TPS70251PWPR

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The TPS70251PWPR is a dual-output low dropout voltage regulator from Texas Instruments, housed in a 20-pin HTSSOP package. It provides fixed output voltages of 3.3V and 1.8V with maximum output currents of 500mA and 250mA, respectively. The device operates within an input voltage range of 2.7V to 6V and features an integrated Secondary Voltage Supervisor (SVS). Key electrical parameters include a typical dropout voltage of 0.17V at 500mA and a maximum of 0.275V. It maintains a static current of 190µA and supports operation across a temperature range of -40°C to 125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrates a secondary voltage supervisor for enhanced system monitoring capabilities
• Provides independent dual-channel regulation with distinct current capacities
• Includes comprehensive protection mechanisms against overcurrent, thermal overload, and reverse polarity

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable electronic devices requiring multiple stable power rails
• Embedded systems utilizing microcontrollers and memory components
• Industrial control units operating in extreme temperature environments

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix 'G4' when sourcing equivalents, as it denotes lead-free compliance. Confirm the package type matches the required PCB footprint. Ensure the manufacturer documentation aligns with the exact part number to avoid discrepancies in pinout or electrical characteristics during integration.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a compact solution is needed for generating two distinct voltage levels from a single source. It is suitable for designs prioritizing low quiescent current and high reliability. Consider the thermal performance of the HTSSOP package relative to the expected load conditions and ambient temperature constraints.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the TPS702 series of dual-output LDO regulators. It shares architectural similarities with models like the TPS70245 and TPS70258 but differs in fixed output configurations. The series is designed for space-constrained applications requiring efficient power management and robust supervision features.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

The TPS70251PWPRG4 is a verified equivalent variant offering identical functionality with RoHS compliance.