ISL9003AIEHZ-T

Product Overview

Category: Integrated Voltage Regulator
Use: Power management
Characteristics: High efficiency, low noise, small package size
Package: 16 Ld eTQFN (2mmx2mm)
Essence: Voltage regulator with integrated power MOSFETs
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 25µA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. FB: Feedback voltage
5. VOUT: Output voltage
6. SW: Switching node
7. PG: Power good indicator

Functional Features

• Integrated power MOSFETs for high efficiency
• Low dropout voltage for improved performance
• Wide input voltage range for versatility
• Power good indicator for system monitoring
• Enable pin for easy control
• Overcurrent and thermal protection for reliability

Advantages

• High efficiency results in reduced power consumption
• Small package size saves board space
• Low noise output ensures stable operation
• Wide input voltage range allows for flexibility in power sources
• Integrated power MOSFETs simplify design and reduce external components

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Operating temperature range may restrict usage in extreme environments

Working Principles

The ISL9003AIEHZ-T is an integrated voltage regulator that converts an input voltage within the range of 2.5V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It utilizes integrated power MOSFETs to achieve high efficiency and low dropout voltage. The device operates by continuously monitoring the feedback voltage and adjusting the switching frequency to maintain a stable output voltage.

Detailed Application Field Plans

The ISL9003AIEHZ-T is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its small package size and high efficiency make it ideal for space-constrained applications where power management is crucial. Additionally, its low noise output ensures stable operation of sensitive components, making it suitable for audio and communication systems.

Detailed and Complete Alternative Models

1. ISL9003AIENZ-T: Similar specifications and features, different package (8 Ld eTDFN)
2. ISL9003AIEVZ-T: Higher maximum output current (500mA), otherwise similar specifications and features
3. ISL9003AIEJZ-T: Lower quiescent current (10µA), otherwise similar specifications and features

These alternative models provide options with varying package sizes, output currents, and quiescent currents, allowing designers to choose the most suitable option for their specific application requirements.

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