SMZJ3804BHE3/5B

Introduction

The SMZJ3804BHE3/5B is a semiconductor product belonging to the category of voltage regulators. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: The SMZJ3804BHE3/5B is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: This regulator is known for its high efficiency, low dropout voltage, and excellent line and load regulation.
• Package: The SMZJ3804BHE3/5B is available in a compact surface-mount package, making it suitable for space-constrained applications.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic devices and systems.
• Packaging/Quantity: It is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%

Detailed Pin Configuration

The SMZJ3804BHE3/5B has a standard 5-pin SOT-23 package with the following pin configuration: 1. VIN: Input Voltage 2. GND: Ground 3. NC: No Connection 4. VOUT: Output Voltage 5. EN: Enable Pin

Functional Features

• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes.
• Short-Circuit Protection: Safeguards the regulator and downstream components from damage in case of a short circuit.
• Thermal Shutdown: Prevents overheating by shutting down the regulator if the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Operating Temperature Range
• Small Package Size
• Low Quiescent Current

Disadvantages

• Limited Output Current Capacity
• Restricted Input Voltage Range

Working Principles

The SMZJ3804BHE3/5B operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the pass device to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The SMZJ3804BHE3/5B is commonly used in portable electronic devices, battery-powered systems, and IoT (Internet of Things) applications where maintaining a stable supply voltage is critical for proper operation. It is also suitable for use in sensor modules, handheld instruments, and low-power microcontroller-based designs.

Detailed and Complete Alternative Models

• SMZJ3804BHE3/5C: Similar specifications with minor variations in output voltage and current capacity.
• SMZJ3804BHE3/5D: Higher output current capacity with slightly different dropout voltage characteristics.

In conclusion, the SMZJ3804BHE3/5B is a versatile voltage regulator offering high efficiency and stable performance in a compact form factor. Its application spans across various electronic systems, particularly those requiring precise voltage regulation in challenging operating conditions.

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