LT8650SIV#PBF

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LT8650SIV#PBF

IC REG BUCK ADJ 4A DL 32LQFN

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Specifications

Series Silent Switcher®2
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 2
Voltage - Input (Min) 2.6V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 42V
Current - Output 4A
Frequency - Switching 300kHz ~ 3MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 32-TFQFN Exposed Pad, 28 Leads
Supplier Device Package 32-LQFN (6x4)
Base Product Number LT8650

Overview

Description

The LT8650SIV#PBF is a high-performance, low-noise, synchronous step-down regulator designed by Analog Devices. It features an input voltage range of 3.0V to 15V and can deliver up to 3A of output current. The device employs a unique architecture that allows for very low output voltage ripple and high efficiency, making it suitable for battery-powered applications.
Key features include high switching frequency, adjustable output voltage (down to 0.8V), and internal compensation, which simplifies design. The LT8650SIV#PBF also includes features like soft-start, overcurrent protection, and thermal shutdown for enhanced reliability. Its compact package size (typically in a 16-lead surface mount) makes it ideal for space-constrained applications.
Applications include point-of-load conversion in communications, industrial systems, and portable devices. The chip is specified for operation over a temperature range of -40°C to 125°C, ensuring robust performance in various environments. Overall, the LT8650SIV#PBF is an excellent choice for efficient and reliable power management solutions.

Features

The LT8650SIV#PBF is a high-efficiency, low quiescent current synchronous step-down regulator designed by Analog Devices. Key features include:
1. Input Voltage Range: Supports 3.4V to 15V input voltage.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V.
3. High Efficiency: Up to 95% efficiency under light load conditions.
4. Output Current: Capable of delivering up to 3A of continuous output current.
5. Low Quiescent Current: Exceptional low quiescent current, making it suitable for battery-powered applications.
6. Fast Transient Response: Designed for fast load transients with minimal output voltage deviation.
7. Thermal Protection: Integrated thermal shutdown feature for enhanced reliability.
8. Package: Available in a compact 4mm x 4mm LQFN package.
9. Soft-Start: Programmable soft-start feature to reduce inrush current.
These attributes make the LT8650SIV#PBF ideal for a variety of applications, including automotive, industrial, and portable devices.

Package

The LT8650SIV#PBF is packaged in a 16-lead Thermally Enhanced TSSOP (Thin Shrink Small Outline Package) with a size of 4.4mm x 5mm. This package type is designed for efficient thermal management and compact layouts in electronic applications.

Pinout

The LT8650SIV#PBF is a low dropout (LDO) voltage regulator from Analog Devices. It features a 16-pin package. The key functions include:
1. Input Voltage Range: Supports a wide input voltage range, typically up to 45V.
2. Output Voltage: Adjustable output voltage with a maximum current output of 3A.
3. Low Dropout: Provides low dropout performance, enhancing efficiency.
4. Power Good Indicator: Includes a power good output to signal when the output voltage is within the specified range.
5. Thermal Protection: Features thermal shutdown to protect against overheating.
6. Short-Circuit Protection: Provides inherent short-circuit protection.
The specific pin assignments cover input, output, ground, feedback, enable, and additional configurations for performance optimization. For detailed pin functionality, refer to the product datasheet.

Manufacturer

The manufacturer of the LT8650SIV#PBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965, it is known for producing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including telecommunications, automotive, consumer electronics, and industrial automation, providing solutions that enhance signal integrity and efficiency in electronic systems.

Application

The LT8650SIV#PBF is a high-performance, low-noise, synchronous step-down regulator. Its application areas include powering portable devices, automotive electronics, industrial control systems, and telecommunications equipment. It is particularly useful in battery-operated devices and applications requiring efficient power conversion with low quiescent current, such as IoT devices and point-of-load (POL) converters in complex electronic systems.

Equivalent

The LT8650SIV#PBF is a low dropout (LDO) voltage regulator. Equivalent products include the Texas Instruments TPS7A47, Analog Devices ADP7142, and the Microchip MCP1825S. Always verify specifications such as output current, voltage range, and dropout voltage for compatibility.

Shipping

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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.

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