ISL9003IEJZ-T

Product Overview

Category: Integrated Voltage Regulator
Use: Power management
Characteristics: High efficiency, low quiescent current, small package size
Package: 10 Ld 2x2 DFN (0.9mm max height)
Essence: Voltage regulator IC
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
• Output Current: Up to 300mA
• Quiescent Current: 17µA (typical)
• 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 pin
5. VOUT: Output voltage
6. SW: Switching node
7. PG: Power good indicator
8. NC: No connection
9. NC: No connection
10. VOUT: Output voltage

Functional Features

• Integrated low dropout linear regulator
• Wide input voltage range for various applications
• Low quiescent current for power-saving operation
• Excellent load and line regulation
• Overcurrent and thermal protection
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency helps conserve battery life - Small package size saves board space - Wide input voltage range allows flexibility in design - Power good indicator enhances system reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The ISL9003IEJZ-T is an integrated voltage regulator designed to provide a stable output voltage from a varying input voltage source. It utilizes a low dropout linear regulator architecture, which ensures efficient power conversion with minimal voltage drop across the device.

The regulator operates by comparing the feedback voltage (FB) with a reference voltage to regulate the output voltage (VOUT). The enable pin (EN) controls the operation of the regulator, allowing it to be turned on or off as needed. The switching node (SW) handles the power conversion process, while the power good indicator (PG) provides a signal indicating the output voltage is within the desired range.

Detailed Application Field Plans

The ISL9003IEJZ-T is suitable for a wide range of applications that require efficient power management. Some potential application fields include:

1. Portable electronic devices: Smartphones, tablets, portable media players
2. Wearable devices: Fitness trackers, smartwatches
3. IoT devices: Sensors, wireless modules
4. Battery-powered systems: Medical devices, handheld instruments
5. Industrial equipment: Data loggers, control systems

Detailed and Complete Alternative Models

1. ISL9003IEJZ-T-TR: Same specifications and features as ISL9003IEJZ-T, but available in tape and reel packaging with 3000 units per reel.
2. ISL9003IEJZ-T7A: Similar specifications and features as ISL9003IEJZ-T, but with extended temperature range (-40°C to +125°C).

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