AS3688-T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High efficiency, low power consumption, compact size
Package: Surface Mount Technology (SMT)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 1.2V to 3.6V
Maximum Output Current: 500mA
Dropout Voltage: 200mV at 100mA
Quiescent Current: 50µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AS3688-T has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
EN: Enable pin
FB: Feedback pin
VOUT: Output voltage pin

Functional Features

Low dropout voltage for efficient power conversion
Wide input voltage range for versatile applications
Adjustable output voltage through external resistors
Overcurrent and thermal protection for enhanced safety
Fast transient response for stable operation

Advantages and Disadvantages

Advantages: - High efficiency resulting in reduced power consumption - Compact size suitable for space-constrained designs - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage provides flexibility for different applications - Reliable overcurrent and thermal protection ensures device safety

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications - Dropout voltage of 200mV may affect performance in low voltage scenarios

Working Principles

The AS3688-T is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in load and input conditions. The device operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly.

Detailed Application Field Plans

The AS3688-T is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its compact size and high efficiency make it ideal for battery-powered applications where power consumption and space are critical factors. The voltage regulator ensures a stable power supply to sensitive components, enabling reliable operation of the devices.

Detailed and Complete Alternative Models

AS3689-T: Similar specifications but with higher maximum output current (1A)
AS3690-T: Adjustable output voltage range from 0.8V to 3.6V
AS3691-T: Enhanced thermal protection and lower dropout voltage (150mV)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AS3688-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AS3688-T in technical solutions:

Q: What is AS3688-T? A: AS3688-T is a technical specification that defines the requirements for lighting installations in various applications.
Q: What are the key features of AS3688-T? A: AS3688-T specifies the minimum lighting levels, color rendering index (CRI), glare control, and energy efficiency requirements for different spaces.
Q: Where is AS3688-T commonly applied? A: AS3688-T is commonly applied in commercial buildings, offices, educational institutions, healthcare facilities, retail stores, and outdoor areas.
Q: How does AS3688-T ensure energy efficiency? A: AS3688-T sets guidelines for the use of energy-efficient lighting technologies, such as LED lights, and recommends strategies like daylight harvesting and occupancy sensors.
Q: What is the purpose of specifying minimum lighting levels in AS3688-T? A: The specified minimum lighting levels ensure adequate illumination for visual tasks, occupant comfort, and safety in different spaces.
Q: How does AS3688-T address glare control? A: AS3688-T provides recommendations on minimizing glare by specifying maximum luminance ratios, proper light distribution, and appropriate shielding of light sources.
Q: Does AS3688-T cover emergency lighting requirements? A: Yes, AS3688-T includes guidelines for emergency lighting, including backup power requirements, exit signage, and illumination levels during power outages.
Q: Are there any specific requirements for outdoor lighting in AS3688-T? A: Yes, AS3688-T covers outdoor lighting requirements, including illuminance levels for pathways, parking lots, and building facades, as well as light pollution control measures.
Q: Can AS3688-T be used for residential lighting applications? A: While AS3688-T primarily focuses on non-residential applications, some of its principles and recommendations can be applied to residential lighting design as well.
Q: Is compliance with AS3688-T mandatory? A: Compliance with AS3688-T is not mandatory unless it is referenced in building codes or regulations. However, following the standard ensures best practices for lighting design and energy efficiency.

Please note that these answers are general and may vary depending on specific interpretations of AS3688-T and local regulations.