LD3985M30R

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LD3985M30R

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IC REG LINEAR 3V 150MA SOT23-5

  • FabricanteSTMicroeletrônica

  • Peça do Fabricante #LD3985M30R

  • Em Estoque3672

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Especificações

Atributo Valor
PartStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 3V
VoltageDropout(Max) 0.1V @ 150mA
Current-Output 150mA
Current-Quiescent(Iq) 150 µA
PSRR 60dB ~ 50dB (1kHz ~ 10kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753
SupplierDevicePackage SOT-23-5
BaseProductNumber LD3985
Current-Supply(Max) 250 µA

Visão Geral

Description

LD3985M30R is a low-dropout (LDO) voltage regulator designed for applications requiring stable output voltage with minimal ripple. It features a fixed output voltage of 3.0V and a maximum output current of 1.0A, making it suitable for powering various electronic devices. The device operates with a low dropout voltage, meaning it can maintain regulation with a small difference between the input and output voltage, enhancing efficiency.
The LD3985M30R includes protection features such as overcurrent protection, thermal shutdown, and short-circuit protection, ensuring reliable operation and safeguarding the connected components. It is packaged in a compact configuration, making it ideal for space-constrained designs. Its low quiescent current further improves power efficiency, particularly in battery-operated applications.
Engineered for high performance, this LDO is commonly used in consumer electronics, industrial equipment, and portable devices, where a consistent and reliable power supply is essential.

Equivalent

The LD3985M30R is a low-dropout (LDO) voltage regulator. Equivalent products include the LT1085, LM1084, and MCP1825. Always check specifications for output voltage, current capability, dropout voltage, and package type to ensure compatibility.

Features

The LD3985M30R is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage. Key features include:
1. Output Voltage: Fixed output voltage of 3.0V.
2. Maximum Output Current: Capable of delivering up to 1.5A of continuous current.
3. Low Dropout Voltage: Typically 300mV at full load, allowing for efficient operation with minimal input-output voltage differential.
4. High PSRR: Excellent power supply rejection ratio, ensuring stable output even with fluctuating input voltages.
5. Thermal Protection: Integrated thermal overload protection to prevent damage from overheating.
6. Short-Circuit Protection: Includes short-circuit current limit to safeguard the device.
7. Wide Input Voltage Range: Operates over a broad input voltage range (typically up to 16V), making it versatile for various applications.
8. Compact Package: Available in a small footprint, reducing board space in designs.
These features make the LD3985M30R suitable for applications in power management, automotive, and consumer electronics.

Pinout

The LD3985M30R is a low-dropout (LDO) voltage regulator with a total of 8 pins. Its pin configuration and functions are as follows:
1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground reference.
3. Output (VOUT): Provides the regulated output voltage (3.0V in this case).
4. Enable (EN): Active high input to enable/disable the regulator.
5. Feedback (FB): Used for voltage feedback to maintain output regulation.
6. NC (Not Connected): Reserved for future use, not internally connected.
7. Capacitor (C): Typically used for external frequency compensation.
8. Power Dissipation (PAD): Thermal pad for improved heat dissipation.
This device is primarily used in applications requiring low power consumption and low dropout voltage.

Manufacturer

The LD3985M30R is manufactured by STMicroelectronics, a global semiconductor company. Founded in 1987, STMicroelectronics is headquartered in Geneva, Switzerland, and is known for its diverse range of products, including microcontrollers, analog devices, MEMS sensors, and power management ICs. The company serves various sectors, including automotive, industrial, personal electronics, and communication equipment.
As a leading player in the semiconductor industry, STMicroelectronics focuses on innovation and sustainability, producing high-performance and energy-efficient solutions. Their product portfolio is designed to meet the growing demands for connectivity, automation, and smart technologies across multiple applications. The LD3985M30R, specifically, is a low-dropout (LDO) voltage regulator used for power management in various electronic devices, demonstrating the company's capability in delivering reliable and efficient power solutions.

Application

The LD3985M30R is a low-dropout (LDO) voltage regulator primarily used in various applications requiring stable and precise voltage output. Key application areas include:
1. Consumer Electronics: Powering portable devices like smartphones and tablets.
2. Embedded Systems: Regulating power for microcontrollers and sensors.
3. Industrial Equipment: Supplying voltage to control circuits in automation systems.
4. Telecommunications: Providing reliable power to networking devices and communication equipment.
5. Medical Devices: Ensuring accuracy in powering sensitive medical instruments.
Its low dropout voltage, high output current capability, and thermal performance make it suitable for these applications.

Package

The LD3985M30R is packaged in a TO-220 package type, which is a metal tab package suitable for power applications, providing efficient heat dissipation and easy mounting.

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