Manufacturer Part Number
TPS40077PWP
Manufacturer
Texas Instruments
Introduction
The TPS40077PWP is a high-performance step-down DC DC Switching Controller, designed for power management applications, encased in a Power TSSOP package for surface mount technology.
Product Features and Performance
Single output transistor driver
Step-down (buck) topology
Positive output configuration
Supports a supply voltage ranging from 4.5V to 28V
Switching frequency up to 1MHz
Maximum duty cycle of 93%
Features synchronous rectification for enhanced efficiency
Integrated current limit, frequency control, power good, and soft start features
Product Advantages
High efficiency and reduced heat generation due to synchronous rectification
Flexible design applicable to a wide range of input voltages
Fast switching capabilities lead to reduced size of passive components
Enhanced system reliability through built-in protective features
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Voltage Supply (Vcc/Vdd): 4.5V ~ 28V
Frequency Switching: Up to 1MHz
Duty Cycle (Max): 93%
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Over-current protection
Frequency stabilization in varying load conditions
Thermal shutdown for high-temperature situations
Compatibility
Compatible with a variety of capacitor types and inductor sizes
Usable with a broad range of external MOSFETs
Application Areas
Power supply modules
Distributed power systems
Communication equipment
Computing devices
Product Lifecycle
Status: Active
No reported discontinuation; replacements and upgrades available
Several Key Reasons to Choose This Product
High efficiency design ensures low power loss and minimal heat generation
Wide input voltage range accommodates multiple applications
Fast switching frequency allows for smaller component size, saving space
Comprehensive protection features increase product reliability and longevity
Produced by Texas Instruments, a leader in semiconductor solutions
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