MAX6888RETE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power, Step-up DC-DC Converter
• Package: 16-pin TQFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 3.3V to 5.5V
• Switching Frequency: 1.2MHz
• Maximum Output Current: 200mA
• Quiescent Current: 17µA (typical)

Detailed Pin Configuration

The MAX6888RETE+T has a 16-pin TQFN package with the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. SW (Switch)
4. GND (Ground)
5. LX (Inductor Connection)
6. LX (Inductor Connection)
7. LX (Inductor Connection)
8. LX (Inductor Connection)
9. LX (Inductor Connection)
10. LX (Inductor Connection)
11. LX (Inductor Connection)
12. LX (Inductor Connection)
13. LX (Inductor Connection)
14. LX (Inductor Connection)
15. LX (Inductor Connection)
16. VIN (Input Voltage)

Functional Features

• High efficiency up to 95%
• Low quiescent current for power-saving applications
• Internal synchronous rectification for improved efficiency
• Soft-start feature to reduce inrush current
• Overcurrent and thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency results in longer battery life
• Low quiescent current reduces power consumption
• Small package size allows for space-saving designs
• Internal synchronous rectification improves efficiency

Disadvantages

• Limited maximum output current (200mA)
• Input voltage range is relatively narrow (2.7V to 5.5V)

Working Principles

The MAX6888RETE+T is a step-up DC-DC converter that converts a low input voltage to a higher output voltage. It utilizes a high-frequency switching regulator to efficiently boost the input voltage. The internal synchronous rectification further improves efficiency by reducing power losses.

The enable pin (EN) controls the operation of the converter. When EN is high, the converter is enabled and starts regulating the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch accordingly to maintain a stable output.

The soft-start feature gradually increases the duty cycle during startup to limit the inrush current. Overcurrent and thermal shutdown protection mechanisms ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The MAX6888RETE+T is commonly used in various battery-powered applications where efficient power management is crucial. Some typical application fields include:

1. Portable electronic devices
2. Wearable devices
3. IoT (Internet of Things) devices
4. Wireless sensor networks
5. Medical devices
6. Handheld instruments

Detailed and Complete Alternative Models

• MAX17710: High-Efficiency Step-Up DC-DC Converter
• MAX6190: Low-Power Step-Up DC-DC Converter
• MAX17222: Ultra-Low Quiescent Current Boost Converter
• MAX8569: High-Efficiency Synchronous Boost Converter
• MAX15062: High-Efficiency, Low-Quiescent Current Boost Converter

These alternative models offer similar functionality and can be considered as alternatives to the MAX6888RETE+T based on specific application requirements.

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