1Z3UM Product Overview

Product Category

The 1Z3UM belongs to the category of electronic components, specifically as a voltage regulator integrated circuit.

Basic Information Overview

• Use: The 1Z3UM is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: It is known for its high precision and low dropout voltage, making it suitable for applications requiring stable power supply.
• Package: The 1Z3UM is available in a small surface-mount package, allowing for easy integration into compact electronic designs.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic devices and systems.
• Packaging/Quantity: Typically, the 1Z3UM is supplied in reels containing a specific quantity based on manufacturer specifications.

Specifications

• Input Voltage Range: 3V to 20V
• Output Voltage Range: 1.2V to 18V
• Maximum Output Current: 1.5A
• Dropout Voltage: 0.3V at 1A load
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-223

Detailed Pin Configuration

The 1Z3UM features a standard SOT-223 pin configuration with three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference of the system. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite variations in the input voltage.
• Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
• Thermal Shutdown: Protects the device from overheating by shutting down when the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage
• Compact package size
• Overcurrent protection
• Thermal shutdown feature

Disadvantages

• Limited maximum output current compared to some alternative models
• Higher cost compared to basic linear regulators

Working Principles

The 1Z3UM utilizes a feedback control mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage. This is achieved through the use of a voltage divider network and an error amplifier.

Detailed Application Field Plans

The 1Z3UM is widely used in various electronic applications, including: - Portable electronic devices - Battery-powered systems - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the 1Z3UM include: - LM317: A popular adjustable linear voltage regulator with higher output current capability. - LM1117: Another fixed voltage regulator with lower dropout voltage. - LT1086: Offers higher output current and lower dropout voltage compared to the 1Z3UM.

In conclusion, the 1Z3UM serves as a reliable voltage regulator with precise control and thermal protection, finding extensive use in diverse electronic systems and devices.

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