PT8A3519APEX

Product Overview

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PT8A3519APEX has a 16-pin TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS: Soft-Start Pin
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. VOUT: Output Voltage
15. VOUT: Output Voltage
16. VOUT: Output Voltage

Functional Features

• High efficiency power management solution
• Low power consumption for extended battery life
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Soft-start feature for controlled startup
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power wastage
• Low power consumption extends battery life
• Wide input voltage range allows for compatibility with various power sources
• Adjustable output voltage provides flexibility in different applications
• Soft-start feature prevents sudden current surges during startup
• Power good indicator enables system monitoring and fault detection

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications
• Dropout voltage of 200mV at 1A may result in slight voltage drop across the regulator

Working Principles

The PT8A3519APEX is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.6V. It achieves this by utilizing internal circuitry to maintain a stable output voltage despite variations in the input voltage.

The device operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the output voltage accordingly. The enable pin (EN) controls the operation of the regulator, allowing it to be turned on or off as required. The soft-start pin (SS) ensures a controlled startup, gradually ramping up the output voltage to prevent excessive current surges.

Detailed Application Field Plans

The PT8A3519APEX is commonly used in various electronic devices and systems where efficient power management is crucial. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Technology: Smartwatches, fitness trackers, augmented reality glasses.
3. IoT Devices: Home automation systems, smart sensors, connected appliances.
4. Portable Gaming Consoles: Handheld gaming devices, gaming accessories.
5. Industrial Equipment: Battery-powered tools, measurement instruments, control systems.

Detailed and Complete Alternative Models

1. PT8A3519BPEX: Similar to PT8A3519APEX, but with enhanced output current capability of 2A.
2. PT8A3520APEX: Voltage regulator IC with adjustable output voltage and higher maximum output current of 3A.
3. PT8A3521APEX: Step-down voltage regulator with integrated power good indicator and low quiescent current.

These alternative models offer similar functionality to the PT8A3519APEX but may have different specifications or additional features to suit specific application requirements.

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