MAX6888DETE+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management IC
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: TDFN-14 (Thin Dual Flat No-Lead) package
• Essence: Provides a compact and efficient solution for boosting voltage levels in various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: Up to 28V
• Switching Frequency: 1.2MHz
• Maximum Output Current: 200mA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6888DETE+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input voltage pin | | 2 | GND | Ground pin | | 3 | LX | Inductor connection pin | | 4 | FB | Feedback voltage input pin | | 5 | EN | Enable pin | | 6 | VOUT | Output voltage pin | | 7 | SW | Switching node pin | | 8 | PGND | Power ground pin | | 9 | AGND | Analog ground pin | | 10 | SS | Soft-start capacitor pin | | 11 | BST | Bootstrap capacitor pin | | 12 | COMP | Compensation pin | | 13 | FB2 | Secondary feedback voltage input pin | | 14 | VCC | Power supply pin |

Functional Features

• High-efficiency step-up DC-DC converter
• Integrated power MOSFET and compensation network
• Adjustable output voltage through external resistors
• Soft-start function for controlled startup
• Overcurrent and overtemperature protection
• Low shutdown current for power-saving operation

Advantages and Disadvantages

Advantages

• Compact package size allows for space-constrained applications
• High efficiency results in reduced power consumption
• Wide input voltage range enables compatibility with various power sources
• Integrated features simplify design and reduce external component count

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Higher cost compared to non-integrated solutions

Working Principles

The MAX6888DETE+ is a step-up DC-DC converter that utilizes a high-frequency switching technique to boost the input voltage to a higher level. It incorporates an integrated power MOSFET and compensation network, which ensures efficient power conversion. The feedback mechanism adjusts the duty cycle of the switching transistor to maintain the desired output voltage. The soft-start function gradually ramps up the output voltage during startup to prevent excessive inrush current.

Detailed Application Field Plans

The MAX6888DETE+ finds applications in various electronic devices that require voltage boosting, such as: 1. Battery-powered portable devices 2. LCD displays and backlighting systems 3. LED drivers 4. Wireless communication modules 5. Industrial control systems

Detailed and Complete Alternative Models

1. MAX1771ESA+: Step-up DC-DC converter with similar specifications and package, but lower maximum output current.
2. LT1308CS8#PBF: High-efficiency step-up DC-DC converter with adjustable output voltage and higher maximum output current.
3. TPS61220DCKR: Ultra-low power step-up DC-DC converter with a smaller package size and lower input voltage range.

In conclusion, the MAX6888DETE+ is a high-efficiency step-up DC-DC converter that provides a compact and efficient solution for boosting voltage levels in various electronic devices. Its integrated features, adjustable output voltage, and wide input voltage range make it suitable for a range of applications. However, its limited maximum output current and higher cost should be considered when selecting alternative models.