ISL89165FBEAZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16 Ld QFN (3mmx3mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 1.5A
• Quiescent Current: 22µA (typical)
• Switching Frequency: 2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL89165FBEAZ has a 16-pin QFN package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS: Soft-Start Pin
6. PG: Power Good Indicator
7. SW: Switch Node
8. SW: Switch Node
9. SW: Switch Node
10. SW: Switch Node
11. VOUT: Output Voltage
12. VOUT: Output Voltage
13. VOUT: Output Voltage
14. VOUT: Output Voltage
15. VOUT: Output Voltage
16. VOUT: Output Voltage

Functional Features

• High efficiency voltage regulator
• Low quiescent current for power-saving applications
• Wide input voltage range for versatility
• Integrated soft-start feature for controlled startup
• Power good indicator for system monitoring

Advantages

• High efficiency results in reduced power consumption
• Low quiescent current prolongs battery life
• Wide input voltage range allows for compatibility with various power sources
• Integrated soft-start feature prevents excessive inrush current during startup
• Power good indicator provides system status information

Disadvantages

• Limited output current capacity (up to 1.5A)
• Relatively small package size may require careful handling during assembly

Working Principles

The ISL89165FBEAZ is a voltage regulator that takes an input voltage within the range of 2.7V to 5.5V and converts it to a regulated output voltage between 0.8V and 3.6V. It achieves this by utilizing a switching regulator architecture, which offers high efficiency and low power dissipation.

The device operates by continuously monitoring the output voltage and adjusting the duty cycle of the internal switch to maintain a stable output. The integrated soft-start feature ensures a controlled startup, preventing excessive inrush current that could damage the circuit or power source.

Detailed Application Field Plans

The ISL89165FBEAZ is commonly used in various applications where efficient power management is required. Some typical application fields include:

1. Portable electronic devices: Smartphones, tablets, portable media players.
2. Battery-powered systems: Wearable devices, wireless sensors, IoT devices.
3. Industrial equipment: Test and measurement instruments, control systems, motor drives.
4. Automotive electronics: Infotainment systems, lighting controls, power modules.

Detailed and Complete Alternative Models

1. ISL89160FBEAZ: Similar specifications, but lower output current capacity (up to 1A).
2. ISL89161FBEAZ: Higher output current capacity (up to 2A), but slightly larger package size (4mmx4mm).
3. ISL89162FBEAZ: Lower quiescent current (15µA typical), suitable for ultra-low power applications.
4. ISL89163FBEAZ: Higher input voltage range (up to 36V), ideal for automotive and industrial applications.

(Note: The above alternative models are provided for reference and may have different specifications or package options. Please refer to the respective datasheets for detailed information.)

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