MAX1817EUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, Adjustable Output Voltage
• Package: µMAX®
• Essence: The MAX1817EUB+T is a low dropout voltage regulator designed to provide a stable and adjustable output voltage for various electronic devices.
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 40µA (typical)
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1817EUB+T has the following pin configuration:

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| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 |___________| ```

• Pin 1: VIN (Input Voltage)
• Pin 2: VOUT (Output Voltage), EN (Enable)

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Adjustable output voltage provides flexibility for various applications.
• Low quiescent current ensures minimal power consumption in standby mode.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - Adjustable output voltage accommodates different system requirements. - Low quiescent current prolongs battery life in portable devices. - Thermal shutdown protection enhances device reliability.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation. - Not suitable for applications requiring high input voltage.

Working Principles

The MAX1817EUB+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The enable pin allows the device to be turned on or off, conserving power when not in use.

Detailed Application Field Plans

The MAX1817EUB+T can be used in various applications, including but not limited to: 1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices. 2. Automotive electronics: Infotainment systems, navigation systems, and dashboard displays. 3. Industrial equipment: Sensors, control systems, and motor drives. 4. Consumer electronics: Audio/video equipment, gaming consoles, and digital cameras.

Detailed and Complete Alternative Models

1. MAX1817ESA+: Surface Mount Package, 8-pin SOIC
2. MAX1817EBL+: Lead-Free Package, 10-pin µMAX®
3. MAX1817ETL+: Lead-Free Package, 6-pin SOT23

These alternative models offer similar functionality and performance to the MAX1817EUB+T, providing options for different package types and pin configurations.

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