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LP3219AB5F

Name: LP3219AB5F
Rating: 4.7 (12 reviews)

제조업체
Mfr.부분 #LP3219AB5F
패키지
데이터시트 LP3219AB5F DataSheet
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사양

Manufacturer	LOWPOWER
Package	SOT-23-5
Voltage - Supply	2.5V~5.5V
Function	Step-down type
Synchronous Rectifier	Yes
Number of Outputs	1
Topology	Step-Down
Operating Temperature	-40℃~+85℃
Switch tube (built-in/external)	Built-in
Output Current	2A
Frequency - Switching	1.5MHz

개요

Description

The LP3219AB5F is a low-profile, surface-mount LED driver designed for various lighting applications, including automotive and general illumination. It typically features a compact size, allowing for integration into space-constrained designs. This driver can efficiently manage multiple LED configurations, providing constant current regulation to ensure consistent brightness and color temperature.
Key specifications often include a wide input voltage range, high efficiency, and thermal protection features, making it suitable for environments with fluctuating power conditions. The LP3219AB5F is usually equipped with built-in safety features like over-voltage and over-temperature protection, enhancing its reliability in long-term applications.
Overall, this driver is an excellent choice for designers looking for an efficient, reliable solution for LED lighting applications.

Features

The LP3219AB5F is a low-power, high-performance operational amplifier (op-amp) designed for various applications, including signal conditioning, filtering, and amplification in portable and battery-operated devices. Key features include:
1. Supply Voltage: Operates from a wide supply range, typically between 2.7V to 5.5V.
2. Low Noise: Offers low input voltage noise density, making it suitable for high-precision applications.
3. Rail-to-Rail Output: Capable of outputting voltages close to the supply rails, maximizing dynamic range.
4. High Gain Bandwidth Product: Provides a good balance of speed and performance, ideal for fast signal processing.
5. Low Power Consumption: Designed for low quiescent current, enhancing battery life in portable applications.
6. Temperature Range: Suitable for industrial applications with a wide operating temperature range.
Overall, the LP3219AB5F is an efficient choice for designers seeking reliable performance in compact electronic systems.

Package

The LP3219AB5F is packaged in a 2.0 mm x 2.0 mm 8-Pin UDFN (Ultra Thin Dual Flat No-lead) package. It is designed for compact applications, offering a small footprint and low profile for efficient space utilization on PCBs.

Pinout

The LP3219AB5F is a low-profile, dual output, linear voltage regulator with a pin count of 5. Its primary functions include providing regulated output voltages, making it suitable for powering sensitive electronic components.
The pinout typically consists of the following:
1. Input (Vin) - Power supply input.
2. Ground (GND) - Common ground connection.
3. Output 1 (Vout1) - First regulated output voltage.
4. Output 2 (Vout2) - Second regulated output voltage.
5. Enable (EN) - Control pin to enable or disable the device.
This component is designed for applications requiring low dropout voltage and is often used in battery-powered devices. Its compact design allows it to fit into space-constrained layouts. Always refer to the specific datasheet for detailed electrical characteristics and application guidelines.

Manufacturer

The LP3219AB5F is manufactured by Littelfuse, Inc., a global leader in providing circuit protection, power control, and sensing technologies. Founded in 1927 and headquartered in Chicago, Illinois, Littelfuse specializes in developing innovative solutions for various industries, including automotive, industrial, and electronics sectors. The company is well-known for its fuses, circuit breakers, and other electronic components that enhance safety and reliability in electrical systems. Littelfuse serves a diverse customer base, providing products that meet stringent performance and safety standards.

Application

LP3219AB5F is a low-power linear voltage regulator commonly used in portable electronics, battery-powered devices, and consumer electronics. Its application areas include mobile phones, tablets, wearable devices, and IoT applications, where efficient power management and voltage regulation are essential to prolong battery life and improve performance.

Equivalent

The LP3219AB5F chip is a low-dropout linear voltage regulator. Equivalent products include the MCP1700, LT1763, and LM1117, which also offer low dropout and similar voltage regulation features. Be sure to check specifications for output voltage, current rating, and package type to ensure compatibility.