MIC9131YQS

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: QSOP-16
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 300mA
• Dropout Voltage: 150mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC9131YQS has a total of 16 pins arranged as follows:

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VIN (Input Voltage)
6. NC (No Connection)
7. NC
8. NC
9. NC
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High efficiency minimizes power dissipation and extends battery life in portable devices.
• Enable pin allows for easy on/off control of the regulator.
• Feedback pin provides accurate output voltage regulation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Small package size saves board space. - Wide input and output voltage ranges provide versatility. - Low dropout voltage enables operation with low input voltages.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Quiescent current of 60µA may be relatively high for ultra-low power devices.

Working Principles

The MIC9131YQS is a voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It operates by comparing the actual output voltage with a reference voltage and adjusting the internal circuitry to achieve the desired output voltage level. The regulator continuously monitors the input voltage and adjusts its internal components to compensate for any changes, ensuring a consistent output voltage.

Detailed Application Field Plans

The MIC9131YQS is commonly used in various electronic devices and systems, including but not limited to:

1. Portable consumer electronics: smartphones, tablets, portable media players
2. Wearable devices: smartwatches, fitness trackers
3. IoT (Internet of Things) devices: sensors, smart home devices
4. Battery-powered devices: wireless headphones, remote controls
5. Automotive electronics: infotainment systems, navigation systems

Alternative Models

1. MIC9130YQS: Similar specifications and features, but with a lower maximum output current of 200mA.
2. MIC9132YQS: Similar specifications and features, but with a higher maximum output current of 500mA.
3. MIC9133YQS: Similar specifications and features, but with an adjustable output voltage range.

These alternative models provide options for different application requirements while maintaining similar characteristics to the MIC9131YQS.

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