MAX1935ETA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-down DC-DC converter
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The MAX1935ETA-T is a high-efficiency, low-power, step-down DC-DC converter designed for power management applications. It operates from a wide input voltage range of 2.7V to 5.5V and provides an adjustable output voltage from 0.6V to VIN. The maximum output current is 500mA.

Pin Configuration

The MAX1935ETA-T features an 8-pin TDFN package with the following pin configuration:

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

Functional Features

• High efficiency: The MAX1935ETA-T utilizes a synchronous rectification architecture, resulting in improved efficiency.
• Low-power operation: The device is designed to minimize power consumption, making it suitable for battery-powered applications.
• Adjustable output voltage: The output voltage can be adjusted using external resistors, providing flexibility in various applications.
• Enable control: The EN pin allows for easy on/off control of the device, conserving power when not needed.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation and longer battery life. - Wide input voltage range allows for compatibility with different power sources. - Adjustable output voltage provides versatility in various applications. - Enable control allows for power management and conservation.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - 8-pin package may require additional space on the PCB compared to smaller packages.

Working Principles

The MAX1935ETA-T operates as a step-down DC-DC converter, converting a higher input voltage to a lower output voltage. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The device employs a synchronous rectification architecture, which reduces power dissipation and improves efficiency.

Detailed Application Field Plans

The MAX1935ETA-T is commonly used in various power management applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Wearable technology - Embedded systems

Detailed and Complete Alternative Models

1. MAX1936ETA-T: Similar to MAX1935ETA-T, but with a higher maximum output current of 1A.
2. MAX1937ETA-T: Step-down DC-DC converter with adjustable output voltage and higher maximum output current of 2A.
3. MAX1938ETA-T: Integrated circuit with multiple outputs and higher maximum output current of 3A.

These alternative models offer different specifications and capabilities, allowing users to choose the most suitable option for their specific requirements.

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