ISL9012IRLLZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output accuracy - Low quiescent current - Wide input voltage range - Thermal shutdown protection

Package: LLP (Leadless Package)

Essence: The ISL9012IRLLZ-T is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ISL9012IRLLZ-T is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Dropout Voltage: 200mV at 150mA load current
• Quiescent Current: 17µA (typical)
• Output Accuracy: ±1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9012IRLLZ-T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High output accuracy provides a stable and precise output voltage.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Wide input voltage range allows compatibility with various power sources.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Efficient power conversion - Stable and precise output voltage - Low power consumption - Wide compatibility with different power sources - Protection against excessive temperature

Disadvantages: - Limited output voltage range (0.8V to 3.6V) - Not suitable for high-power applications

Working Principles

The ISL9012IRLLZ-T operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output pins, maintaining a constant voltage difference. The internal circuitry of the IC ensures stable operation and protection against overvoltage, undervoltage, and excessive temperature.

Detailed Application Field Plans

The ISL9012IRLLZ-T is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile devices: Smartphones, tablets, portable media players.
2. Wearable devices: Smartwatches, fitness trackers, wireless earbuds.
3. IoT devices: Sensors, smart home devices, connected appliances.
4. Industrial equipment: Measurement instruments, control systems, robotics.
5. Automotive electronics: Infotainment systems, navigation devices, lighting controls.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. TPS7A4700: Offers higher output current capability and wider input voltage range.
3. LT1763: Provides lower dropout voltage and higher output accuracy.

These alternative models can be considered based on specific requirements and design constraints.

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