MAX1841EUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: µMAX® (8-pin microMAX)
• Essence: Voltage Boosting
• Packaging/Quantity: Tape and Reel (3,000 pieces per reel)

Specifications

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 2.5V to 5.5V
• Switching Frequency: 1MHz
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. LX: Inductor Connection
3. FB: Feedback Voltage Input
4. EN: Enable Pin
5. VOUT: Output Voltage
6. SHDN: Shutdown Pin
7. VIN: Input Voltage
8. CIN: Input Capacitor Connection

Functional Features

• High efficiency step-up DC-DC converter
• Low quiescent current
• Automatic Burst Mode® operation for light loads
• Soft-start feature limits inrush current
• Overcurrent and overtemperature protection
• Adjustable output voltage with external resistors
• Small package size for space-constrained applications

Advantages

• High efficiency results in longer battery life
• Wide input voltage range allows for versatile applications
• Automatic Burst Mode® operation reduces power consumption during light loads
• Overcurrent and overtemperature protection ensures safe operation
• Adjustable output voltage provides flexibility for different requirements
• Small package size enables compact designs

Disadvantages

• Limited output voltage range (2.5V to 5.5V)
• Requires external resistors for output voltage adjustment
• Not suitable for high-power applications

Working Principles

The MAX1841EUB+T is a step-up DC-DC converter that boosts the input voltage to a higher output voltage. It utilizes a high-efficiency switching regulator to minimize power losses and maximize efficiency. The device operates in Burst Mode® during light loads, reducing power consumption. It also features overcurrent and overtemperature protection to ensure safe operation.

Detailed Application Field Plans

The MAX1841EUB+T is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices. It is suitable for applications where a higher output voltage is required from a low input voltage source. Some specific application areas include:

1. Battery-powered devices: Extending battery life by efficiently boosting the battery voltage.
2. IoT devices: Powering sensors and wireless modules with a low input voltage source.
3. Portable medical devices: Providing a stable voltage supply for medical equipment.
4. Industrial automation: Powering low-power sensors and control circuits.

Detailed and Complete Alternative Models

1. MAX1840: Similar specifications and features, but with a different package (SOT23-6).
2. MAX1842: Higher output voltage range (up to 12V) with similar characteristics.
3. MAX1843: Lower quiescent current and wider input voltage range.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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