MAX8667ETEAC+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-TQFN-EP (4mm x 4mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 600mA
• Quiescent Current: 17µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8667ETEAC+T has a total of 16 pins arranged as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS/TRK: Soft-Start/Tracking Pin
6. VOUT: Output Voltage
7. PG: Power Good Indicator
8. AGND: Analog Ground
9. LX: Switching Node
10. BST: Boost Capacitor Connection
11. SW: Switching Node
12. COMP: Compensation Pin
13. SS/TRK: Soft-Start/Tracking Pin
14. VCC: Supply Voltage
15. PG: Power Good Indicator
16. PG: Power Good Indicator

Functional Features

• High efficiency voltage regulator for portable devices
• Low quiescent current extends battery life
• Wide input voltage range allows for flexibility in power sources
• Adjustable output voltage for various applications
• Soft-start and tracking features for smooth power-up and shutdown
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Low quiescent current reduces power consumption - Wide input voltage range provides flexibility - Adjustable output voltage suits different applications - Soft-start and tracking features ensure smooth operation - Power good indicator enhances system reliability

Disadvantages: - Limited maximum output current (600mA) - Operating temperature range may not be suitable for extreme environments

Working Principles

The MAX8667ETEAC+T is a voltage regulator that converts an input voltage between 2.5V and 5.5V to a regulated output voltage between 0.6V and 3.3V. It achieves high efficiency by utilizing a synchronous buck-boost topology. The device operates with low quiescent current, minimizing power consumption when the load is light.

The regulator's output voltage can be adjusted using external resistors connected to the feedback pin (FB). Soft-start and tracking functions ensure a controlled startup and shutdown sequence, preventing voltage spikes and glitches. The power good indicator (PG) monitors the output voltage, providing a signal to the system when it reaches the desired level.

Detailed Application Field Plans

The MAX8667ETEAC+T is widely used in portable electronic devices such as smartphones, tablets, and wearable devices. Its high efficiency and low quiescent current make it ideal for battery-powered applications. The adjustable output voltage allows it to be used in various circuits requiring different voltage levels.

Some specific application fields include: 1. Mobile phones and smartwatches 2. Portable medical devices 3. Handheld gaming consoles 4. GPS navigation systems 5. Wireless communication modules

Detailed and Complete Alternative Models

1. MAX8668ETEAC+T: Similar specifications but with higher maximum output current (800mA).
2. MAX8669ETEAC+T: Similar specifications but with a wider input voltage range (2.5V to 6.5V).
3. MAX8670ETEAC+T: Similar specifications but with an integrated LDO for additional voltage regulation.

These alternative models offer similar functionality and can be considered as replacements or alternatives to the MAX8667ETEAC+T, depending on specific application requirements.

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