MAX887HESA+TG002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOIC-8
• Essence: Provides regulated output voltage for various electronic devices
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX887HESA+TG002 has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Regulated Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin
• FB: Feedback Pin
• NC: No Connection

Functional Features

• High efficiency voltage regulation
• Low dropout voltage ensures stable output even with low input voltage
• Thermal shutdown protection prevents overheating
• Short-circuit current limit protects the device from damage
• Low quiescent current extends battery life in portable applications

Advantages and Disadvantages

Advantages: - High efficiency operation - Small package size - Wide input voltage range - Low dropout voltage

Disadvantages: - Limited maximum output current - Requires external components for stability

Working Principles

The MAX887HESA+TG002 is a voltage regulator IC that maintains a stable output voltage regardless of fluctuations in the input voltage. It utilizes a feedback mechanism to continuously adjust the internal circuitry and provide a regulated output. The device operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly.

Detailed Application Field Plans

The MAX887HESA+TG002 is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of the MAX887HESA+TG002, maximizing battery life.
2. Industrial equipment: The IC's wide input voltage range and thermal shutdown protection make it suitable for use in industrial control systems, sensors, and instrumentation.
3. Automotive electronics: The device's small package size and ability to withstand a wide temperature range make it ideal for automotive applications, including infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and pin configuration.
• LT1763: Offers higher maximum output current and lower dropout voltage.
• TPS7A4700: Provides ultra-low noise performance for sensitive applications.

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

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