PL502-39UQC-R

Product Overview

Category: Electronic Component
Use: Power Management
Characteristics: High Efficiency, Multiple Outputs
Package: QFN (Quad Flat No-Lead)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Number of Outputs: 3
• Output Current: Up to 3A per output
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PL502-39UQC-R features a 20-pin QFN package with the following pin configuration:

1. VIN1: Input voltage for channel 1
2. VIN2: Input voltage for channel 2
3. VIN3: Input voltage for channel 3
4. GND: Ground
5. SW1: Switch node for channel 1
6. SW2: Switch node for channel 2
7. SW3: Switch node for channel 3
8. FB1: Feedback node for channel 1
9. FB2: Feedback node for channel 2
10. FB3: Feedback node for channel 3
11. EN1: Enable pin for channel 1
12. EN2: Enable pin for channel 2
13. EN3: Enable pin for channel 3
14. PG1: Power good indicator for channel 1
15. PG2: Power good indicator for channel 2
16. PG3: Power good indicator for channel 3
17. VOUT1: Output voltage for channel 1
18. VOUT2: Output voltage for channel 2
19. VOUT3: Output voltage for channel 3
20. VIN: Input voltage common

Functional Features

• High efficiency power management solution
• Three independent voltage regulator channels
• Wide input voltage range for versatile applications
• Adjustable output voltage for each channel
• Power good indicators for each channel
• Enable pins for individual channel control
• Overcurrent and thermal protection

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Multiple outputs allow for flexible power distribution - Wide input voltage range accommodates various power sources - Adjustable output voltages cater to different load requirements - Power good indicators provide system status monitoring - Enable pins enable selective channel operation - Overcurrent and thermal protection ensure device safety

Disadvantages: - Limited number of outputs may not be suitable for complex systems requiring more channels - Higher switching frequency may introduce additional noise in sensitive applications

Working Principles

The PL502-39UQC-R is a voltage regulator designed for power management applications. It utilizes a high-efficiency switching topology to convert the input voltage to multiple regulated output voltages. The device operates by controlling the duty cycle of internal switches to maintain the desired output voltage levels. Feedback loops continuously monitor the output voltages and adjust the duty cycle accordingly. The PL502-39UQC-R also incorporates overcurrent and thermal protection mechanisms to safeguard against abnormal operating conditions.

Detailed Application Field Plans

The PL502-39UQC-R finds application in various fields, including but not limited to:

1. Industrial Automation: Provides regulated power for control systems, sensors, and actuators.
2. Telecommunications: Suitable for powering network equipment, routers, and communication modules.
3. Automotive Electronics: Used in automotive infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).
4. Consumer Electronics: Enables efficient power management in smartphones, tablets, and portable devices.
5. Internet of Things (IoT): Supports power supply requirements for IoT devices, smart home automation, and wearable technology.

Detailed and Complete Alternative Models

1. PL501-39UQC-R: Similar to PL502-39UQC-R but with two output channels instead of three.
2. PL503-39UQC-R: Similar to PL502-39UQC-R but with four output channels instead of three.
3. PL502-39UQC-S: Same functionality as PL502-39UQC-R but in a different package (SOIC instead of QFN).

These alternative models offer similar features and can be considered based on specific application requirements.

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