LD39030ADTPU28R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Regulator
• Package: DFN-8 (2x2 mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 45µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD39030ADTPU28R has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in various applications
• Low quiescent current for power-saving operation
• Built-in thermal shutdown protection
• Short-circuit and overcurrent protection

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures minimal power loss - Wide input voltage range provides versatility - Compact package size saves board space - Thermal shutdown protection prevents overheating - Short-circuit and overcurrent protection enhance reliability

Disadvantages: - Maximum output current may be insufficient for high-power applications - Limited number of pins restricts additional functionality

Working Principles

The LD39030ADTPU28R is a low dropout voltage regulator that maintains a stable output voltage despite variations in the input voltage. It achieves this by using a pass transistor to regulate the voltage difference between the input and output.

When the input voltage exceeds the desired output voltage, the pass transistor reduces the voltage to maintain the set output level. Conversely, when the input voltage drops below the desired output voltage, the pass transistor adjusts accordingly to ensure a constant output.

Detailed Application Field Plans

The LD39030ADTPU28R is commonly used in various applications, including but not limited to:

1. Battery-powered devices
2. Portable electronics
3. IoT (Internet of Things) devices
4. Wearable technology
5. Automotive electronics
6. Industrial control systems

Detailed and Complete Alternative Models

1. LD39030ADTPU33R: Similar specifications, but with a fixed output voltage of 3.3V
2. LD39030ADTPU50R: Similar specifications, but with a fixed output voltage of 5.0V
3. LD39030ADTPU18R: Similar specifications, but with a fixed output voltage of 1.8V
4. LD39030ADTPU12R: Similar specifications, but with a fixed output voltage of 1.2V

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and features as the LD39030ADTPU28R.

In conclusion, the LD39030ADTPU28R is a low dropout regulator IC designed for efficient power management in various applications. Its compact size, wide input voltage range, and built-in protection features make it a versatile choice for many electronic devices.