Manufacturer Part Number
TPS7A03185PDQNR
Manufacturer
Texas Instruments
Introduction
The TPS7A03185PDQNR is a low-dropout linear regulator designed for power management, particularly in applications requiring a fixed 1.8V output with a maximum input of 6V. It is a robust solution packaged for surface mounting.
Product Features and Performance
Fixed output linear regulator
LDO (Low Drop Out) suitable for lower voltage differences between input and output
Positive output configuration
Maximum output current of 200mA
Voltage Dropout at max 0.45V @ 200mA
Excellent ripple rejection of 55dB at 1kHz
Product Advantages
Ultra-low quiescent current of 300 nA contributing to energy efficiency
High PSRR suitable for noise-sensitive applications
Protection features including Over Current, Over Temperature, and UVLO (Under Voltage Lockout)
Key Technical Parameters
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.8V
Current Output: 200mA
Voltage Dropout (Max): 0.45V @ 200mA
Current Quiescent (Iq): 300 nA
PSRR: 55dB (1kHz)
Quality and Safety Features
Over Current protection
Over Temperature protection
Under Voltage Lockout (UVLO)
Compatibility
Compatible with applications requiring up to 6V input and a fixed 1.8V output
Surface Mount compatible with 4-XDFN Exposed Pad
Application Areas
Portable and battery-powered devices
IoT devices
Medical devices
Precision instrumentation
Product Lifecycle
Active product status
Not nearing discontinuation
Long-term availability expected
Several Key Reasons to Choose This Product
High efficiency due to low quiescent current and dropout voltage
Excellent line and load regulation preserves device integrity under varying operational conditions
Comprehensive protection features enhance product reliability and safety
Suitable for compact designs due to small package size
Versatile across multiple applications due to thermal and electrical characteristics