PT8A974PE

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: 8-Pin PDIP (Plastic Dual In-Line Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PT8A974PE has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage
4. EN: Enable Pin
5. BYP: Bypass Capacitor
6. FB: Feedback Pin
7. NC: No Connection
8. VREF: Reference Voltage

Functional Features

• Low dropout voltage for efficient power conversion.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage through external resistors.
• Built-in thermal shutdown protection.
• Short-circuit current limiting for enhanced safety.

Advantages and Disadvantages

Advantages: - High efficiency resulting in reduced power consumption. - Compact 8-pin package for space-constrained designs. - Wide operating temperature range for reliable performance. - Built-in protection features ensure device longevity.

Disadvantages: - Limited output current compared to higher-power regulators. - Requires external components for precise voltage regulation.

Working Principles

The PT8A974PE is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to adjust the output voltage based on the reference voltage and the resistive divider network connected to the FB pin. The internal circuitry ensures efficient power conversion by minimizing dropout voltage and quiescent current.

Detailed Application Field Plans

The PT8A974PE is commonly used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables.
2. IoT (Internet of Things) devices: Enables efficient power management in smart home devices, sensors, and wireless communication modules.
3. Automotive electronics: Supports stable voltage supply for automotive infotainment systems, lighting controls, and engine management units.
4. Industrial equipment: Used in control systems, motor drives, and instrumentation devices that require reliable power regulation.

Detailed and Complete Alternative Models

1. PT8A973PE: Similar specifications and pin configuration, but with a lower output current capability.
2. PT8A975PE: Higher output current capability, suitable for applications requiring more power.
3. PT8A976PE: Adjustable output voltage range, allowing for greater flexibility in voltage selection.

Note: Please refer to the respective datasheets for detailed specifications and pin configurations of the alternative models.

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