Manufacturer Part Number
TPS7A3901DSCR
Manufacturer
Texas Instruments
Introduction
The TPS7A3901DSCR is a dual LDO (Low Drop Out) regulator designed for power-sensitive applications.
Product Features and Performance
Dual (positive and negative) adjustable outputs
Wide input voltage range up to ±33V
Output voltage adjustable from 1.2V to 30V (positive) and 0V to -30V (negative)
Low dropout voltage: 0.5V @ 150mA
Output current capacity up to 150mA
Quiescent current of 150 µA
69dB Power Supply Rejection Ratio (PSRR) at 120Hz
Current limiting, enable, and soft start controls
Product Advantages
High-voltage input capability
Low quiescent current for power efficiency
Stable operation with ceramic capacitors
High PSRR for noise-sensitive applications
Thermal protection and UVLO for safety
Key Technical Parameters
Input Voltage (Max): ±33V
Output Voltage (Min/Fixed): 1.2V, 0V
Output Voltage (Max): 30V, -30V
Voltage Dropout (Max): 0.5V @ 150mA
Output Current: 150mA
Quiescent Current (Iq): 150 µA
Supply Current (Max): 904 µA
Quality and Safety Features
Over Temperature Protection
Under Voltage Lockout (UVLO)
Compatibility
Compatible with surface mount technology
Requires minimal external components
Application Areas
Industrial control systems
Precision analog circuits
Mixed-signal processing
Product Lifecycle
Active status
No current indication of discontinuation
Ongoing support and availability
Key Reasons to Choose This Product
Flexibility with adjustable positive and negative voltages
Efficient power management for applications requiring dual outputs
Robust protection features for reliable performance in adverse conditions
Improved signal integrity for precision applications
Texas Instruments' quality and industry-leading support
