MAX1775EEE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-Pin QSOP (Quarter Small Outline Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Maximum Output Current: 500mA
• Quiescent Current: 40µA (typical)
• Dropout Voltage: 120mV at 100mA load
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1775EEE has a 16-pin QSOP package with the following pin configuration:

1. VOUT
2. GND
3. FB
4. EN
5. SS
6. COMP
7. AGND
8. PGND
9. LX
10. LX
11. LX
12. LX
13. LX
14. LX
15. LX
16. VIN

Functional Features

• High efficiency voltage regulation for portable devices
• Low quiescent current for extended battery life
• Adjustable output voltage through feedback (FB) pin
• Soft-start feature for controlled startup
• Overcurrent and thermal protection
• Enable (EN) pin for power management control

Advantages and Disadvantages

Advantages: - High efficiency operation conserves battery power - Wide input voltage range allows compatibility with various power sources - Low quiescent current minimizes power consumption during standby - Compact package size enables space-saving designs

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The MAX1775EEE is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 1.8V and 3.3V. It achieves high efficiency by utilizing a synchronous buck converter architecture. The feedback (FB) pin allows the user to set the desired output voltage, while the enable (EN) pin provides control over the power management functionality.

Detailed Application Field Plans

The MAX1775EEE is commonly used in various portable electronic devices, such as smartphones, tablets, and portable media players. Its high efficiency and low quiescent current make it ideal for battery-powered applications where power consumption is critical. The adjustable output voltage and compact package size further enhance its versatility in different designs.

Detailed and Complete Alternative Models

• MAX1776EEE: Similar specifications and features, but with a higher maximum output current of 1A.
• MAX1777EEE: Similar specifications and features, but with an integrated LDO (Low Dropout Regulator) for additional voltage regulation capabilities.
• MAX1778EEE: Similar specifications and features, but with a wider input voltage range of 2.5V to 5.5V.

These alternative models provide options for different power requirements and design constraints, allowing designers to choose the most suitable solution for their specific applications.

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