EL7556DCMZ-T13

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Low dropout voltage
  • Adjustable output voltage
  • Overcurrent and thermal protection
• Package: DFN-8 (3x3mm)
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EL7556DCMZ-T13 has a total of 8 pins arranged as follows:

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| | --| VOUT EN|-- --| GND FB |-- --| VIN NC |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• FB: Feedback pin for adjusting the output voltage
• EN: Enable pin to control the regulator's operation
• VOUT: Output voltage pin
• NC: No connection pin

Functional Features

• High Efficiency: The EL7556DCMZ-T13 offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 500mA, this IC can maintain stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage within a specified range, providing flexibility for various applications.
• Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current or temperature conditions.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Adjustable output voltage offers versatility - Overcurrent and thermal protection ensure device safety

Disadvantages: - Limited output current capacity (up to 500mA) - Requires external components for proper operation

Working Principles

The EL7556DCMZ-T13 is a voltage regulator IC that operates by maintaining a stable output voltage regardless of variations in the input voltage. It achieves this through an internal control circuit that adjusts the pass transistor's resistance based on the feedback received from the output voltage. By continuously monitoring and adjusting the pass transistor, the IC ensures a constant output voltage within the specified range.

Detailed Application Field Plans

The EL7556DCMZ-T13 finds application in various fields, including but not limited to:

1. Portable Electronics:

   • Smartphones
   • Tablets
   • Wearable devices

2. Industrial Automation:

   • Sensor modules
   • Motor control systems
   • Power supplies

3. Automotive Electronics:

   • Infotainment systems
   • Advanced driver-assistance systems (ADAS)
   • Lighting control

4. IoT Devices:

   • Home automation
   • Environmental monitoring
   • Security systems

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar characteristics and package.
2. LT1763-5: Fixed 5V voltage regulator with low dropout voltage.
3. TPS79633: Adjustable voltage regulator with high PSRR (Power Supply Rejection Ratio).

These alternative models offer similar functionality and can be considered as substitutes for the EL7556DCMZ-T13 in various applications.

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