ISL6504ACR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The ISL6504ACR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ISL6504ACR is typically sold in reels, with 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6504ACR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for gradual startup
8. PGND: Power ground pin

Functional Features

• High Efficiency: The ISL6504ACR utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low Dropout Voltage: The regulator maintains a low dropout voltage even under heavy load conditions, ensuring stable output voltage.
• Adjustable Output Voltage: The output voltage can be easily adjusted using the feedback pin, allowing flexibility in different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection to prevent damage to the device and connected components.
• Thermal Shutdown Protection: In case of excessive heat, the regulator automatically shuts down to protect itself from thermal damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Adjustable output voltage provides versatility - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum output current (500mA) - Requires external components for proper operation

Working Principles

The ISL6504ACR operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable output voltage. The feedback pin (FB) is used to adjust the output voltage according to the desired value. The regulator continuously monitors the output voltage and adjusts its internal circuitry to maintain a constant voltage despite changes in load or input voltage.

Detailed Application Field Plans

The ISL6504ACR is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wireless Communication: Bluetooth headsets, wireless earbuds, IoT devices.
3. Consumer Electronics: Digital cameras, portable gaming consoles, MP3 players.
4. Industrial Equipment: Measurement instruments, control systems, sensors.
5. Automotive Electronics: Infotainment systems, navigation devices, dashboard displays.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics.
2. LT1083: High-current linear regulator suitable for demanding applications.
3. TPS7A4700: Ultra-low noise, high PSRR voltage regulator for sensitive audio applications.
4. LM1117: Low dropout voltage regulator available in various fixed output voltages.

These alternative models offer similar functionality and can be considered as substitutes for the ISL6504ACR in different applications.

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