L6933H1.2

Product Overview

Category

L6933H1.2 belongs to the category of voltage regulators.

Use

The L6933H1.2 is used to regulate voltage in electronic circuits.

Characteristics

• Package: The L6933H1.2 comes in a compact surface-mount package.
• Essence: It is a high-performance voltage regulator designed for efficient power management.
• Packaging/Quantity: The L6933H1.2 is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

The specifications of the L6933H1.2 are as follows:

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V
• Output Current: Up to 3A
• Dropout Voltage: 300mV at 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L6933H1.2 has the following pin configuration:

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

Functional Features

The L6933H1.2 offers the following functional features:

• High efficiency: The voltage regulator provides excellent efficiency, reducing power dissipation and maximizing battery life.
• Low dropout voltage: With a low dropout voltage, the L6933H1.2 can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent protection: The device incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the circuitry.
• Thermal shutdown: In case of excessive temperature, the L6933H1.2 includes thermal shutdown protection to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

• High efficiency for power management.
• Low dropout voltage ensures stable output voltage.
• Overcurrent protection prevents circuit damage.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output voltage range (1.2V).

Working Principles

The L6933H1.2 operates based on a linear voltage regulation principle. It takes an input voltage within the specified range and regulates it to a constant 1.2V output voltage. The device achieves this by controlling the flow of current through its internal circuitry, adjusting it as necessary to maintain the desired output voltage.

Detailed Application Field Plans

The L6933H1.2 finds applications in various electronic devices and systems, including but not limited to:

1. Mobile devices: Used to regulate voltage for efficient power management in smartphones, tablets, and portable media players.
2. Industrial equipment: Employed in industrial control systems, motor drives, and automation equipment to ensure stable voltage supply.
3. Automotive electronics: Integrated into automotive systems such as infotainment systems, navigation units, and engine control modules to provide reliable voltage regulation.
4. Power supplies: Utilized in power supply units for computers, servers, and other electronic equipment to deliver stable and regulated voltage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the L6933H1.2 include:

1. LM317: A popular adjustable voltage regulator with a wide input voltage range and adjustable output voltage.
2. LT1086: A low dropout voltage regulator capable of delivering high currents with low quiescent current.
3. TPS7A47: An ultra-low noise, high PSRR voltage regulator suitable for sensitive audio and RF applications.

These alternative models can be considered depending on specific requirements and design constraints.

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