MAX1736EUT42+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Regulator (LDO)
• Package: SOT-23-6
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 4.2V
• Maximum Output Current: 250mA
• Dropout Voltage: 120mV at 100mA
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1736EUT42+T is a six-pin device with the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection
5. FB: Feedback pin for setting the output voltage
6. OUT: Output voltage connection

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the device from overcurrent situations.

Advantages and Disadvantages

Advantages: - Small package size enables space-saving designs. - Wide input voltage range accommodates various power sources. - Low dropout voltage minimizes power dissipation. - Good line and load regulation ensure stable output voltage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOT-23-6 package may require careful handling during assembly.

Working Principles

The MAX1736EUT42+T is a low dropout regulator that maintains a constant output voltage despite variations in input voltage and load conditions. It utilizes a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable (EN) pin allows the user to turn the regulator on or off as needed. The device also incorporates thermal shutdown protection and short-circuit current limit features to safeguard against potential damage.

Detailed Application Field Plans

The MAX1736EUT42+T is commonly used in various battery-powered applications, such as portable electronic devices, wireless communication systems, and handheld instruments. Its low dropout voltage and low quiescent current make it ideal for prolonging battery life. The stable output voltage and small package size further enhance its suitability for space-constrained designs.

Detailed and Complete Alternative Models

1. MAX1736EUT33+T: Output voltage of 3.3V
2. MAX1736EUT50+T: Output voltage of 5.0V
3. MAX1736EUT25+T: Output voltage of 2.5V
4. MAX1736EUT12+T: Output voltage of 1.2V

These alternative models provide different output voltage options to cater to specific application requirements while maintaining similar characteristics and features as the MAX1736EUT42+T.

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