UCC3973PW
- Created at: 2023-10-29 14:30:10 , by WikiIC
- Updated at: 2023-10-29 14:30:10
- Views: 6
UCC3973PW
Product Overview
Category
UCC3973PW belongs to the category of integrated circuits (ICs).
Use
This product is primarily used in power management applications.
Characteristics
- UCC3973PW is a high-performance voltage mode PWM controller.
- It operates at a wide input voltage range, making it suitable for various power supply designs.
- The device offers excellent line and load regulation, ensuring stable output voltages.
- It incorporates protection features such as overvoltage, undervoltage, and overcurrent protection.
- UCC3973PW is designed to provide efficient power conversion with minimal power loss.
Package
The UCC3973PW comes in a standard 20-pin TSSOP package.
Essence
The essence of UCC3973PW lies in its ability to regulate and control power supply voltages efficiently.
Packaging/Quantity
The UCC3973PW is typically packaged in reels containing 250 units.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: 0.8V to 55V
- Maximum Switching Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
- Control Method: Voltage Mode PWM
- Protection Features: Overvoltage, Undervoltage, Overcurrent
Detailed Pin Configuration
The UCC3973PW has the following pin configuration:
- VCC: Power supply input
- GND: Ground reference
- FB: Feedback input for voltage regulation
- COMP: Compensation pin for stability control
- CS: Current sense input
- RT/CT: Timing components connection
- SS/TR: Soft-start and tracking control
- EN: Enable pin for device operation
- PGND: Power ground reference
- VREF: Reference voltage output
- SYNC: Synchronization input
- SS/TR: Soft-start and tracking control
- RT/CT: Timing components connection
- CS: Current sense input
- COMP: Compensation pin for stability control
- FB: Feedback input for voltage regulation
- GND: Ground reference
- VCC: Power supply input
- NC: No connection
- NC: No connection
Functional Features
- Voltage mode PWM control for precise regulation.
- Wide input voltage range allows for versatile power supply designs.
- Excellent line and load regulation ensure stable output voltages.
- Overvoltage, undervoltage, and overcurrent protection enhance system reliability.
- Soft-start and tracking control for smooth power-up sequences.
Advantages and Disadvantages
Advantages
- Wide input voltage range enables flexibility in power supply design.
- Excellent regulation ensures stable output voltages.
- Protection features enhance system reliability.
- Soft-start and tracking control facilitate smooth power-up sequences.
Disadvantages
- Limited to voltage mode PWM control method.
- May require additional external components for specific applications.
Working Principles
The UCC3973PW operates based on the voltage mode PWM control method. It compares the feedback voltage with a reference voltage to generate an error signal. This error signal is then amplified and used to control the duty cycle of the PWM signal, which regulates the output voltage. By adjusting the duty cycle, the UCC3973PW maintains the desired output voltage despite variations in input voltage or load conditions.
Detailed Application Field Plans
The UCC3973PW finds applications in various fields, including:
- Power supplies for industrial equipment.
- Automotive electronics.
- Telecommunications infrastructure.
- Renewable energy systems.
- Consumer electronics.
Detailed and Complete Alternative Models
- UCC3972PW: Similar to UCC3973PW but with a different pin configuration.
- UCC3974PW: Enhanced version with additional protection features.
- UCC3975PW: Higher switching frequency variant for specific applications.
These alternative models offer similar functionality and can be considered as substitutes for the UCC3973PW in various applications.
In conclusion, the UCC3973PW is a high-performance voltage mode PWM controller used in power management applications. Its wide input voltage range, excellent regulation, and protection features make it suitable for diverse power supply designs. With its functional features, advantages, and detailed application field plans, the UCC3973PW provides an efficient solution for power conversion needs.
List 10 common questions and answers related to the application of UCC3973PW in technical solutions
Sure! Here are 10 common questions and answers related to the application of UCC3973PW in technical solutions:
Q: What is UCC3973PW? A: UCC3973PW is a specific model of integrated circuit (IC) used for power management applications.
Q: What are the typical applications of UCC3973PW? A: UCC3973PW is commonly used in various technical solutions such as power supplies, battery chargers, motor control systems, and LED lighting.
Q: What is the input voltage range supported by UCC3973PW? A: UCC3973PW typically supports an input voltage range of 4.5V to 60V.
Q: What is the output voltage range provided by UCC3973PW? A: The output voltage range of UCC3973PW can be adjusted from 0.8V to 55V.
Q: Does UCC3973PW have built-in protection features? A: Yes, UCC3973PW offers various protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
Q: Can UCC3973PW handle high currents? A: Yes, UCC3973PW has a high current capability and can handle currents up to several amps depending on the specific application.
Q: Is UCC3973PW suitable for both step-up (boost) and step-down (buck) applications? A: Yes, UCC3973PW is a versatile IC that can be used for both step-up and step-down voltage conversion applications.
Q: Does UCC3973PW require any external components for operation? A: Yes, UCC3973PW requires external components such as inductors, capacitors, and resistors to form a complete power management solution.
Q: Can UCC3973PW operate in a wide temperature range? A: Yes, UCC3973PW is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C.
Q: Is UCC3973PW readily available for purchase? A: Availability may vary, but UCC3973PW can be purchased from various electronic component distributors or directly from the manufacturer's website.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of UCC3973PW.
- https://chipmlcc.ru/product/details/texas-instruments/ucc3973pw.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- https://www.chipmlcc.com/product/details/texas-instruments/ucc3973pw.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- Audio Special Purpose
- Clock/Timing - Application Specific
- Clock/Timing - Clock Buffers, Drivers
- Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
- Clock/Timing - Delay Lines
- Clock/Timing - IC Batteries
- Clock/Timing - Programmable Timers and Oscillators
- Clock/Timing - Real Time Clocks
- Data Acquisition - ADCs/DACs - Special Purpose
- Data Acquisition - Analog Front End (AFE)
- Data Acquisition - Analog to Digital Converters (ADC)
- Data Acquisition - Digital Potentiometers
- Data Acquisition - Digital to Analog Converters (DAC)
- Data Acquisition - Touch Screen Controllers
- Embedded - CPLDs (Complex Programmable Logic Devices)
- Embedded - DSP (Digital Signal Processors)
- Embedded - FPGAs (Field Programmable Gate Array)
- Embedded - FPGAs (Field Programmable Gate Array) with Microcontrollers
- Embedded - Microcontroller, Microprocessor, FPGA Modules
- Embedded - Microcontrollers
- Embedded - Microcontrollers - Application Specific
- Embedded - Microprocessors
- Embedded - PLDs (Programmable Logic Device)
- Embedded - System On Chip (SoC)
- Interface - Analog Switches - Special Purpose
- Interface - Analog Switches, Multiplexers, Demultiplexers
- Interface - CODECs
- Interface - Controllers
- Interface - Direct Digital Synthesis (DDS)
- Interface - Drivers, Receivers, Transceivers
- Interface - Encoders, Decoders, Converters
- Interface - Filters - Active
- Interface - I/O Expanders
- Interface - Modems - ICs and Modules
- Interface - Modules
- Interface - Sensor and Detector Interfaces
- Interface - Sensor, Capacitive Touch
- Interface - Serializers, Deserializers
- Interface - Signal Buffers, Repeaters, Splitters
- Interface - Signal Terminators
- Interface - Specialized
- Interface - Telecom
- Interface - UARTs (Universal Asynchronous Receiver Transmitter)
- Interface - Voice Record and Playback
- Linear - Amplifiers - Audio
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
- Linear - Amplifiers - Special Purpose
- Linear - Amplifiers - Video Amps and Modules
- Linear - Analog Multipliers, Dividers
- Linear - Comparators
- Linear - Video Processing
- Logic - Buffers, Drivers, Receivers, Transceivers
- Logic - Comparators
- Logic - Counters, Dividers
- Logic - FIFOs Memory
- Logic - Flip Flops
- Logic - Gates and Inverters
- Logic - Gates and Inverters - Multi-Function, Configurable
- Logic - Latches
- Logic - Multivibrators
- Logic - Parity Generators and Checkers
- Logic - Shift Registers
- Logic - Signal Switches, Multiplexers, Decoders
- Logic - Specialty Logic
- Logic - Translators, Level Shifters
- Logic - Universal Bus Functions
- Memory
- Memory - Batteries
- Memory - Configuration Proms for FPGAs
- Memory - Controllers
- PMIC - AC DC Converters, Offline Switchers
- PMIC - Battery Chargers
- PMIC - Battery Management
- PMIC - Current Regulation/Management
- PMIC - Display Drivers
- PMIC - Energy Metering
- PMIC - Full, Half-Bridge Drivers
- PMIC - Gate Drivers
- PMIC - Hot Swap Controllers
- PMIC - Laser Drivers
- PMIC - LED Drivers
- PMIC - Lighting, Ballast Controllers
- PMIC - Motor Drivers, Controllers
- PMIC - OR Controllers, Ideal Diodes
- PMIC - PFC (Power Factor Correction)
- PMIC - Power Distribution Switches, Load Drivers
- PMIC - Power Management - Specialized
- PMIC - Power Over Ethernet (PoE) Controllers
- PMIC - Power Supply Controllers, Monitors
- PMIC - RMS to DC Converters
- PMIC - Supervisors
- PMIC - Thermal Management
- PMIC - V/F and F/V Converters
- PMIC - Voltage Reference
- PMIC - Voltage Regulators - DC DC Switching Controllers
- PMIC - Voltage Regulators - DC DC Switching Regulators
- PMIC - Voltage Regulators - Linear
- PMIC - Voltage Regulators - Linear + Switching
- PMIC - Voltage Regulators - Linear Regulator Controllers
- PMIC - Voltage Regulators - Special Purpose
- Specialized ICs
- ClockTiming - Application Specific
- ClockTiming - Clock Buffers, Drivers
- ClockTiming - Clock Generators, PLLs, Frequency Synthesizers
- ClockTiming - Delay Lines
- ClockTiming - IC Batteries
- ClockTiming - Programmable Timers and Oscillators
- ClockTiming - Real Time Clocks
- Data Acquisition - ADCsDACs - Special Purpose
- Embedded - Microcontroller or Microprocessor Modules
- Interface - IO Expanders
- PMIC - Current RegulationManagement
- PMIC - VF and FV Converters
- PMIC - Voltage Regulators - Linear Transistor Driver