ZXSC440X8TA

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
  • Low quiescent current
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Line Regulation: ±0.3%
• Load Regulation: ±0.5%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ZXSC440X8TA has a standard SOT-23-5 package with the following pin configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
• High efficiency minimizes power dissipation and extends battery life in portable devices.
• Low quiescent current reduces standby power consumption.
• Excellent line and load regulation provide a stable output voltage under varying conditions.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - High efficiency results in reduced heat generation. - Low quiescent current prolongs battery life.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The ZXSC440X8TA is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) allows for easy on/off control of the regulator.

Detailed Application Field Plans

The ZXSC440X8TA is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT (Internet of Things) devices - Automotive applications - Industrial control systems

Detailed and Complete Alternative Models

• ZXSC400: Similar specifications, different package (SOT-89)
• ZXSC420: Higher maximum output current (300mA), similar package (SOT-23-5)
• ZXSC430: Lower dropout voltage (150mV at 100mA), similar package (SOT-23-5)
• ZXSC450: Higher maximum output current (500mA), similar package (SOT-23-5)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

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