TPS77301DGK

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

The TPS77301DGK is a low-dropout voltage regulator from the TPS773xx family, manufactured by Texas Instruments. It provides an adjustable output voltage ranging from 1.5 V to 5.5 V and supports a maximum continuous output current of 250 mA. The device operates with an input voltage range of 2.7 V to 10 V and features a typical dropout voltage of 200 mV at full load. It incorporates an integrated open-drain power-on reset function with a 220-ms delay. The regulator utilizes an 8-pin MSOP (DGK) package and maintains a typical quiescent current of 92 µA.

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

• Integrated open-drain power-on reset output that initiates system reset upon undervoltage conditions
• Low noise performance without requiring external filter capacitors
• Fast transient response capability for handling large load current changes
• High-precision output voltage tolerance over specified line, load, and temperature ranges

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

• Supply voltage supervision in microprocessor systems
• Power-on reset generation for DSPs and microcomputers
• Battery-powered equipment requiring extended operating life
• Systems needing fast transient response under varying load conditions

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

Verify the specific suffix 'AGF' against the manufacturer's official documentation to confirm the exact revision level and tape-and-reel specifications. Ensure the component matches the original datasheet SLVS281E requirements for lead-free processing if RoHS compliance is mandatory for the target application.

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

Select this component when an adjustable output voltage between 1.5 V and 5.5 V is required alongside an integrated reset signal. It is suitable for designs prioritizing low quiescent current and high precision. Consider the 8-pin MSOP package constraints and ensure adequate thermal management for the expected power dissipation levels within the operating temperature range.

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

This part belongs to the TPS77x3xx family of 250-mA LDO regulators featuring integrated reset outputs. It shares the same physical DGK package and core PMOS pass element architecture as other fixed-voltage variants like the TPS77333DGK. The primary distinction lies in its programmable output configuration via external resistors rather than a fixed internal reference setting.

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

TPS77401DGK: Offers identical electrical characteristics but includes a Power Good (PG) status output instead of a Reset output.