LD39030SJ28R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SJ28R (Surface Mount Package)
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.0V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LD39030SJ28R has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. VOUT: Output voltage pin
5. BYP: Bypass capacitor pin

Functional Features

• High efficiency voltage regulation
• Low dropout voltage for improved performance
• Built-in thermal shutdown protection
• Short-circuit current limiting
• Low quiescent current for power-saving applications
• Stable output voltage under varying load conditions

Advantages and Disadvantages

Advantages: - High efficiency operation - Small package size - Wide input voltage range - Low dropout voltage - Thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 300mA) - Requires external bypass capacitor for stability

Working Principles

The LD39030SJ28R is a voltage regulator IC that regulates the input voltage to provide a stable output voltage. It uses a feedback mechanism to continuously monitor the output voltage and adjust the internal circuitry to maintain the desired voltage level. The IC operates by comparing the output voltage with a reference voltage and adjusting the current flow accordingly.

Detailed Application Field Plans

The LD39030SJ28R is commonly used in various electronic devices and applications, including:

1. Mobile phones
2. Portable media players
3. Digital cameras
4. Wireless communication devices
5. Battery-powered devices
6. IoT (Internet of Things) devices
7. Automotive electronics
8. Industrial control systems

Detailed and Complete Alternative Models

1. LD39030SJ33R: Similar to LD39030SJ28R but with an output voltage range of 1.2V - 3.3V.
2. LD39030SJ50R: Similar to LD39030SJ28R but with an output voltage range of 1.2V - 5.0V and higher output current capacity of up to 500mA.
3. LD39030SJ12R: Similar to LD39030SJ28R but with an output voltage range of 1.2V - 1.8V.

These alternative models provide similar functionality and characteristics, allowing users to choose the appropriate voltage regulator based on their specific requirements.

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