LD3985M30R

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LD3985M30R

IC REG LINEAR 3V 150MA SOT23-5

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  • Mfr. Parte #LD3985M30R
  • Paquete
  • Hoja de datos
  • En stock7164

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Especificaciones

Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3V
Voltage Dropout (Max) 0.1V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 150 µA
PSRR 60dB ~ 50dB (1kHz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Base Product Number LD3985
Current - Supply (Max) 250 µA

Descripción general

Description

The LD3985M30R is a low-dropout (LDO) voltage regulator designed for applications requiring precise voltage regulation with minimal input-output voltage difference. It typically features a fixed output voltage of 3.0V, making it suitable for powering low-voltage digital circuits and devices. The device can handle input voltages up to around 15V and provides a maximum output current of 1A.
Key characteristics include low quiescent current, high power supply ripple rejection (PSRR), and thermal protection, ensuring reliable operation under varying conditions. It is packaged in a compact form factor, making it ideal for space-constrained designs. The LD3985M30R is widely used in battery-powered devices, consumer electronics, and various embedded systems where efficient voltage regulation is essential.
Overall, it is an effective solution for designers seeking a dependable voltage regulator with optimal performance for low-voltage applications.

Features

The LD3985M30R is a low-dropout (LDO) voltage regulator designed for efficient power management in various applications. Key features include:
1. Output Voltage: Fixed output voltage of 3.0V.
2. Low Dropout Voltage: Typically around 220mV at a 300mA load, enhancing efficiency.
3. High Output Current: Capable of delivering up to 1A of output current, making it suitable for power-sensitive applications.
4. Low Quiescent Current: Offers low quiescent current, improving battery life in portable devices.
5. Thermal Protection: Includes thermal shutdown and current limiting features to protect the device under fault conditions.
6. Wide Operating Range: Input voltage range from 2.5V to 16V, providing versatility across different circuits.
7. Compact Package: Available in a small footprint, facilitating space-saving designs.
These features make the LD3985M30R ideal for powering microcontrollers, sensors, and other digital circuits in consumer electronics and industrial applications.

Package

The LD3985M30R is typically packaged in a TO-252 (DPAK) format. This surface-mount package is designed for efficient thermal dissipation and easy integration into electronic circuits.

Pinout

The LD3985M30R is a low-dropout (LDO) voltage regulator with a pin count of 5. It is designed to provide a stable output voltage of 3.0V.
Pin Functions:
1. Input (VIN): This pin receives the input voltage supply.
2. Ground (GND): This pin is connected to the ground reference for the circuit.
3. Output (VOUT): This pin delivers the regulated output voltage of 3.0V.
4. Enable (EN): This pin is used to enable or disable the output. A high signal enables the regulator, while a low signal disables it.
5. Bypass (BP): This pin can be used to connect a capacitor to improve the transient response and noise performance.
The LD3985M30R is commonly used in various applications requiring a low quiescent current and high precision voltage regulation.

Manufacturer

The LD3985M30R is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs and manufactures a wide range of microelectronics and integrated circuits for various applications, including automotive, industrial, personal electronics, and telecommunications. The company is known for its innovation in the semiconductor industry, providing solutions that enable smarter and more efficient electronic devices. Established in 1987, STMicroelectronics has a strong presence in the global market, with a focus on sustainability and technological advancement.

Application

The LD3985M30R is a low-dropout (LDO) linear voltage regulator commonly used in applications such as consumer electronics, battery-powered devices, and telecommunications. It provides a stable output voltage with low noise, making it suitable for powering sensitive analog and digital circuitry. Other application areas include automotive electronics, industrial equipment, and RF systems where precise voltage regulation is essential.

Equivalent

The LD3985M30R is a low-dropout (LDO) voltage regulator. Equivalent products include the LT1085, MCP1825, and LM1085, which also provide similar output voltage regulation and low dropout performance. Additionally, the MCP1700 and MIC5205 may serve as alternatives depending on specific current and voltage requirements. Always check datasheets for exact specifications and compatibility.

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