ISL9000IRJNZ-T

Product Overview

Category: Integrated Voltage Regulator
Use: Power management
Characteristics: High efficiency, low noise, compact size
Package: QFN (Quad Flat No-Lead)
Essence: Voltage regulator IC
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Output Current: Up to 1A
• Efficiency: Up to 95%
• Quiescent Current: 25µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9000IRJNZ-T has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input voltage
2. EN: Enable pin
3. PG: Power good indicator
4. FB: Feedback voltage input
5. VOUT: Output voltage
6. GND: Ground
7. SW: Switching node
8. BST: Boost capacitor connection
9. AGND: Analog ground
10. SS: Soft-start capacitor connection
11. COMP: Compensation pin
12. VREF: Reference voltage output
13. ISET: Output current setting
14. NC: No connect
15. NC: No connect
16. VIN: Input voltage

Functional Features

• Integrated synchronous buck-boost architecture
• Wide input voltage range for versatile applications
• Adjustable output voltage through feedback voltage input
• Low quiescent current for power-saving operation
• Power good indicator for system monitoring
• Overcurrent and thermal protection for enhanced reliability
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Low noise output for sensitive applications - Compact size allows for space-saving designs - Wide input voltage range accommodates various power sources - Overcurrent and thermal protection enhance system reliability

Disadvantages: - Limited output current capacity (up to 1A) - Not suitable for high-power applications

Working Principles

The ISL9000IRJNZ-T is an integrated voltage regulator that utilizes a synchronous buck-boost architecture. It takes an input voltage within the range of 2.7V to 5.5V and converts it to an adjustable output voltage between 0.6V and 3.6V. The regulator operates with high efficiency, up to 95%, minimizing power losses.

The device features a feedback mechanism that adjusts the output voltage based on the desired value set through the FB pin. It also includes overcurrent and thermal protection mechanisms to ensure safe operation under varying load conditions.

Detailed Application Field Plans

The ISL9000IRJNZ-T is widely used in various applications that require efficient power management. Some of the common application fields include:

1. Portable electronic devices: The compact size and low quiescent current make it suitable for smartphones, tablets, and wearable devices.
2. IoT (Internet of Things) devices: With its wide input voltage range, it can be used in battery-powered IoT devices that operate on different power sources.
3. Industrial equipment: The regulator's high efficiency and reliability make it suitable for industrial control systems, sensors, and automation equipment.
4. Automotive electronics: It can be utilized in automotive applications such as infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. ISL9000IRJZ-T: Similar to ISL9000IRJNZ-T, but without the power good indicator.
2. ISL9000IRJZ-TR5567: Same as ISL9000IRJZ-T, but packaged in a different reel quantity (5567 units per reel).
3. ISL9000IRJNZ-TEVAL1Z: Evaluation board for testing and prototyping purposes.

These alternative models provide similar functionality and can be considered based on specific requirements and availability.

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