Manufacturer Part Number
TPS7A9401DSCR
Manufacturer
Texas Instruments
Introduction
The TPS7A9401DSCR is a low dropout linear regulator with adjustable output.
Product Features and Performance
Adjustable output voltage from 0V to 5.5V
Low dropout voltage of 0.24V at 1A load
Output current capability of 1A
Low quiescent current of 22 mA
High PSRR of 51dB at 1MHz
Includes current limit, enable, power good, and soft start features
Thermal shutdown and overcurrent protection
Under Voltage Lockout (UVLO) feature
Product Advantages
Highly accurate voltage regulation
Excellent transient response
Low power consumption
Built-in protection features enhance safety
Soft start reduces in-rush current
Key Technical Parameters
Input Voltage (Max): 5.7V
Output Voltage (Min/Fixed): 0V
Output Voltage (Max): 5.5V
Dropout Voltage (Max): 0.24V @ 1A
Output Current: 1A
Quiescent Current (Iq): 22 mA
Supply Current (Max): 51 mA
Power Supply Rejection Ratio (PSRR): 51dB at 1MHz
Quality and Safety Features
Overcurrent protection
Thermal shutdown
Under Voltage Lockout (UVLO)
Compatibility
Compatible with a wide range of microcontrollers and digital systems
Surface mount 10-WFDFN Exposed Pad Package for PCB applications
Application Areas
Telecommunications
Networking equipment
Consumer electronics
Portable devices
Industrial controls
Product Lifecycle
Active status product
Not currently nearing discontinuation
Replacements or upgrades may be available in the Texas Instruments LDO Regulator portfolio
Several Key Reasons to Choose This Product
Optimal power management for sensitive electronics
Enhanced reliability due to built-in protection features
Minimized power loss due to low dropout design
Versatile usability across a wide range of electronics
Suitable for industrial-grade applications with -40°C to 125°C operating temperature range
Ease of integration with standard surface mount packaging