ISL9011AIRMMZ-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Low Quiescent Current - High PSRR (Power Supply Rejection Ratio) - Adjustable Output Voltage - Thermal Shutdown Protection

Package: 10-VFDFN Exposed Pad

Essence: The ISL9011AIRMMZ-T is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 17µA (typical)
• PSRR: 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9011AIRMMZ-T has the following pin configuration:

1. EN (Enable): Enable input pin to turn on/off the regulator.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin to set the desired output voltage.
4. VIN (Input Voltage): Input voltage supply pin.
5. VOUT (Output Voltage): Output voltage pin.
6. BYP (Bypass): Bypass capacitor connection pin for improved stability.
7. PG (Power Good): Power good indicator pin.
8. NC (No Connect): No connection pin.

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent current minimizes power consumption in standby or idle modes.
• High PSRR reduces the impact of power supply noise on the output voltage.
• Adjustable output voltage allows flexibility in meeting different device requirements.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Small package size saves board space in compact designs. - Low quiescent current extends battery life in portable applications. - Adjustable output voltage provides versatility for different system requirements.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may cause a significant voltage drop across the regulator.

Working Principles

The ISL9011AIRMMZ-T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance, maintaining a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The ISL9011AIRMMZ-T can be used in various applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Medical equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the ISL9011AIRMMZ-T include: - TPS7A05: Texas Instruments - MCP1700: Microchip Technology - LT1763: Analog Devices - NCP1117: ON Semiconductor

These alternatives offer similar functionality and can be considered based on specific application requirements.

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