LT8653SEV#PBF

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LT8653SEV#PBF

IC REG BUCK 3.3V/5V DL 20LQFN

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Specifications

Series Silent Switcher®2
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Fixed
Number of Outputs 2
Voltage - Input (Min) 3V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 3.3V, 5V
Current - Output 2A, 2A
Frequency - Switching 300kHz ~ 3MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount, Wettable Flank
Package / Case 20-TFQFN Exposed Pad
Supplier Device Package 20-LQFN (4x3)
Base Product Number LT8653

Overview

Description

The LT8653SEV#PBF is a high-performance, low-noise, and highly efficient voltage regulator from Analog Devices, specifically designed for demanding applications. It features a wide input voltage range (3.0V to 15V) and provides a fixed output voltage of 3.3V or adjustable options. This device is capable of delivering up to 3A of load current while maintaining high efficiency, which minimizes heat generation.
Key features include an integrated power switch, low quiescent current, and fast transient response, making it suitable for battery-powered applications and systems requiring stable voltage regulation under varying load conditions.
The LT8653SEV#PBF also supports features like thermal shutdown and current limit protection, ensuring reliability and safety in operation. It is available in a compact package, making it ideal for use in space-constrained designs. Overall, this voltage regulator is an excellent choice for powering microcontrollers, sensors, and other sensitive electronic components.

Features

The LT8653SEV#PBF is a high-performance, low-dropout (LDO) voltage regulator designed for a wide range of applications. Key features include:
1. Input Voltage Range: Operates from 3V to 20V, suitable for various power supply scenarios.
2. Output Current: Delivers up to 3A of output current, making it ideal for powering high-performance components.
3. Low Dropout Voltage: Achieves low dropout (only 200mV at 3A), which translates to improved efficiency, especially in battery-powered applications.
4. Wide Output Voltage Range: Configurable output voltage from 1.2V to 15V, allowing for flexibility in design.
5. Fast Transient Response: Excellent transient response performance, ensuring stable output during load changes.
6. Built-in Protection: Features thermal shutdown and current limiting for enhanced reliability and safety.
7. Low Noise: Low output noise makes it suitable for sensitive analog and RF applications.
This combination of features makes the LT8653SEV#PBF a versatile choice for demanding power management needs.

Package

The LT8653SEV#PBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format. This surface-mount package type is designed for efficient thermal performance and space-saving applications.

Pinout

The LT8653SEV#PBF is a high-efficiency, low-noise, step-down (buck) regulator with a pin count of 12.
### Pin Functions:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switch node for the internal power transistor.
4. VOUT: Output voltage.
5. FB: Feedback voltage for regulation.
6. COMP: Compensation node for stability.
7. Rset: Setting resistor for output voltage.
8. SS: Soft-start control for gradual output voltage rise.
9. EN: Enable pin to turn the regulator on/off.
10. PG: Power good output to indicate the status of the output voltage.
11. TSD: Thermal shutdown pin (optional).
12. VOUTSENSE: Output voltage sensing (optional).
This device is designed for applications requiring high efficiency and low noise, making it suitable for powering sensitive analog or RF components.

Manufacturer

The LT8653SEV#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves various industries, including automotive, communications, healthcare, and industrial automation. The company is known for its innovative solutions that enable high-speed data conversion and signal processing, catering to the needs of engineers and developers in creating advanced electronic applications.

Application

The LT8653SEV#PBF is a high-efficiency, low-noise step-down regulator used in various applications, including battery-powered devices, automotive systems, industrial equipment, and consumer electronics. Its features make it suitable for powering microcontrollers, sensors, and RF devices, offering high output current capabilities and low quiescent current for improved battery life.

Equivalent

The LT8653SEV#PBF is a low quiescent current, high-performance step-down regulator. Equivalent products include the TPS7A47 from Texas Instruments, the MIC3015 from Microchip, and the LM2675 from Texas Instruments. Be sure to check specifications such as input/output voltage, current ratings, and efficiency to ensure compatibility for your specific application.

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

Payment Methods

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2. Credit/ Debit Card

3. Wire Transfer

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