LT8653SEV#PBF

Name: LT8653SEV#PBF
Brand: Analog Devices
Rating: 4.5 (10 reviews)
Author: Lisleapex

Conv DC-DC 3V to 42V Synchronous Step Down Dual-Out 1.8V/3.3V/5V 2A/2A 20-Pin LQFN EP Tray

5,223 Effective Inventory

LT8653SEV#PBF

Effective Inventory5,223

Conv DC-DC 3V to 42V Synchronous Step Down Dual-Out 1.8V/3.3V/5V 2A/2A 20-Pin LQFN EP Tray

Manufacturer Part # : LT8653SEV#PBF
Package/Case: QFNE-20
Part Status : ACTIVE
Brand: Analog Devices
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : LT8653S
RoHS:

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LT8653SEV#PBF DataSheet

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LT8653SEV#PBF Details

The LT8653SEV#PBF is a high-efficiency synchronous step-down switching regulator from Analog Devices, designed for power supply applications requiring high performance and reliability. This regulator features a wide input voltage range, high efficiency, and low quiescent current, making it suitable for a variety of power management needs. It is housed in a compact and thermally enhanced package, providing excellent thermal performance.

Pinout

1 (VIN): Input Voltage
2 (SW): Switch Node
3 (GND): Ground
4 (FB): Feedback
5 (SYNC/MODE): Synchronization/MODE Selection
6 (PGOOD): Power Good Indicator
7 (VOUT): Output Voltage
8 (VCC): Internal Regulator Input

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Efficiency: Offers high efficiency to maximize power conversion.
Wide Input Voltage Range: Supports a wide input voltage range for versatile applications.
Low Quiescent Current: Operates with low quiescent current for energy-efficient performance.
Compact Package: Housed in a compact package for easy integration into designs.
Thermal Performance: Provides excellent thermal performance for reliable operation.

Application

Power Supply Systems: Ideal for power supply systems in various electronic devices.
Embedded Systems: Suitable for embedded systems requiring efficient power management.
Industrial Applications: Used in industrial applications for reliable power conversion.

Where to Use

The LT8653SEV#PBF is well-suited for applications that demand high-efficiency power conversion and reliable performance. It is commonly used in power supply systems, embedded electronics, and industrial applications where efficient power management is crucial.

How to Use

Integrate the LT8653SEV#PBF into your circuit by connecting the VIN, SW, GND, FB, SYNC/MODE, PGOOD, VOUT, and VCC pins as per the design requirements. Ensure proper thermal management and follow the recommended layout guidelines for optimal performance. For detailed usage instructions, consult the datasheet.

Application Circuit

The application circuit diagram for the LT8653SEV#PBF illustrates how to connect the regulator in a typical power supply configuration. It includes connections for input voltage, output voltage, feedback loop, and other essential components for proper functioning.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LT8653S: A variant of the LT8653 series offering similar performance characteristics.
LT8611: An alternative step-down switching regulator with comparable features.

Complementary

The LT8653SEV#PBF can be complemented by the LT3080, a precision adjustable linear regulator, to provide additional voltage regulation capabilities in a system. The combination of these regulators offers both efficient switching and precise linear regulation for various applications.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the LT8653SEV#PBF?

A: The LT8653SEV#PBF can handle input voltages up to a specified maximum value. Please refer to the datasheet for detailed input voltage limitations and operating conditions.

Q: Is the LT8653SEV#PBF suitable for automotive applications?

A: The LT8653SEV#PBF is primarily designed for industrial and general-purpose use. For automotive applications, consider environmental factors and specific automotive-grade components for reliable performance.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Switching Voltage Regulators	RoHS	Details
Output Voltage	3.3 V, 5 V	Output Current !	2 A
Input Voltage, Max	42 V	Number of Outputs	2 Output
Topology	Buck	Mounting Style	SMD/SMT
Switching Frequency !	300 kHz to 3 MHz	Quiescent Current !	6.2 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature !	+ 125 C
Series	LT8653	Input Voltage, Min	3 V
Brand	Analog Devices	Moisture Sensitive	Yes
Product Type !	Switching Voltage Regulators	Factory Pack Quantity	490
Subcategory	PMIC - Power Management ICs

FAQs

What is LT8653SEV#PBF?

The LT8653SEV#PBF is a high-efficiency synchronous step-down switching regulator designed by Analog Devices. It is part of the LT8653 series and is specifically intended for applications requiring high power efficiency and compact size, such as industrial equipment, automotive electronics, and telecommunications.

How Does LT8653SEV#PBF Work?

The LT8653SEV#PBF operates as a synchronous step-down DC-DC converter, converting higher voltage input sources to lower voltage outputs with high efficiency. It employs a switching topology to regulate output voltage while minimizing power dissipation and heat generation, making it suitable for power-sensitive applications.

How Many Pins does LT8653SEV#PBF have and What are the Functions of the Pinout Configuration?

The LT8653SEV#PBF is housed in a 28-lead exposed pad TSSOP package. The pinout configuration includes:

VIN: Input voltage supply.
SW: Switching node connection for the inductor.
GND: Ground connection.
PGOOD: Power good indicator output.
FB: Feedback pin for voltage regulation.
SS: Soft-start pin for controlling start-up time.
SYNC: Synchronization pin for external clock input.
EN: Enable pin for turning the regulator on/off.
COMP: Compensation pin for loop stability.
BOOT: Bootstrap capacitor connection for high-side FET driver.
LX: Low-side MOSFET driver.

What are the Pros and Cons of LT8653SEV#PBF?

Pros:

High Efficiency: Offers high efficiency conversion for reduced power loss.
Wide Input Voltage Range: Supports a wide input voltage range, enhancing versatility.
Compact Size: Suitable for space-constrained applications.
Programmable Soft-Start and Power Good Indicator: Features for enhanced control and monitoring.
Synchronous Rectification: Minimizes conduction losses.

Cons:

Complexity: Requires careful PCB layout and design considerations.
External Components: May require additional external components for optimal performance in specific applications.
Heat Dissipation: Efficient heat sinking may be necessary depending on operating conditions.

Are There Any Equivalents/Alternatives to LT8653SEV#PBF for Recommendation?

The LT8614 from Analog Devices is a similar synchronous step-down regulator with a lower current capability but similar features.
Alternatives include the TPS62160 from Texas Instruments and the MAX17503 from Maxim Integrated, which offer comparable performance in similar applications.