MAX5068EAUE

Product Overview

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 17µA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX5068EAUE has a 16-pin TSSOP package with the following pin configuration:

1. EN - Enable Input
2. FB - Feedback Input
3. GND - Ground
4. SW - Switch Node
5. SW - Switch Node
6. PGND - Power Ground
7. PGND - Power Ground
8. LX - Inductor Connection
9. LX - Inductor Connection
10. VCC - Supply Voltage Input
11. VCC - Supply Voltage Input
12. SS/TR - Soft-Start/Tracking Input
13. SS/TR - Soft-Start/Tracking Input
14. COMP - Compensation Node
15. COMP - Compensation Node
16. PGND - Power Ground

Functional Features

• Wide input voltage range allows for flexibility in power supply design.
• High efficiency ensures minimal power loss during operation.
• Low quiescent current reduces power consumption in standby mode.
• Soft-start and tracking feature enables smooth startup and transient response.
• Overcurrent and thermal protection safeguards the device and connected components.

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life. - Wide input voltage range allows for compatibility with various power sources. - Low quiescent current reduces standby power consumption. - Soft-start feature prevents inrush current during startup.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - The 16-pin TSSOP package may require additional space on the PCB compared to smaller packages.

Working Principles

The MAX5068EAUE is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and VIN. It utilizes a synchronous buck converter architecture to achieve high efficiency. The device incorporates a control loop that adjusts the duty cycle of the internal switches to maintain the desired output voltage. The soft-start feature gradually ramps up the output voltage during startup, preventing excessive inrush current. Overcurrent and thermal protection mechanisms ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The MAX5068EAUE is commonly used in various battery-powered applications, such as portable devices, IoT devices, and handheld instruments. Its wide input voltage range makes it suitable for use with different types of batteries or power sources. The low quiescent current and high efficiency make it ideal for energy-efficient designs. Typical applications include:

1. Smartphones and tablets
2. Wearable devices
3. Wireless sensors
4. Portable medical devices
5. Industrial handheld instruments

Detailed and Complete Alternative Models

1. MAX5069EAUE: Similar specifications and pin configuration, but with a higher maximum output current of 2A.
2. MAX5070EAUE: Higher maximum output current of 3A, suitable for more power-demanding applications.
3. MAX5067EAUE: Lower maximum output current of 500mA, suitable for low-power applications.

These alternative models offer similar functionality but with varying specifications to cater to different power requirements.

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