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LTC3531ES6-3.3

Name: LTC3531ES6-3.3
Rating: 4.7 (12 reviews)

Switching Voltage Regulators LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters

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Mfr.부분 #LTC3531ES6-3.3
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데이터시트 LTC3531ES6-3.3 DataSheet
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개요

Description

The LTC3531ES6-3.3 is a high-efficiency, step-up (boost) DC-DC converter designed for powering low-voltage devices from a single-cell lithium-ion battery or similar power sources. It features a fixed output voltage of 3.3V, making it suitable for various applications, including portable electronics and IoT devices.
Key specifications include a wide input voltage range, typically from 0.7V to 5V, and an output current capability of up to 200mA. The device operates with a high efficiency of up to 95%, which helps extend battery life. It includes features such as low quiescent current, allowing it to maintain functionality in battery-powered applications.
The LTC3531ES6-3.3 also integrates soft-start and overcurrent protection, ensuring safe and reliable operation. Its compact SOT-23 package makes it easy to incorporate into space-constrained designs. Overall, it is an excellent choice for designers looking for a reliable boost converter for low-voltage applications.

Features

The LTC3531ES6-3.3 is a micro-power, step-up DC/DC converter designed for portable and battery-powered applications. Key features include:
1. Output Voltage: Fixed output voltage of 3.3V.
2. Input Voltage Range: Operates from a wide input voltage range of 1.8V to 5.5V.
3. Low Quiescent Current: Extremely low quiescent current (typically 1.5µA), enhancing battery life in low-power applications.
4. High Efficiency: Efficiency up to 95% to minimize power loss and heat generation.
5. Small Package: Available in a 6-lead SOT-23 package for compact designs.
6. Built-in Soft-Start: Reduces inrush current and prevents output voltage overshoot.
7. Current Limit: Integrated current limit for protection against overcurrent conditions.
8. Adjustable Output: Capability for adjustable output voltage with external resistors.
These features make the LTC3531ES6-3.3 suitable for powering sensors, RF modules, and other low-power devices in portable applications.

Package

The LTC3531ES6-3.3 comes in a 6-lead SOT-23 package. This compact surface-mount package is designed for low-power applications, providing efficient space utilization on PCBs.

Pinout

The LTC3531ES6-3.3 is a step-up DC/DC converter with a total of 6 pins. The pin configuration and functions are as follows:
1. VIN: Input voltage supply (2.7V to 5.5V).
2. GND: Ground reference.
3. SW: Switch node for the inductor connection.
4. VOUT: Output voltage (fixed at 3.3V).
5. COMP: Compensation pin for stability; can connect external components for tuning.
6. EN: Enable pin to turn the converter on or off.
This device is designed to provide a regulated output voltage from a lower input voltage, often used in battery-powered applications.

Manufacturer

The LTC3531ES6-3.3 is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company. Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its innovations in various applications, including communications, automotive, industrial, and consumer electronics. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is recognized for its commitment to quality and technological leadership, providing solutions that enhance performance in diverse electronic systems.

Application

The LTC3531ES6-3.3 is a highly efficient step-up DC-DC converter used in battery-powered applications. Its main application areas include portable devices, such as IoT sensors, wireless communication devices, and wearable technology. It is also suitable for powering small LCDs or driving LEDs, as well as in energy harvesting circuits, where it boosts low voltage from energy sources like solar cells or thermoelectric generators.

Equivalent

Equivalent products to the LTC3531ES6-3.3 include the TPS63060 from Texas Instruments, MICRF220 from Microchip, and MAX8604 from Maxim Integrated. These alternatives provide similar performance in voltage regulation and power management applications. Always verify specifications and features to ensure compatibility with your specific requirements.