Manufacturer Part Number
TPS70458PWP
Manufacturer
Texas Instruments
Introduction
Dual-output, low-dropout (LDO) linear voltage regulator designed for power-sensitive applications
Product Features and Performance
Dual LDO with fixed outputs of 3.3V and 2.5V
Low dropout voltage of 0.25V at 1A load
Current output capacity of 1A for channel one, 2A for channel two
Quiescent current of 250 µA for power efficiency
Power supply rejection ratio (PSRR) of 65dB and 60dB at 1kHz
Control features such as enable, power good, reset, and sequencing for versatile power management
Protection features against overcurrent, overtemperature, reverse polarity, under voltage lockout (UVLO)
Wide operating temperature range from -40°C to 125°C
Surface mount 24-PowerTSSOP package for compact PCB design
Product Advantages
Dual regulated outputs for reduced component count
High integration with control and protection features
Low dropout improves efficiency under varying load conditions
Robust thermal and fault protection ensures reliability in harsh conditions
Key Technical Parameters
Voltage - Input (Max): 6V
Voltage - Output (Min/Fixed): 3.3V, 2.5V
Current - Output: 1A, 2A
Current - Quiescent (Iq): 250 µA
PSRR: 65dB (1kHz), 60dB (1kHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Reverse polarity protection
Under voltage lockout
Compatibility
Designed for surface mount technology with a standard 24-HTSSOP package
Application Areas
Precision power supply for microprocessors, microcontrollers, and DSPs
Telecommunications
Networking equipment
Portable and battery-powered electronics
Product Lifecycle
Product Status: Active
Includes information on replacements or upgrades if nearing discontinuation
Several Key Reasons to Choose This Product
Stable power supply due to precise fixed outputs and low dropout
Enhanced system reliability with comprehensive protection features
Ideal for noise-sensitive applications due to excellent PSRR
Flexible power management with integrated controls addressing multiple needs
Widely applicable in a range of industries given robust operating temperature range and protection mechanisms
TPS70530DRTexas Instruments