MAX8561ETA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: 8-pin TDFN
• Essence: Provides a compact and efficient solution for boosting voltage levels in various electronic devices.
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel.

Specifications

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

Pin Configuration

The MAX8561ETA+T features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin
7. LX: Inductor connection pin
8. PGND: Power ground pin

Functional Features

• High efficiency conversion of input voltage to higher output voltage.
• Low-power operation, suitable for battery-powered devices.
• Internal synchronous rectification for improved efficiency.
• Adjustable output voltage through external resistors.
• Overcurrent and overtemperature protection.
• Soft-start feature to prevent excessive inrush current.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-constrained applications. - High efficiency results in longer battery life. - Wide input voltage range enables compatibility with various power sources. - Built-in protection features enhance reliability.

Disadvantages: - Limited maximum output voltage may not be suitable for certain applications. - Higher cost compared to non-integrated solutions. - Requires external components for proper operation.

Working Principles

The MAX8561ETA+T is a step-up DC-DC converter that utilizes a high-frequency switching regulator to efficiently boost the input voltage to a higher output voltage. It employs an internal synchronous rectifier to minimize power losses during conversion. The feedback pin allows for adjustable output voltage, which can be set using external resistors. The enable pin provides control over the converter's operation, allowing it to be turned on or off as needed. The device also incorporates various protection features, such as overcurrent and overtemperature protection, to ensure safe and reliable operation.

Detailed Application Field Plans

The MAX8561ETA+T is commonly used in applications where a higher voltage level is required from a lower input voltage source. Some typical application fields include:

1. Battery-powered devices: Portable electronic devices, such as smartphones, tablets, and portable media players, often require a higher voltage level than the battery can provide. The MAX8561ETA+T can efficiently boost the battery voltage to meet the device's requirements.

2. Industrial equipment: Various industrial equipment, such as sensors, actuators, and control systems, may need a higher voltage level for proper operation. The MAX8561ETA+T can be used to step up the input voltage to the desired level.

3. Automotive electronics: In automotive applications, there is often a need to convert the vehicle's battery voltage to higher levels for powering different subsystems. The MAX8561ETA+T can be employed in these scenarios to provide the necessary voltage boost.

Detailed and Complete Alternative Models

1. MAX8562ETA+T: Similar to the MAX8561ETA+T, but with a higher maximum output voltage of 36V.
2. MAX8563ETA+T: Step-up DC-DC converter with integrated power switch and higher efficiency.
3. MAX8564ETA+T: Step-up DC-DC converter with adjustable output voltage and higher current handling capability.

These alternative models offer similar functionality to the MAX8561ETA+T but may have different specifications or additional features that cater to specific application requirements.

In conclusion, the MAX8561ETA+T 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 wide input voltage range, adjustable output voltage, and built-in protection features make it suitable for a wide range of applications.