LD3985M33R

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LD3985M33R

IC REG LINEAR 3.3V 150MA SOT23-5

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.1V @ 150mA
Current-Output 150mA
Current-Quiescent(Iq) 150 µA
Current-Supply(Max) 250 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

Tổng quan

Description

The LD3985M33R is a low-dropout (LDO) linear voltage regulator. It is designed to provide a stable output voltage with minimal difference between input and output voltages, making it efficient for battery-powered devices. The "33" in the part number typically indicates a fixed output voltage of 3.3 volts. This component is known for its low quiescent current, which helps extend battery life in portable applications.
The LD3985 series can deliver up to 150 mA of output current, making it suitable for powering small sensors, microcontrollers, and other low-power devices. It features thermal protection, short-circuit protection, and is available in various package options to suit different design constraints.
With a low dropout voltage, it continues to regulate output effectively even when the input supply is close to the desired output voltage. This feature, combined with its small form factor, makes the LD3985M33R an attractive choice for compact, energy-efficient electronics.

Features

The LD3985M33R is a low-dropout (LDO) linear voltage regulator. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Input Voltage Range: Typically operates with input voltages up to 6V.
3. Output Current: Can deliver up to 150 mA of output current.
4. Dropout Voltage: Exhibits a low dropout voltage, around 200 mV at full load.
5. Quiescent Current: Offers low quiescent current, enhancing efficiency.
6. Ripple Rejection: Features good power supply rejection ratio (PSRR).
7. Stability: Designed for stability with low ESR (Equivalent Series Resistance) capacitors.
8. Protection: Includes thermal shutdown and current limit protection.
9. Package: Typically available in compact SOT-23 and other small footprint packages, suitable for space-constrained applications.
10. Applications: Ideal for battery-powered devices, portable electronics, and other applications requiring efficient voltage regulation.
These features make the LD3985M33R suitable for applications needing reliable voltage regulation with minimal power loss.

Package

The LD3985M33R is a low-dropout (LDO) linear regulator, and it typically comes in a SOT-23-5 package, which is a small outline transistor package with five leads.

Pinout

The LD3985M33R is a low-dropout linear voltage regulator. It typically comes in a SOT-23-5 package, which has 5 pins. Here's a brief overview of its pin functions:
1. Pin 1 (VIN): Input voltage pin; this is where the unregulated input voltage is supplied.
2. Pin 2 (GND): Ground pin; it serves as the reference point for the input and output voltages.
3. Pin 3 (EN): Enable pin; it is used to turn the regulator on or off. When the enable pin is high, the regulator is active.
4. Pin 4 (NC or ADJ): This pin can be a No Connect (NC) or an Adjust (ADJ) pin, depending on the specific version or configuration.
5. Pin 5 (VOUT): Output voltage pin; this is where the regulated output voltage is provided.
The LD3985M33R specifically provides a fixed output voltage of 3.3V. It is used in applications requiring low dropout voltage and low quiescent current, such as battery-powered devices.

Manufacturer

The LD3985M33R is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is one of the leading suppliers in the semiconductor industry, providing a wide range of products and solutions for various applications, including automotive, industrial, personal electronics, and communications. The company focuses on developing innovative and sustainable semiconductor technologies that enable smarter and more energy-efficient solutions. STMicroelectronics operates in multiple regions worldwide, catering to diverse market needs and advancing technological progress across various sectors.

Application

The LD3985M33R is a low-dropout (LDO) voltage regulator commonly used in battery-powered devices due to its low quiescent current and low dropout voltage. Applications include powering microcontrollers, sensors, and RF modules in smartphones, tablets, wearable devices, and IoT gadgets. Its stability and reliability make it suitable for use in automotive electronics, portable medical equipment, and industrial automation systems where consistent voltage regulation is crucial.

Equivalent

The LD3985M33R is a low-dropout voltage regulator. Equivalent products may include:
1. Texas Instruments TPS79333
2. ON Semiconductor NCP5501DT33G
3. Microchip MCP1700-3302E
4. Analog Devices ADP3333
5. ROHM BA33DD0T
Ensure compatibility by checking the datasheets for electrical characteristics, package type, and pin configuration.

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