L6920DTR

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IC REG BST ADJ/FIX 800MA 8TSSOP

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up
OutputConfiguration Positive
Topology Boost
OutputType Adjustable (Fixed)
NumberofOutputs 1
Voltage-Input(Min) 0.6V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 1.8V (3.3V, 5V)
Voltage-Output(Max) 5.5V
Current-Output 800mA (Switch)
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

Visão Geral

Description

The L6920DTR is a low-dropout (LDO) linear voltage regulator designed for use in portable and battery-powered applications. It provides a stable output voltage with minimal input-output voltage difference, which improves efficiency and conserves battery life. The L6920DTR supports output currents up to 200mA and features low quiescent current, making it suitable for low-power devices.
Key features of the L6920DTR include its high accuracy output voltage, low noise performance, and the ability to work with a wide input voltage range. It also offers built-in protection features like overcurrent and thermal shutdown, ensuring device safety under various operating conditions.
The small package size of the L6920DTR makes it ideal for compact designs, and its ease of use simplifies the power management design in complex systems. Overall, the L6920DTR is valued for its efficiency, reliability, and suitability for a variety of applications, including consumer electronics, telecommunications, and industrial control systems.

Equivalent

The STMicroelectronics L6920DTR is a step-down DC-DC converter. Equivalent products include the Texas Instruments TPS62120, the Microchip MCP16301, and the Analog Devices ADP5301. These alternatives offer similar functionalities such as low voltage step-down conversion, high efficiency, and compact packaging. However, always verify specifications like output current, voltage range, and switching frequency to ensure compatibility with your specific application requirements.

Features

The L6920DTR is a high-efficiency step-down DC-DC converter designed for portable and battery-powered applications. Key features include:
1. Input Voltage Range: Operates from 2 V to 5.5 V, making it suitable for single-cell lithium-ion batteries or multiple alkaline/NiMH cells.
2. Output Voltage: Adjustable output voltage ranging from 0.6 V to the input voltage.
3. Efficiency: Delivers high efficiency up to 95%, optimizing battery life.
4. Output Current: Supports up to 600 mA output current.
5. Switching Frequency: Features a 1.4 MHz fixed frequency, allowing for the use of smaller external components and a compact design.
6. Low Quiescent Current: Consumes minimal power during no-load conditions to extend battery life.
7. Protection Features: Includes over-temperature and over-current protection to enhance reliability.
8. Soft-Start: Integrates a soft-start function to limit inrush current during startup.
9. Package: Available in a compact, space-saving DFN package.
These features make the L6920DTR ideal for small, efficient power supply applications in portable electronics.

Pinout

The L6920DTR is a low-dropout (LDO) voltage regulator designed by STMicroelectronics. It typically comes in a small package, such as the SOT-23-5, which has 5 pins. Here’s a brief description of its pin functions:
1. VOUT (Pin 1): Output pin where the regulated voltage is available.
2. GND (Pin 2): Ground pin, which is the reference point for input and output voltages.
3. EN (Pin 3): Enable pin, used to turn the regulator on or off. A high level enables the device, while a low level disables it.
4. VIN (Pin 4): Input pin where the unregulated voltage is supplied.
5. NC or FB (Pin 5): This can be a no-connect (NC) pin or a feedback (FB) pin, depending on the specific variant, used for adjusting the output voltage in adjustable versions.
The L6920DTR is used in various applications to provide a stable output voltage from a higher input voltage, ensuring efficient power management in small devices.

Manufacturer

The L6920DTR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in the design, development, manufacturing, and marketing of a wide range of semiconductor products, including integrated circuits and discrete devices. The company serves various industries, including automotive, industrial, personal electronics, communications equipment, and computer peripherals. STMicroelectronics is known for producing components that are essential for enabling smart driving, IoT technologies, power management, and digitalization across diverse applications.

Application

The L6920DTR is a step-down DC-DC converter commonly used in battery-powered devices due to its high efficiency and low quiescent current. Its application areas include:
1. Portable Electronics: Ideal for smartphones, tablets, and wearable devices.
2. Battery-Powered Equipment: Used in devices like digital cameras and personal multimedia players.
3. Consumer Electronics: Suitable for products that require efficient power management.
4. Industrial Applications: Used in sensors and low-power industrial equipment.
5. Automotive Electronics: Employed in systems requiring power regulation from higher voltage sources.

These applications leverage the L6920DTR for efficient power conversion and extended battery life.

Package

The L6920DTR is a DC-DC step-down converter from STMicroelectronics. Its package type is the Thin Shrink Small Outline Package (TSSOP), which is designed for surface-mounted applications.

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