MAX17621ATA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 8-pin Thin SOT23
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 17µA (typical)
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX17621ATA+T has the following pin configuration:

1. GND: Ground connection
2. EN: Enable pin for turning the regulator on/off
3. FB: Feedback pin for setting the output voltage
4. SW: Switching node for connecting the inductor
5. LX: Inductor connection point
6. PGND: Power ground connection
7. VOUT: Regulated output voltage
8. VIN: Input voltage supply

Functional Features

• High efficiency with up to 95% conversion efficiency
• Low quiescent current for extended battery life
• Integrated power MOSFETs for reduced external component count
• Overcurrent and thermal protection for enhanced reliability
• Soft-start feature for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation and longer battery life - Small package size allows for space-saving designs - Wide input and output voltage ranges provide flexibility in various applications

Disadvantages: - Limited maximum output current of 500mA - Requires an external inductor for operation

Working Principles

The MAX17621ATA+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It utilizes integrated power MOSFETs to achieve high efficiency and reduce the need for external components. The regulator operates at a switching frequency of 1.2MHz, allowing for compact designs. It features overcurrent and thermal protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The MAX17621ATA+T is suitable for various applications, including but not limited to:

1. Battery-powered devices: Portable electronics, wearables, IoT devices
2. Consumer electronics: Smartphones, tablets, digital cameras
3. Industrial equipment: Sensors, control systems, motor drives
4. Automotive electronics: Infotainment systems, lighting controls, power management modules

Detailed and Complete Alternative Models

1. MAX17622ATA+T: Similar specifications and features, but with a higher maximum output current of 1A.
2. MAX17623ATA+T: Lower quiescent current and wider input voltage range compared to MAX17621ATA+T.
3. MAX17624ATA+T: Higher output voltage range and lower dropout voltage than MAX17621ATA+T.

(Note: This list is not exhaustive and there may be other alternative models available.)

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