LTC7103EUHE#TRPBF

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LTC7103EUHE#TRPBF

IC REG BUCK ADJ 2.3A 36QFN

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.4V
Voltage-Input(Max) 105V
Voltage-Output(Min/Fixed) 1V
Voltage-Output(Max) 105V
Current-Output 2.3A
Frequency-Switching 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 36-WFQFN, 26 Leads, Exposed Pad

Overview

Description

The LTC7103EUHE#TRPBF is a high-efficiency step-down DC/DC switching regulator from Analog Devices. It is designed to deliver a maximum output current of up to 2.3A from input voltages ranging from 4.4V to 105V. The device features a low quiescent current, making it suitable for battery-powered and energy-efficient applications. It utilizes a constant-frequency, peak current mode control architecture to provide fast transient response and ease of loop compensation. Additionally, the LTC7103 includes features like programmable output voltage, adjustable switching frequency, soft-start, and current limit protection. It is packaged in a thermally enhanced 5mm x 6mm QFN package, which helps with heat dissipation and compact design integration. The part number suffix "TRPBF" indicates that it is delivered in tape and reel packaging for automated assembly processes and is RoHS compliant (lead-free). This regulator is commonly used in industrial, automotive, and telecom applications due to its wide input voltage range and robustness.

Features

The LTC7103EUHE#TRPBF is a high-efficiency, monolithic synchronous buck regulator designed by Analog Devices. It features a wide input voltage range from 4.4V to 105V, making it suitable for various applications, including industrial, automotive, and telecom systems. This regulator can deliver up to 2.3A of continuous output current.
Key features of the LTC7103 include:
1. High Efficiency: Optimized for high efficiency over a wide load range.
2. Adjustable Frequency: Switches at a selectable frequency of 200kHz to 2.25MHz.
3. Current Mode Control: Offers fast transient response and loop stability.
4. Precision Voltage Regulation: Provides accurate output voltage with external resistor divider.
5. Low Quiescent Current: Enhances efficiency at light loads, suitable for battery-operated systems.
6. Protection Features: Includes over-current, over-voltage, and thermal protection.
7. Soft-Start Capability: Programmable soft-start to limit inrush current during startup.
8. Compact Size: Available in a 5mm x 6mm QFN package for space-constrained applications.
These features make the LTC7103EUHE#TRPBF a versatile choice for efficiently powering a broad range of electronic systems.

Package

The LTC7103EUHE#TRPBF is a DC/DC step-down regulator in a thermally enhanced 32-lead 5mm x 5mm QFN (Quad Flat No-Lead) package. The "#TRPBF" suffix indicates it is tape and reel packaging for automated assembly and is lead-free (RoHS compliant).

Pinout

The LTC7103EUHE#TRPBF is a high-efficiency, monolithic synchronous step-down DC/DC converter. It features a 42V input voltage capability and is capable of delivering up to 2.3A of output current. This device is designed to be used in a wide range of applications, including industrial, automotive, and telecom systems.
The LTC7103 is housed in a 20-lead (5mm x 6mm) QFN package. The pin count is 20. The functions of these pins include input voltage, output voltage, ground, switching nodes, compensation, feedback, and various control and status pins such as RUN, PGOOD (power good), and SYNC/MODE for synchronization.
The device offers several features such as programmable frequency, external clock synchronization, and a power good output. It also includes functions for current limit, soft-start, and thermal shutdown to ensure reliable operation under various conditions. The pin configuration facilitates efficient power conversion and supports a compact design suitable for space-constrained applications.

Manufacturer

The manufacturer of the LTC7103EUHE#TRPBF is 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 (DSP) integrated circuits used in electronic equipment. The company's products serve a wide range of industries, including telecommunications, automotive, healthcare, consumer electronics, and industrial applications.

Application

The LTC7103EUHE#TRPBF is a step-down DC/DC converter with a 105V input capability. It is commonly used in application areas that require high efficiency and reliability, such as industrial and automotive systems, telecommunications, and distributed power architectures. This converter is suitable for powering various electronic components, including microcontrollers, FPGAs, and sensors. Its wide input voltage range and robust design make it ideal for use in environments with high voltage transients and for applications requiring stable power delivery over a broad range of conditions.

Equivalent

The LTC7103EUHE#TRPBF is a step-down DC/DC converter IC from Analog Devices. Equivalent products include the Texas Instruments TPS543C20A, the Maxim Integrated MAX20751, and the Infineon IR3847. These alternatives offer similar functionality, such as high-efficiency voltage regulation and compact size, but may differ in specific features, input/output range, or packaging. Always check datasheets for compatibility with your specific application requirements.

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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