EZ1117CST285TRT

Product Overview

• Category: Voltage Regulator
• Use: To regulate voltage in electronic circuits
• Characteristics: Low dropout, high accuracy, low quiescent current
• Package: SOT-223
• Essence: Linear regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 15V
• Output Voltage: 2.85V
• Output Current: Up to 1A
• Dropout Voltage: 1.2V (typical)
• Quiescent Current: 5mA (typical)
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The EZ1117CST285TRT has the following pin configuration:

• Pin 1: Input Voltage (VIN)
• Pin 2: Ground (GND)
• Pin 3: Output Voltage (VOUT)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption when the load is light.
• Overcurrent and thermal protection safeguards the device and connected circuitry.

Advantages

• Easy to use and integrate into various electronic circuits.
• Stable and reliable voltage regulation.
• Wide input voltage range allows for versatile applications.
• Compact package size saves board space.
• Cost-effective solution for voltage regulation needs.

Disadvantages

• Limited output current capacity compared to some other voltage regulators.
• Dropout voltage may cause efficiency concerns in certain applications.
• Sensitive to input voltage fluctuations, requiring additional filtering components in noisy environments.

Working Principles

The EZ1117CST285TRT is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage and adjusting the pass transistor accordingly. This feedback mechanism ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The EZ1117CST285TRT is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Communication equipment: Ensures stable voltage supply for RF modules, transceivers, and signal processing circuits.
3. Automotive electronics: Regulates voltage for automotive control units, infotainment systems, and lighting modules.
4. Industrial automation: Used in PLCs, motor control systems, and sensor interfaces.
5. Consumer electronics: Found in audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

1. LM1117-2.85: Similar specifications and pin configuration, available in different package options.
2. LT1086CT-2.85: Higher output current capability, wider operating temperature range.
3. TPS7A4700RGWT: Ultra-low dropout voltage, higher accuracy, adjustable output voltage.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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