BD3873FS-E2

Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: SOP-8
Essence: Voltage Regulator
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications and Parameters

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Maximum Output Current: 1.5A
Dropout Voltage: 200mV (typical)
Quiescent Current: 50μA (typical)
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BD3873FS-E2 has a total of 8 pins arranged as follows: 1. VIN: Input Voltage 2. GND: Ground 3. EN: Enable Pin 4. FB: Feedback Pin 5. VOUT: Output Voltage 6. NC: No Connection 7. PG: Power Good Indicator 8. SS: Soft Start Control

Functional Characteristics

High Efficiency: The BD3873FS-E2 offers high efficiency power conversion, minimizing energy loss.
Low Power Consumption: With a low quiescent current, the IC consumes minimal power during standby or idle mode.
Power Good Indicator: The PG pin provides a signal indicating the status of the output voltage, ensuring reliable operation.
Soft Start Control: The SS pin enables a controlled startup sequence, preventing excessive inrush current.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Power good indicator for reliable operation - Soft start control for controlled startup

Disadvantages: - Limited maximum output current (1.5A)

Applicable Range of Products

The BD3873FS-E2 is suitable for various applications requiring voltage regulation, such as: - Portable electronic devices - Battery-powered systems - IoT devices - Consumer electronics

Working Principles

The BD3873FS-E2 operates as a voltage regulator, converting the input voltage to a stable output voltage. It utilizes internal circuitry to maintain the desired output voltage even with varying input voltages and load conditions.

Detailed Application Field Plans

Mobile Phones: The BD3873FS-E2 can be used to regulate the voltage for various components in mobile phones, ensuring stable operation.
Wearable Devices: With its low power consumption and small package size, the IC is ideal for powering wearable devices like smartwatches and fitness trackers.
IoT Sensors: The voltage regulator can provide a stable power supply to IoT sensors, enabling reliable data collection and transmission.
Portable Audio Players: By regulating the voltage for audio amplifiers and DACs, the BD3873FS-E2 enhances the audio quality of portable audio players.
Battery Management Systems: The IC can be employed in battery management systems to control the charging and discharging processes efficiently.

Detailed Alternative Models

Some alternative models to the BD3873FS-E2 include: - BD3873FS: Similar specifications and pin configuration, but without the "-E2" suffix. - BD3872FS: Lower maximum output current (1A) but otherwise similar characteristics.

5 Common Technical Questions and Answers

Q: What is the maximum input voltage supported by the BD3873FS-E2? A: The IC can handle input voltages ranging from 2.7V to 5.5V.
Q: Does the BD3873FS-E2 have a power good indicator? A: Yes, it has a dedicated PG pin that provides a signal indicating the status of the output voltage.
Q: What is the typical dropout voltage of the BD3873FS-E2? A: The typical dropout voltage is 200mV.
Q: Can the BD3873FS-E2 be used in battery-powered systems? A: Yes, it is suitable for battery-powered applications due to its low power consumption and wide input voltage range.
Q: What is the operating temperature range of the BD3873FS-E2? A: The IC can operate within a temperature range of -40°C to +85°C.

This encyclopedia entry provides an overview of the BD3873FS-E2, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.