Manufacturer Part Number
UCC38C45P
Manufacturer
Texas Instruments
Introduction
The UCC38C45P is a performance-enhanced BiCMOS version with pin-for-pin compatibility to the industry standard UC384x series and UC384x series of PWM controllers.
Product Features and Performance
BiCMOS process technology
Low startup and operating current
High current totem pole output for driving a power MOSFET
High frequency operation up to 1MHz
Trimmed oscillator discharge current
Increased undervoltage lockout Hysteresis (1V)
PWM operation with voltage or current mode control
Soft start
Product Advantages
Reduced power consumption due to BiCMOS technology
Stable high-frequency operation for improved efficiency
Compatibility with a range of supply voltages
Versatile design suitable for various converter topologies
Enhanced system reliability due to built-in features like soft start
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 7.6V ~ 18V
Frequency - Switching: Up to 1MHz
Duty Cycle (Max): 48%
Operating Temperature: 0°C ~ 70°C (TJ)
Number of Outputs: 1
Output Phases: 1
Output Type: Transistor Driver
Function: Step-Up, Step-Up/Step-Down
Output Configuration: Positive
Topology: Boost, Flyback, Forward Converter
Quality and Safety Features
Built-in undervoltage lockout with hysteresis
High current drive output stage for robust power transistor handling
Compatibility
Through-hole mounting for easy integration into existing designs
8-DIP package compatible with standard PCB layouts
Application Areas
Switching power supplies
Power converters
Battery chargers
Power control circuits
Product Lifecycle
Obsolete product status
Consideration for system design changes or searching for alternative newer generation parts may be necessary
Several Key Reasons to Choose This Product
High switching frequencies reducing the size of components like inductors and capacitors
Can support various converter designs (boost, flyback, forward)
Enhanced performance due to BiCMOS technology
Low power consumption aids in energy-efficient design
Texas Instruments' reputation for reliable and quality semiconductor products
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