MAX1523EUT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Step-Up DC-DC Converter
• Package: SOT-23-6
• Essence: High-Efficiency, Low-Power, Step-Up Converter
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 4V to 28V
• Maximum Output Current: 100mA
• Switching Frequency: 1.2MHz
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1523EUT+T has a total of six pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| EN SW |-- Pin 2: EN (Enable) --| FB LX |-- Pin 3: FB (Feedback) --| PGND LX |-- Pin 4: PGND (Power Ground) --| LX LX |-- Pin 5: LX (Switch Node) --| VOUT LX |-- Pin 6: VOUT (Output Voltage) |___________| ```

Functional Features

• High efficiency step-up converter for low-power applications
• Wide input voltage range allows for versatile usage
• Small package size enables space-constrained designs
• Low quiescent current consumption for improved battery life
• Adjustable output voltage through external resistors
• Overcurrent and overtemperature protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High efficiency operation conserves power - Wide input voltage range accommodates various power sources - Small package size enables compact designs - Adjustable output voltage provides flexibility - Overcurrent and overtemperature protection enhance reliability

Disadvantages: - Limited maximum output current (100mA) - Requires external resistors for output voltage adjustment

Working Principles

The MAX1523EUT+T is a step-up DC-DC converter that efficiently boosts low input voltages to higher output voltages. It utilizes a high-frequency switching regulator to convert the input voltage to the desired output voltage. The device operates at a fixed switching frequency of 1.2MHz, allowing for smaller external components.

The converter's feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The enable pin (EN) controls the converter's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The MAX1523EUT+T is commonly used in various low-power applications where efficient voltage boosting is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, wearable devices, and IoT sensors often rely on low-voltage batteries. The MAX1523EUT+T can efficiently boost the battery voltage to power the system.

2. Energy harvesting systems: Devices that harvest energy from ambient sources, such as solar panels or thermoelectric generators, often require voltage boosting to charge energy storage elements. The MAX1523EUT+T can efficiently perform this task.

3. Wireless communication modules: Low-power wireless modules, such as Bluetooth or Zigbee transceivers, often operate at higher voltages than the available power source. The MAX1523EUT+T can step up the voltage to meet the module's requirements.

4. Sensor networks: Many sensor nodes in industrial or environmental monitoring systems operate at low voltages. The MAX1523EUT+T can provide the necessary voltage boost for these nodes.

Detailed and Complete Alternative Models

1. MAX1524EUT+T: Similar to the MAX1523EUT+T, but with a higher maximum output current of 200mA.
2. MAX1525EUT+T: Step-up DC-DC converter with an adjustable output voltage range of 2.5V to 28V.
3. MAX1526EUT+T: Step-up DC-DC converter with an integrated low-dropout (LDO) regulator for improved voltage regulation.

These alternative models offer similar functionality to the MAX1523EUT+T but may have different specifications or additional features to suit specific application requirements.

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