AL5809-150P1-7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: 4.5V to 60V - Output Voltage: 1.5V - Maximum Output Current: 500mA - Dropout Voltage: 300mV at 500mA - Low Quiescent Current: 50µA - Adjustable Soft-Start Time - Thermal Shutdown Protection - Short-Circuit Protection - Overcurrent Protection

Package: TO-252-3 (DPAK)

Essence: The AL5809-150P1-7 is a voltage regulator IC designed to provide a stable output voltage of 1.5V from a wide input voltage range of 4.5V to 60V. It offers various protection features and low quiescent current, making it suitable for applications requiring efficient voltage regulation.

Packaging/Quantity: The AL5809-150P1-7 is available in a TO-252-3 package, also known as DPAK (Discrete Package). It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage: 1.5V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 50µA
• Soft-Start Time: Adjustable
• Thermal Shutdown: Yes
• Short-Circuit Protection: Yes
• Overcurrent Protection: Yes

Pin Configuration

The AL5809-150P1-7 has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Input Voltage (VIN) --| VOUT NC |-- Pin 2: Output Voltage (VOUT) --| EN PGND |-- Pin 3: Enable (EN) / Power Ground (PGND) |___________| ```

Functional Features

1. Wide Input Voltage Range: The AL5809-150P1-7 can accept input voltages ranging from 4.5V to 60V, allowing it to be used in a variety of applications.

2. Stable Output Voltage: It provides a regulated output voltage of 1.5V, ensuring a consistent power supply for connected devices.

3. Low Quiescent Current: With a quiescent current of only 50µA, the IC minimizes power consumption when the load is light or idle.

4. Protection Mechanisms: The AL5809-150P1-7 incorporates thermal shutdown, short-circuit protection, and overcurrent protection to safeguard the circuit and connected components.

5. Adjustable Soft-Start Time: The soft-start feature allows for a gradual increase in output voltage during startup, preventing sudden voltage spikes that could damage sensitive components.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables versatile application possibilities. - Stable output voltage ensures reliable performance. - Low quiescent current reduces power consumption. - Protection mechanisms enhance circuit reliability. - Adjustable soft-start time prevents voltage spikes.

Disadvantages: - Limited maximum output current of 500mA may not be sufficient for high-power applications. - Dropout voltage of 300mV at 500mA may cause a slight voltage drop across the regulator.

Working Principles

The AL5809-150P1-7 operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable 1.5V output.

Application Field Plans

The AL5809-150P1-7 can be used in various applications, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunications equipment - Power management modules

Alternative Models

Some alternative models that offer similar functionality to the AL5809-150P1-7 include: - LM1117-1.5: A popular voltage regulator IC with a fixed 1.5V output. - LT1763-1.5: A low dropout voltage regulator capable of providing a stable 1.5V output. - TPS7A4901-1.5: An ultra-low noise, high PSRR voltage regulator offering a fixed 1.5V output.

These alternatives may have different package options, input/output voltage ranges, or additional features, allowing users to choose the most suitable option for their specific requirements.

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