MAX6464UR45+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Ultra-Low Quiescent Current
• Package: SOT-23
• Essence: Power Management IC
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 4.5V
• Output Current: Up to 100mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6464UR45+T has three pins:

1. VIN - Input voltage pin
2. GND - Ground pin
3. VOUT - Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Ultra-low quiescent current minimizes power consumption during standby or idle mode.
• Excellent line and load regulation for stable output voltage.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables operation with low input voltages.
• Ultra-low quiescent current prolongs battery life in portable applications.
• Small package size (SOT-23) allows for space-constrained designs.
• Wide operating temperature range makes it suitable for various environments.

Disadvantages

• Limited output current capability may not be sufficient for high-power applications.
• Requires external capacitors for stability, increasing component count.

Working Principles

The MAX6464UR45+T is a voltage regulator IC that regulates the input voltage to a stable 4.5V output voltage. It utilizes a low dropout architecture, which allows it to operate with input voltages as low as 2.5V. The device employs a feedback mechanism to maintain the desired output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The MAX6464UR45+T is commonly used in battery-powered applications where efficient power management is crucial. Some typical application fields include:

1. Portable electronic devices (e.g., smartphones, tablets, portable media players)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT (Internet of Things) devices
4. Wireless sensor networks
5. Medical devices
6. Industrial control systems

Detailed and Complete Alternative Models

• MAX6464XR45+T: Same specifications but available in an ultra-small SC70 package.
• MAX6464XS45+T: Same specifications but available in a tiny SOT-23-5 package with an active-low enable pin.
• MAX6464UT45+T: Same specifications but available in a microDFN package with a thermal shutdown feature.

(Note: This list is not exhaustive and other alternative models may exist.)

This concludes the encyclopedia entry for the MAX6464UR45+T voltage regulator IC.