Manufacturer Part Number
TPS71257DRCR
Manufacturer
Texas Instruments
Introduction
The TPS71257DRCR is a Power Management Integrated Circuit (PMIC) focused on providing efficient linear voltage regulation.
Product Features and Performance
Dual LDO Regulators
Low Dropout Voltage: 0.4V at 500mA
Power Supply Rejection Ratio (PSRR): 59dB to 54dB at 120Hz
Enable and Power Good Control Features
Over Temperature and Reverse Polarity Protection
Under Voltage Lockout (UVLO) for Safety
Operational from -40°C to 125°C
Product Advantages
High PSRR for stable output
Low Iq increases the efficiency for battery-operated devices
Multiple built-in protection features enhance device safety and longevity
Key Technical Parameters
Number of Regulators: 2
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 2.85V
Current - Output: 250mA
Current - Quiescent (Iq): 250 µA
Current - Supply (Max): 600 µA
Quality and Safety Features
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
The device comes in a surface mount 10-VSON (3x3) package, compatible with automated PCB assembly.
Application Areas
Portable Electronics
Battery-Powered Equipment
Telecommunication Systems
Consumer Electronics
Product Lifecycle
The product status is Active, not indicating near discontinuation. Details on replacements or upgrades should be checked with Texas Instruments for the most current information.
Several Key Reasons to Choose This Product
Two LDOs offered in a compact package, saving board space
Low dropout enables operation in low-headroom applications
Multiple control and protection features ensure reliable and continuous operation
Suitable for a wide range of operating temperatures, giving design flexibility for various environments
High PSRR offers clean and stable voltage for sensitive electronic circuits
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