UCC35701PWTRG4

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: TSSOP-20

Essence: The UCC35701PWTRG4 is a power management IC designed for various applications that require high efficiency and low power consumption.

Packaging/Quantity: The UCC35701PWTRG4 is available in a TSSOP-20 package. It is typically sold in reels of 2500 units.

Specifications

The UCC35701PWTRG4 has the following specifications:

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Output Current: 1A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The UCC35701PWTRG4 has a TSSOP-20 package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for turning the IC on/off
6. SS/TR: Soft-start/Tracking pin for controlling startup behavior
7. VREF: Reference voltage output
8. VSENSE: Current sense input
9. PGND: Power ground
10. BST: Boost pin for driving the external MOSFET
11. SW: Switch node connection for the external MOSFET
12. AGND: Analog ground
13. AGND: Analog ground
14. AGND: Analog ground
15. AGND: Analog ground
16. AGND: Analog ground
17. AGND: Analog ground
18. AGND: Analog ground
19. AGND: Analog ground
20. AGND: Analog ground

Functional Features

The UCC35701PWTRG4 offers the following functional features:

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during operation.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings. - Wide input voltage range provides flexibility in various applications. - Overcurrent protection enhances system reliability. - Thermal shutdown protection increases the lifespan of the IC.

Disadvantages: - Limited maximum output current may restrict certain high-power applications. - The TSSOP-20 package may require additional space on the PCB compared to smaller packages.

Working Principles

The UCC35701PWTRG4 operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired voltage level. The compensation pin (COMP) is used to stabilize the control loop and ensure proper regulation. The enable pin (EN) allows for turning the IC on/off as needed.

Detailed Application Field Plans

The UCC35701PWTRG4 can be applied in various fields, including but not limited to:

1. Industrial automation systems
2. Telecommunications equipment
3. Automotive electronics
4. Power supplies
5. LED lighting systems
6. Battery charging circuits

Alternative Models

Here are some alternative models that offer similar functionality to the UCC35701PWTRG4:

1. LM2576-ADJ: Adjustable voltage step-down converter
2. LT8610AB: Synchronous buck converter with high efficiency
3. TPS54331: Wide input voltage range buck converter
4. MAX15062: High-current, wide input voltage range buck converter

These alternative models can be considered based on specific application requirements and availability.

Word count: 411 words