EL7531IYZ-T7

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-Lead TSSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current: Up to 1A
• Quiescent Current: 30µA (typical)
• Efficiency: Up to 95%
• Switching Frequency: 1.5MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EL7531IYZ-T7 IC has a 16-Lead TSSOP package with the following pin configuration:

1. EN - Enable Pin
2. FB - Feedback Pin
3. GND - Ground
4. SW - Switching Node
5. SW - Switching Node
6. PG - Power Good Indicator
7. VOUT - Output Voltage
8. VOUT - Output Voltage
9. VOUT - Output Voltage
10. VOUT - Output Voltage
11. VOUT - Output Voltage
12. VOUT - Output Voltage
13. VOUT - Output Voltage
14. VIN - Input Voltage
15. VIN - Input Voltage
16. VIN - Input Voltage

Functional Features

• High efficiency voltage regulation for various applications
• Low quiescent current for improved power efficiency
• Wide input voltage range allows flexibility in power supply selection
• Power good indicator for monitoring output voltage stability
• Enable pin for easy on/off control

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Low quiescent current prolongs battery life - Wide input voltage range accommodates different power sources - Power good indicator ensures stable output voltage - Enable pin allows convenient control of the IC

Disadvantages: - Limited output current capacity (up to 1A) - Requires external components for proper operation

Working Principles

The EL7531IYZ-T7 is a voltage regulator IC that converts an input voltage within the range of 2.5V to 5.5V into a regulated output voltage between 0.6V and VIN. It achieves this by utilizing a switching regulator topology, which offers high efficiency and low power dissipation.

The IC operates by continuously switching an internal power transistor on and off at a high frequency of 1.5MHz. This switching action controls the energy flow from the input to the output, allowing the IC to maintain a stable output voltage despite variations in the input voltage.

By adjusting the feedback voltage through the FB pin, the output voltage can be set to the desired level. The enable pin (EN) provides a means to turn the IC on or off, while the power good indicator (PG) signals when the output voltage is within the specified range.

Detailed Application Field Plans

The EL7531IYZ-T7 is suitable for various applications that require efficient voltage regulation. Some potential application fields include:

1. Portable Electronics: Powering smartphones, tablets, and other battery-operated devices.
2. IoT Devices: Providing stable power supply to sensors, microcontrollers, and communication modules.
3. Industrial Automation: Regulating voltage for control systems, motor drives, and sensors.
4. Automotive Electronics: Powering infotainment systems, lighting, and other automotive components.
5. Home Automation: Regulating voltage for smart home devices, lighting systems, and security systems.

Detailed and Complete Alternative Models

1. LM2576-ADJ: Adjustable Output Voltage, 3A Switching Regulator
2. LT1763-3.3: Fixed Output Voltage (3.3V), Low Dropout Linear Regulator
3. TPS54331-Q1: Automotive Grade, Synchronous Buck Converter, 3.5A Output Current

These alternative models offer similar functionality to the EL7531IYZ-T7 and can be considered as substitutes based on specific requirements.

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