LTC3533EDE#TRPBF

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LTC3533EDE#TRPBF

IC REG BUCK BOOST ADJ 2A 14DFN

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規格

Part Status Active
Function Step-Up, Step-Down
Output Configuration Positive
Topology Buck, Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 1.8V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) 5.25V
Current - Output 2A
Frequency - Switching 300kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 14-WFDFN Exposed Pad
Supplier Device Package 14-DFN (4x3)
Base Product Number LTC3533

概述

Description

The LTC3533EDE#TRPBF is a high-efficiency step-up (boost) DC-DC converter designed by Analog Devices (formerly Linear Technology). It is optimized for powering devices from low-voltage sources, such as single-cell lithium-ion batteries or other low-voltage power sources, making it suitable for portable applications.
Key features include a wide input voltage range, typically from 0.5V to 5V, and the ability to deliver output voltages up to 5V. The device operates with high efficiency, often exceeding 90%, which helps extend battery life in applications like handheld devices, IoT sensors, and wireless equipment.
The LTC3533 integrates a low quiescent current to minimize power loss during standby, and it includes features like soft-start, over-voltage protection, and thermal shutdown for enhanced reliability. The package type is a 10-lead MSOP with exposed pad for improved thermal performance.
Overall, the LTC3533EDE#TRPBF is a versatile solution for designers needing efficient power management in compact space-constrained environments.

Features

The LTC3533EDE#TRPBF is a highly efficient step-up DC-DC converter designed for battery-powered applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for single-cell lithium-ion batteries.
2. Output Voltage: Adjustable output voltage up to 5V, making it versatile for various applications.
3. High Efficiency: Up to 95% efficiency at full load, which helps in prolonging battery life.
4. Small Size: Available in a compact 3mm x 3mm QFN package, ideal for space-constrained designs.
5. Low Quiescent Current: Minimizes power consumption in standby mode, further extending battery life.
6. Integrated Switches: Internal switches reduce external component count and simplify design.
7. Soft-Start Feature: Minimizes inrush current during startup, protecting the system.
8. Short-Circuit Protection: Ensures reliability and safety in operation.
These features make the LTC3533EDE#TRPBF suitable for applications in portable devices, wireless sensors, and other battery-operated systems.

Package

The LTC3533EDE#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The LTC3533EDE#TRPBF is a step-up DC/DC converter from Analog Devices, specifically designed for low-power applications. It features a 10-pin (DFN) package.
Pin Functions:
1. VIN: Input voltage supply.
2. SW: Switch node connection.
3. GND: Ground.
4. VOUT: Output voltage.
5. CSN: Current sense negative input.
6. CSP: Current sense positive input.
7. FB: Feedback voltage for output regulation.
8. VC: Control voltage input for PWM regulation.
9. Rset: Resistor connection for setting frequency.
10. LX: Inductor connection for switching.
The LTC3533 is commonly used in battery-powered devices, enabling efficient energy conversion and management.

Manufacturer

The LTC3533EDE#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits (ICs). The company is known for its high-performance semiconductor solutions used in a wide range of applications, including industrial automation, automotive, telecommunications, consumer electronics, and medical devices. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices focuses on delivering innovative technologies that enable the conversion of real-world phenomena into digital signals and vice versa. Their products are essential for various applications that require precision and accuracy in signal processing and power management.

Application

The LTC3533EDE#TRPBF is a highly efficient step-up DC-DC converter designed for portable applications. Common application areas include battery-powered devices, energy harvesting systems, and powering low-voltage microcontrollers. It is suitable for use in consumer electronics, wearable devices, and IoT applications, where boosting voltage from a single-cell battery is required. Its compact design and efficiency make it ideal for space-constrained environments.

Equivalent

The LTC3533EDE#TRPBF is a high-efficiency step-up DC-DC converter. Equivalent products include:
1. TPS61032 (Texas Instruments)
2. MICROCHIP MCP1643
3. LT1302 (Linear Technology)
4. LM2577 (Texas Instruments)
5. MAX756 (Maxim Integrated)
Always verify specifications and compatibility with your application requirements.

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