EL7556DCMZ

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage, small package size
Package: DFN (Dual Flat No-Lead)
Essence: Regulates input voltage to a stable output voltage
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.5V to 5.5V
Output Voltage Range: 1.2V to 3.3V
Dropout Voltage: 200mV at 500mA
Maximum Output Current: 500mA
Quiescent Current: 50µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EL7556DCMZ has the following pin configuration:

VIN: Input Voltage
GND: Ground
EN: Enable Pin
FB: Feedback Pin
VOUT: Output Voltage

Functional Features

Low dropout voltage ensures efficient power conversion.
Wide input voltage range allows for versatile applications.
Enable pin provides control over the regulator's operation.
Feedback pin enables precise output voltage regulation.

Advantages

High efficiency results in reduced power dissipation.
Small package size saves board space.
Wide input voltage range accommodates various power sources.
Low dropout voltage minimizes power loss.

Disadvantages

Limited maximum output current may restrict certain applications.
Operating temperature range might not be suitable for extreme environments.

Working Principles

The EL7556DCMZ is a linear voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism to adjust the internal pass transistor, ensuring the desired output voltage is maintained. The regulator operates in a low dropout mode, allowing it to regulate even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The EL7556DCMZ is commonly used in various applications, including:

Battery-powered devices: Provides stable voltage for portable electronics.
IoT devices: Regulates power supply for connected devices.
Automotive electronics: Ensures reliable voltage for vehicle systems.
Industrial equipment: Maintains consistent voltage for control systems.

Detailed and Complete Alternative Models

LM1117-3.3: Similar voltage regulator with higher maximum output current.
LT1763-3.3: Low dropout voltage regulator with adjustable output voltage.
TPS79633: High-performance voltage regulator with thermal shutdown protection.

These alternative models offer similar functionality to the EL7556DCMZ but may have different specifications or package options.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van EL7556DCMZ in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of EL7556DCMZ in technical solutions:

Q: What is EL7556DCMZ? A: EL7556DCMZ is a specific model of DC/DC converter integrated circuit (IC) manufactured by Intersil.
Q: What is the input voltage range for EL7556DCMZ? A: The input voltage range for EL7556DCMZ is typically between 2.7V and 5.5V.
Q: What is the output voltage range for EL7556DCMZ? A: The output voltage range for EL7556DCMZ can be adjusted from 0.8V to 5.5V using external resistors.
Q: What is the maximum output current of EL7556DCMZ? A: The maximum output current of EL7556DCMZ is typically around 600mA.
Q: Can EL7556DCMZ operate with both step-up and step-down configurations? A: Yes, EL7556DCMZ can be used in both step-up (boost) and step-down (buck) configurations.
Q: Does EL7556DCMZ have built-in protection features? A: Yes, EL7556DCMZ includes various protection features like overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: What is the efficiency of EL7556DCMZ? A: The efficiency of EL7556DCMZ depends on the input/output voltage levels and load conditions but can typically reach up to 90%.
Q: Can EL7556DCMZ be used in battery-powered applications? A: Yes, EL7556DCMZ is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.
Q: What type of package does EL7556DCMZ come in? A: EL7556DCMZ is available in a small surface-mount 8-pin DFN (Dual Flat No-Lead) package.
Q: Are there any application notes or reference designs available for EL7556DCMZ? A: Yes, Intersil provides application notes and reference designs on their website that can help with the implementation of EL7556DCMZ in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.