Manufacturer Part Number
TPS7A3301KC
Manufacturer
Texas Instruments
Introduction
The TPS7A3301KC is an adjustable negative output low-dropout (LDO) regulator from Texas Instruments, designed for power-sensitive applications requiring a high PSRR.
Product Features and Performance
Adjustable negative output voltage ranging from -1.18V to -33V
High power supply rejection ratio (PSRR) of 72dB at 10kHz
Maximum output current of 1A
Low dropout voltage of 0.8V at 1A load
Control features include enable and soft start for smooth operation
Integrated protection against overcurrent and overtemperature conditions
Product Advantages
High-efficiency operation due to low dropout voltage
Versatile output voltage adjustment for diverse application needs
Excellent noise suppression with high PSRR ideal for sensitive electronics
Enhanced reliability through robust protection features
Key Technical Parameters
Voltage Input (Max): -36V
Voltage Output (Min/Fixed): -1.18V
Voltage Output (Max): -33V
Voltage Dropout (Max): 0.8V @ 1A
Current Output: 1A
Current Quiescent (Iq): 100 µA
Current Supply (Max): 950 µA
PSRR: 72dB (10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current and Over Temperature protection
Designed for reliable operation in extreme temperatures from -40°C to 125°C
Compatibility
Mounting Type: Through Hole
Package / Case: TO-220-7
Supplier Device Package: TO-220-7
Application Areas
Telecommunications
Instruments requiring stable and precise voltages
Industrial controls
Product Lifecycle
Status: Obsolete
Replacement or upgrade solutions may need to be verified with Texas Instruments for continued support in active systems
Several Key Reasons to Choose This Product
Ideal for applications requiring stable and noise-free high-negative voltage outputs
High PSRR enhances performance in environments with considerable electrical noise
Low dropout enables efficient performance at closer input-output voltage differentials
Robust built-in protection features ensure product longevity even under adverse conditions
Offers flexibility in voltage adjustments paving way for use in multiple applications
Compatible with a wide range of temperatures, guaranteeing reliability across various operating conditions
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TPS7A3301RGWRTexas InstrumentsIC REG LIN NEG ADJ 1A 20VQFN