MAX8765AETI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-efficiency step-down DC-DC converter - Wide input voltage range - Low quiescent current - Adjustable output voltage - Overcurrent and overtemperature protection - Small package size

Package: 28-pin TQFN (Thin Quad Flat No-Lead) package

Essence: The MAX8765AETI+ is a power management IC designed for efficient step-down voltage conversion in various electronic devices.

Packaging/Quantity: The MAX8765AETI+ is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Quiescent Current: 40µA (typical)
• Switching Frequency: 1MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8765AETI+ has a total of 28 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. COMP: Compensation pin
6. SS/TR: Soft-start/Tracking pin
7. PGND: Power ground pin
8. LX: Switching node pin
9. BST: Bootstrap capacitor pin
10. VCC: Supply voltage pin
11. AGND: Analog ground pin
12. VREF: Reference voltage pin
13. OCSET: Overcurrent protection threshold setting pin
14. OCP: Overcurrent protection pin
15. OTP: Overtemperature protection pin 16-28. NC: No connection pins

Functional Features

• High-efficiency step-down voltage conversion
• Adjustable output voltage through feedback pin
• Soft-start and tracking functions for controlled startup
• Overcurrent and overtemperature protection for enhanced safety
• Wide input voltage range allows compatibility with various power sources
• Low quiescent current minimizes power consumption in standby mode

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range provides flexibility in power source selection - Small package size saves board space - Overcurrent and overtemperature protection enhance system reliability

Disadvantages: - Limited maximum output current (3A) - Requires external components for proper operation

Working Principles

The MAX8765AETI+ operates as a step-down DC-DC converter, converting a higher input voltage to a lower output voltage. It utilizes a high-frequency switching technique to achieve efficient voltage conversion. The feedback pin allows the output voltage to be adjusted according to the application requirements. The IC also incorporates various protection features to ensure safe operation under different conditions.

Detailed Application Field Plans

The MAX8765AETI+ is suitable for a wide range of applications, including but not limited to: - Portable electronic devices - Industrial equipment - Automotive systems - Communication infrastructure - Power supply modules

Detailed and Complete Alternative Models

1. MAX1765AETI+: Similar to MAX8765AETI+, but with a lower maximum output current of 2A.
2. MAX8865AETI+: Step-down DC-DC converter with adjustable output voltage and a maximum output current of 4A.
3. MAX7765AETI+: Power management IC with integrated battery charger functionality.

These alternative models offer similar functionality and can be considered as alternatives to the MAX8765AETI+ based on specific application requirements.

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