ISL9011IRKKZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low dropout voltage regulator - High efficiency - Low quiescent current - Small package size - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: 16-Lead Thin Shrink Small Outline Package (TSSOP)

Essence: The ISL9011IRKKZ is a power management IC designed for low dropout voltage regulation in various electronic devices.

Packaging/Quantity: The ISL9011IRKKZ is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Dropout Voltage: 200mV at 150mA load current
• Quiescent Current: 17µA typical
• Output Current: Up to 150mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9011IRKKZ has a total of 16 pins, which are assigned specific functions as follows:

1. EN: Enable pin
2. GND: Ground
3. FB: Feedback pin
4. VOUT: Output voltage
5. VIN: Input voltage
6. SW: Switching node
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. VOUT: Output voltage

Functional Features

• Low dropout voltage: The ISL9011IRKKZ provides a low dropout voltage, ensuring efficient power regulation even when the input voltage is close to the desired output voltage.
• High efficiency: The IC is designed to maximize power conversion efficiency, reducing wasted energy and extending battery life in portable devices.
• Low quiescent current: With a low quiescent current, the ISL9011IRKKZ minimizes power consumption when the load is light or in standby mode.
• Overcurrent and thermal protection: The IC incorporates built-in protection mechanisms to prevent damage from excessive current or high temperatures.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for compatibility with various power sources. - Adjustable output voltage provides flexibility for different applications. - Small package size saves board space in compact designs. - High efficiency helps conserve battery life. - Overcurrent and thermal protection enhance reliability and safety.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation. - May require additional circuitry for specific application requirements.

Working Principles

The ISL9011IRKKZ operates as a low dropout voltage regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. This is achieved through a feedback mechanism that adjusts the internal pass transistor to control the output voltage based on the reference voltage and feedback signal.

Detailed Application Field Plans

The ISL9011IRKKZ can be used in various electronic devices that require low dropout voltage regulation, such as: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices - Battery-powered systems

Detailed and Complete Alternative Models

• ISL9001IRKKZ
• ISL9002IRKKZ
• ISL9003IRKKZ
• ISL9004IRKKZ
• ISL9005IRKKZ

These alternative models offer similar functionality and characteristics to the ISL9011IRKKZ, providing options for different design requirements.

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