LT3759EMSE#PBF

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LT3759EMSE#PBF

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IC REG CTRLR MULT TOP 12MSOP

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thuộc tính Giá trị
Package Tube
ProductStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive or Negative, Isolation Capable
Topology Boost, Flyback, SEPIC
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 1.6V ~ 42V
Frequency-Switching 100kHz ~ 1MHz
SynchronousRectifier No
ClockSync Yes
ControlFeatures Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 12-TSSOP (0.118, 3.00mm Width) Exposed Pad

Tổng quan

Description

The LT3759EMSE#PBF is a high-voltage, high-performance DC/DC converter manufactured by Analog Devices, Inc. It is designed for applications that require an efficient boost, flyback, SEPIC, or inverting power supply. The device operates from an input voltage range of 4.5V to 60V and can produce an output voltage as high as 100V, making it versatile for use in various electronic systems.
Key features of the LT3759EMSE#PBF include a programmable switching frequency between 100kHz and 1MHz, which allows designers to optimize between size, efficiency, and performance. The chip also includes a 100V power switch, a high-side current sense amplifier, and a feedback loop that maintains stability and precision in output voltage regulation.
The LT3759EMSE#PBF supports both PWM and PFM modes for improved efficiency under different load conditions. Its thermal shutdown feature, along with overcurrent and overvoltage protection, ensures reliability and safety in demanding environments. This makes it an ideal choice for industrial, automotive, and telecom applications where robust power management is crucial.

Equivalent

The LT3759EMSE#PBF is a high voltage, high performance DC/DC converter from Analog Devices. Equivalent products can include:
1. Texas Instruments: LM3488 - A versatile wide-input boost controller.
2. ON Semiconductor: NCP3065 - A high voltage step-up/down/inverting switching regulator.
3. Microchip Technology: MCP1663 - A versatile high-voltage boost regulator.
4. STMicroelectronics: L6920D - A high efficiency step-up converter.
These alternatives may vary in specifications, so ensure compatibility with your application requirements.

Features

The LT3759EMSE#PBF is a versatile DC/DC controller from Analog Devices, designed for high-efficiency power conversion applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power sources.

2. High Output Voltage Capability: Can generate output voltages up to 100V, allowing for use in applications requiring high voltage conversion.
3. Flexible Topology Support: Supports boost, SEPIC, flyback, and inverting configurations, providing design flexibility.
4. Adjustable Switching Frequency: Frequency can be set between 100kHz and 1MHz, optimizing efficiency and performance.
5. Integrated N-Channel MOSFET Driver: Enhances efficiency by driving external MOSFETs directly.
6. Low Shutdown Current: Consumes minimal power in shutdown mode, ideal for battery-powered applications.
7. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protection for reliable operation.
8. Programmable Soft-Start: Allows controlled startup procedures, preventing inrush current.
These features make the LT3759EMSE#PBF suitable for a wide range of power supply and conversion applications, especially where high efficiency and flexibility are crucial.

Pinout

The LT3759EMSE#PBF is a high voltage, high performance DC/DC converter. It is designed to operate as a boost, SEPIC, or inverting converter with an input range from 4.5V to 60V. The device comes in a 16-lead MSOP package.
Pin Count:
- The LT3759EMSE#PBF has 16 pins.
Key Functions:
- VIN: Input supply voltage.
- VC: Compensation pin for the error amplifier.
- GND: Ground pin.
- SW: Switch node; connected to the inductor.
- FBX: Feedback pin for output voltage regulation.
- SHDN/UVLO: Shutdown and undervoltage lockout pin.
- INTVCC: Internal regulator output for powering the internal circuitry.
- SYNC: Synchronization input for external clock.
- RT: Sets the switching frequency.
- SS: Soft-start control pin.
- ISP, ISN: Current sense positive and negative inputs.
The LT3759 is versatile and can be used in applications requiring robust power conversion with high efficiency. Its wide input and output voltage ranges make it suitable for a variety of industrial and automotive applications.

Manufacturer

The LT3759EMSE#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design, manufacturing, and marketing of a broad portfolio of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in a wide array of applications, including industrial, automotive, communication, healthcare, and consumer electronics. The company is known for its innovation and high-performance solutions that enable its customers to solve complex challenges in sensing, measuring, powering, and connecting.

Application

The LT3759EMSE#PBF is a versatile DC/DC converter integrated circuit designed for high-voltage power supply applications. Its application areas include LED lighting systems, where it provides efficient and stable power to drive LED arrays. It is also used in industrial power supplies and battery chargers due to its ability to operate over a wide input voltage range. Additionally, the LT3759EMSE#PBF is suitable for automotive applications, offering robust performance in harsh environments. Its capability to function as a boost, SEPIC, or flyback converter makes it ideal for various systems requiring high voltage and power efficiency.

Package

The LT3759EMSE#PBF is housed in an MSOP (Mini Small Outline Package) with 12 leads. This package type is known for its compact size, making it suitable for space-constrained applications.

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