ISL89164FBECZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-Lead QFN
• 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
• Maximum Output Current: 1.5A
• Quiescent Current: 25µA
• Switching Frequency: 1.5MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL89164FBECZ has a 16-lead QFN package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. COMP: Compensation Pin
6. VOUT: Output Voltage
7. PGND: Power Ground
8. SW: Switch Node
9. SW: Switch Node
10. SW: Switch Node
11. SW: Switch Node
12. SW: Switch Node
13. SW: Switch Node
14. SW: Switch Node
15. SW: Switch Node
16. SW: Switch Node

Functional Features

• High Efficiency: The ISL89164FBECZ offers high efficiency power conversion, minimizing energy loss.
• Low Quiescent Current: With a quiescent current of only 25µA, it ensures minimal power consumption during standby or idle mode.
• Fast Transient Response: The voltage regulator provides a fast transient response, maintaining stability during load changes.
• Overcurrent Protection: It incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for reduced power consumption - Fast transient response for stability during load changes - Overcurrent protection for circuit safety

Disadvantages: - Limited output current capacity (maximum 1.5A) - Restricted input voltage range (2.7V to 5.5V)

Working Principles

The ISL89164FBECZ is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It utilizes a switching frequency of 1.5MHz to efficiently step down the input voltage while minimizing energy loss. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The compensation pin (COMP) ensures proper loop stability and transient response.

Detailed Application Field Plans

The ISL89164FBECZ finds applications in various fields, including:

1. Portable Electronics: It can be used in smartphones, tablets, and portable gaming devices to regulate the voltage for different components.
2. IoT Devices: The IC is suitable for IoT devices such as smartwatches, fitness trackers, and home automation systems, providing efficient power management.
3. Industrial Automation: It can be employed in industrial control systems, motor drives, and robotics to ensure stable and reliable power supply.
4. Automotive Electronics: The voltage regulator is applicable in automotive electronics, including infotainment systems, navigation units, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed output voltage of 3.3V and a maximum output current of 800mA.
2. TPS54331: Another option offering a wide input voltage range (4.5V to 28V) and a maximum output current of 3A.
3. LT1763: This alternative provides a low dropout voltage, making it suitable for applications requiring precise regulation.

(Note: The above list is not exhaustive and serves as an example of alternative models.)

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