LTC3780EG#TRPBF

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LTC3780EG#TRPBF

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IC REG CTRLR BUCK-BOOST 24SSOP

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4V ~ 30V
Frequency-Switching 200kHz ~ 400kHz
DutyCycle(Max) 99%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Current Limit, Enable, Power Good, Soft Start
OperatingTemperature -40°C ~ 85°C (TJ)
MountingType Surface Mount
Package/Case 24-SSOP (0.209, 5.30mm Width)

Übersicht

Description

The LTC3780EG#TRPBF is a high-performance DC/DC converter integrated circuit designed by Analog Devices. It operates as a synchronous buck-boost regulator, capable of efficiently converting input voltages to a desired output level, regardless of whether the input is above, below, or equal to the output voltage. This makes it particularly useful for applications where the input voltage can vary widely, such as in battery-powered devices.
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

The LTC3780EG#TRPBF is a high-performance buck-boost DC/DC converter. Equivalent products include:
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

The LTC3780EG#TRPBF is a high-efficiency buck-boost switching regulator controller. Key features include:
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

The LTC3780EG#TRPBF is a high-performance buck-boost DC/DC converter IC from Analog Devices. It typically comes in a 20-lead plastic TSSOP package with an exposed pad. The pin count for this package is 20. The LTC3780 is designed to regulate output voltages in applications where the input voltage can be above, below, or equal to the output voltage. It can achieve a high degree of efficiency and can be used in a wide range of power supply designs. Key functions include seamless transitions between buck and boost modes, high efficiency over a wide power range, and adjustable output voltage. It is well-suited for battery-powered applications, automotive systems, and complex power distribution systems.

Manufacturer

The LTC3780EG#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. The company serves a wide range of industries including automotive, communications, consumer electronics, healthcare, and industrial sectors. Its products are widely used in applications that require high performance and reliability, such as data conversion, power management, and signal processing solutions.

Application

The LTC3780EG#TRPBF is a high-performance buck-boost DC/DC converter controller. Its application areas include:
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.

Package

The LTC3780EG#TRPBF is a DC/DC controller IC manufactured by Analog Devices. It comes in a thermally enhanced 28-lead TSSOP (Thin Shrink Small Outline Package). The "TRPBF" suffix indicates that it is tape and reel packaging, lead-free, and RoHS compliant.

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