MIC5317-1.8YM5-TR

Overview

Product Category: Voltage Regulator

Use: The MIC5317-1.8YM5-TR is a voltage regulator designed to provide a stable output voltage of 1.8V. It is commonly used in electronic devices that require a precise and constant power supply.

Characteristics: - Input Voltage Range: 2.3V to 5.5V - Output Voltage: 1.8V - Maximum Output Current: 500mA - Dropout Voltage: 200mV (typical) - Low Quiescent Current: 45µA (typical) - Low Shutdown Current: 0.1µA (typical)

Package: The MIC5317-1.8YM5-TR comes in a small 5-pin SOT-23 package, which is suitable for space-constrained applications.

Essence: This voltage regulator ensures a stable and reliable power supply by regulating the input voltage to a constant 1.8V output.

Packaging/Quantity: The MIC5317-1.8YM5-TR is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 1.8V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The MIC5317-1.8YM5-TR has the following pin configuration:

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1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin (Active High)
4. BYP: Bypass Capacitor Connection
5. VOUT: Output Voltage

Functional Features

• Stable Output Voltage: The MIC5317-1.8YM5-TR ensures a constant output voltage of 1.8V, even with varying input voltages.
• Low Dropout Voltage: With a dropout voltage as low as 200mV, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device has a low quiescent current of 45µA, minimizing power consumption in standby or idle modes.
• Shutdown Mode: The regulator can be put into a low-power shutdown mode by pulling the EN pin low, reducing power consumption to 0.1µA.

Advantages and Disadvantages

Advantages: - Stable and precise output voltage regulation - Low dropout voltage for efficient operation - Low quiescent and shutdown currents for reduced power consumption - Small package size suitable for space-constrained applications

Disadvantages: - Limited maximum output current of 500mA

Working Principles

The MIC5317-1.8YM5-TR is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained. The regulator operates by dissipating excess voltage as heat, which is why it has a dropout voltage.

Application Field Plans

The MIC5317-1.8YM5-TR is commonly used in various electronic devices that require a stable 1.8V power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require a precise and stable voltage for their internal components.
2. IoT Devices: Internet of Things (IoT) devices, such as sensors and wireless modules, can benefit from the regulated power supply provided by the MIC5317-1.8YM5-TR.
3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices rely on consistent power delivery to ensure reliable operation.

Alternative Models

If the MIC5317-1.8YM5-TR does not meet specific requirements, alternative models with similar characteristics and functionality are available. Some alternatives to consider are:

1. MIC5330-1.8YML-TR
2. TPS73618DBVR
3. LT1761ES5-1.8

These alternatives offer comparable voltage regulation capabilities and package options, providing flexibility for different design considerations.

In conclusion, the