBF
+BOMIC REG CTRLR BUCK-BOOST 38TSSOP
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제조업체 부품 #LT3790EFE#TRPBF
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사양
| 속성 | 가치 |
| Part Status | Active |
| Base Product Number | LT3790 |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.7V ~ 60V |
| Frequency - Switching | 200kHz ~ 700kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
개요
Description
Key features include integrated high-side and low-side power MOSFETs, reducing the need for external components and simplifying design. It offers a programmable switching frequency, allowing designers to optimize between efficiency and component size. The regulator includes features such as overcurrent protection, thermal shutdown, and soft-start to enhance reliability and performance in demanding environments. The LT3790 also supports spread spectrum modulation for reduced EMI.
Its compact form factor and robust feature set make it a versatile choice for engineers looking to implement efficient power solutions in a variety of high-voltage applications.
Equivalent
1. Texas Instruments LM5116: A buck controller suitable for high-power applications.
2. Maxim Integrated MAX15024: A high-voltage, high-efficiency step-down controller.
3. Infineon TLF50211: Designed for automotive applications, suitable for similar power levels.
4. ON Semiconductor NCP1034: A versatile controller for high-performance applications.
Ensure compatibility with your specific requirements before selection.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, suitable for various power sources.
2. Output Capability: Delivers output currents up to 4A with a maximum output voltage of 60V.
3. Efficiency: High efficiency up to 98% through synchronous rectification.
4. Operating Modes: Supports buck, boost, and buck-boost configurations, enhancing flexibility for different applications.
5. Switching Frequency: Adjustable from 200kHz to 700kHz, allowing trade-offs between efficiency and component size.
6. Current Mode Control: Offers excellent line and load transient response.
7. Protection Features: Includes overvoltage, overcurrent, and thermal shutdown protections.
8. Soft-Start: Programmable soft-start to reduce inrush current during start-up.
9. Package: Available in a thermally enhanced TSSOP-28 package for efficient heat dissipation.
These features make the LT3790EFE#TRPBF ideal for applications like automotive, industrial, and battery-powered systems requiring robust and efficient power conversion.
Pinout
The primary function of the LT3790 is to regulate the output voltage from a higher input voltage while controlling the current, making it suitable for LED drivers and battery charging applications. It supports a wide input voltage range and can deliver accurate output voltage and current regulation.
The LT3790 includes multiple features such as programmable switching frequency, adjustable output voltage, and over-current protection. It also provides thermal shutdown and undervoltage lockout for enhanced reliability. Its versatility and robust feature set make it ideal for demanding power management applications.