LDK320AM33R

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LDK320AM33R

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IC REG LINEAR 3.3V 200MA SOT23-5

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.35V @ 200mA
Current-Output 200mA
Current-Quiescent(Iq) 90 µA
Current-Supply(Max) 100 µA
PSRR 88dB ~ 48dB (120Hz ~ 10kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Übersicht

Description

The LDK320AM33R is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage with minimal input-output voltage differential. It is ideal for applications requiring efficient power management in compact electronic devices. The component is engineered to deliver a fixed output voltage of 3.3V, making it suitable for powering microcontrollers, sensors, and other digital circuits.
Key features include low quiescent current, which enhances battery life in portable applications, and high ripple rejection, ensuring stable operation even with fluctuating input voltages. The LDK320AM33R typically supports a maximum output current of around 200 mA, making it suitable for moderate power applications.
Protection features often include short-circuit protection and thermal shutdown, safeguarding the device and connected components from damage under fault conditions. Its small footprint and minimal external component requirement make it a versatile choice for space-constrained designs. The LDK320AM33R is commonly found in consumer electronics, automotive systems, and industrial applications where reliable voltage regulation is critical.

Equivalent

The LDK320AM33R is a low-dropout (LDO) voltage regulator. Equivalent products might include:
1. Microchip MCP1700T-3302E/TT - A similar low-dropout regulator with comparable voltage and current ratings.
2. Texas Instruments LP2985AIM5-3.3 - Another LDO offering similar performance characteristics.
3. ON Semiconductor NCP1117DT33G - Provides equivalent voltage regulation.
4. Analog Devices ADP3333 - Features similar output and dropout voltage.
Ensure voltage, current, and package compatibility before substituting.

Features

The LDK320AM33R is a low-dropout (LDO) linear voltage regulator designed for efficient power management in electronic devices. Key features include:
1. Output Voltage: It delivers a fixed output voltage, typically around 3.3V.
2. Low Dropout Voltage: Provides efficient operation with minimal voltage difference between input and output, enhancing performance in battery-powered devices.
3. Output Current: Capable of delivering up to 200 mA of output current.
4. Low Quiescent Current: Consumes minimal current in standby mode, prolonging battery life.
5. High PSRR: Offers excellent power supply rejection ratio, ensuring stable operation even with fluctuating input voltages.
6. Protection Features: Includes overcurrent and overtemperature protection, safeguarding the device against potential damage.
7. Compact Package: Available in space-saving packages, making it ideal for portable and compact electronic applications.
8. Thermal Stability: Designed to maintain performance across a wide temperature range.
These features make the LDK320AM33R suitable for a variety of applications, including mobile devices, microcontrollers, and other low-power electronics.

Pinout

The LDK320AM33R is a low-dropout (LDO) linear voltage regulator. It typically comes in a SOT-89 package, which consists of 3 pins. Here’s a brief overview of the pin functions:
1. Pin 1 (VIN): This is the input pin where the unregulated input voltage is supplied. It should be connected to a voltage source that is higher than the desired output voltage, but within the specified input voltage range.
2. Pin 2 (GND): This is the ground pin and is connected to the ground of the circuit. It serves as a reference point for the input and output voltages.
3. Pin 3 (VOUT): This pin provides the regulated output voltage. For the LDK320AM33R, the output voltage is fixed at 3.3 volts. This pin is connected to the load that requires a stable voltage supply.
The LDK320AM33R is designed for applications that require low dropout voltage and provide a stable 3.3V output for a range of input voltages, typically used in battery-powered devices and other low-power applications.

Manufacturer

The LDK320AM33R is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets 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 its expertise in both analog and digital systems, providing solutions for power management, microcontrollers, sensors, and more. It is a major player in the semiconductor industry with a strong focus on innovation and sustainability.

Application

The LDK320AM33R is a low-dropout (LDO) voltage regulator designed for applications requiring stable and efficient voltage regulation. Key application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and wearables to provide stable power to sensitive components.
2. Industrial Equipment: Ensures reliable operation of sensors, controllers, and communication modules.
3. Automotive Systems: Supports infotainment systems, dashboard electronics, and sensor modules with efficient power management.
4. IoT Devices: Powers various IoT modules by maintaining a steady voltage output.
5. Communications Equipment: Used in networking devices for regulated power supply to critical circuits.
These applications benefit from its low noise, low quiescent current, and high power supply rejection ratio.

Package

The LDK320AM33R is a low dropout voltage regulator in a SOT-323 package. This package type is a small, surface-mount option that is widely used in electronic circuits for space-saving purposes.

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