LT3748EMS#TRPBF

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LT3748EMS#TRPBF

IC REG CTRLR FLYBACK 16MSOP

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Flyback
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 5V ~ 100V
SynchronousRectifier No
ClockSync No
ControlFeatures Enable, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-TFSOP (0.118, 3.00mm Width), 12 Leads

Overview

Description

The LT3748EMS#TRPBF is a versatile integrated circuit produced by Analog Devices. It is primarily designed as a high-performance isolated flyback controller without the need for an opto-isolator. This component is used in applications requiring isolated power supplies, such as telecommunications, industrial control systems, and medical devices.
The LT3748 operates from a wide input voltage range of 5V to 100V, making it suitable for various applications. It uses a boundary mode switching technique to provide a high level of efficiency and maintain constant frequency operation. The device supports both isolated and non-isolated configurations, and its design helps to minimize the number of external components required, reducing overall system cost and complexity.
Key features include programmable switching frequency, internal soft-start, and programmable undervoltage lockout (UVLO). The LT3748 can deliver up to several watts of output power, depending on the design and specific requirements of the application. Its compact footprint and high level of integration make it an appealing choice for designers looking to develop efficient and cost-effective power supply solutions.

Features

The LT3748EMS#TRPBF is a highly efficient, flyback DC/DC converter designed by Analog Devices. Key features include:
1. Wide Input Voltage Range: It supports a 5V to 100V input voltage range, making it versatile for various applications.
2. Output Power Capability: Delivers up to 100W output power, suitable for high-power applications.
3. No Opto-Isolator Requirement: Utilizes boundary mode and a low-side switch, eliminating the need for an opto-isolator or third winding for regulation.
4. Integrated Power Switch: Comes with an integrated 100V, 5A power switch to simplify design and reduce component count.
5. Adjustable Switching Frequency: Offers a programmable switching frequency up to 1MHz, enabling optimization for efficiency or size.
6. Current-Mode Control: Ensures excellent line and load regulation.
7. Soft-Start and Programmable Undervoltage Lockout (UVLO): Features to prevent inrush current and allow for controlled startup.
8. Thermal Shutdown Protection: Includes thermal shutdown to protect the device from overheating.
9. Compact Package: Available in a thermally enhanced 16-lead MSOP package.
These features make the LT3748EMS#TRPBF ideal for isolated power supplies in industrial, automotive, and telecom applications.

Package

The package type for the LT3748EMS#TRPBF is MSOP-10, which stands for Mini Small Outline Package with 10 pins. It is used in surface-mount technology for electronic components.

Pinout

The LT3748EMS#TRPBF is a high voltage, isolated flyback controller from Analog Devices. It is designed for use in applications requiring isolated power supply solutions. The device is housed in a 16-pin MSOP (Mini Small Outline Package) with an exposed pad for better thermal performance.
Key functions of the LT3748 include:
1. Primary Side Regulation (PSR): It eliminates the need for an opto-isolator or third winding for output voltage regulation.
2. Wide Input Voltage Range: Supports input voltages from 5V to 100V.
3. High Efficiency: Optimized for efficient power conversion.
4. Current Mode Control: Provides good line and load regulation with fast transient response.
5. Programmable Switching Frequency: Adjustable frequency to optimize performance for various applications.
6. Soft Start and Frequency Foldback: These features help reduce inrush current and increase reliability.
7. Integrated Protection Features: Includes over-current, over-voltage, and thermal shutdown protection.
These features make the LT3748 suitable for a wide range of applications, including industrial, medical, and telecom power supplies.

Manufacturer

The LT3748EMS#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These components are used in a wide range of electronic equipment, providing solutions for industries such as automotive, communications, healthcare, consumer electronics, and industrial applications. The company is known for its innovation in high-performance analog technologies and has a significant presence in the semiconductor market.

Application

The LT3748EMS#TRPBF is a high-voltage isolated flyback converter designed for applications requiring power conversion from a wide input voltage range to an isolated output. Key application areas include industrial control systems, telecommunications equipment, automotive electronics, medical devices, and power supplies for isolated sensor interfaces. Its capabilities are ideal for situations requiring high efficiency and precise voltage regulation across varying loads and conditions.

Equivalent

The LT3748EMS#TRPBF is a high-voltage, isolated flyback converter by Analog Devices. Equivalent products include:
1. Texas Instruments LM5180 - A high-voltage flyback/boost controller.
2. Maxim Integrated MAX17595 - An isolated flyback controller with integrated MOSFET.
3. ON Semiconductor NCP1568 - A PWM current-mode controller for isolated DC-DC converters.
4. STMicroelectronics VIPer35 - An offline high-voltage converter.
Ensure compatibility in terms of specifications and application requirements before substituting.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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