XC6705B291GR-G

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

The XC6705B291GR-G is a fixed-output low dropout (LDO) voltage regulator manufactured by Torex Semiconductor. It provides a stable 2.9 V output with a maximum continuous current of 200 mA. The device supports an input voltage range up to 20 V and operates within a temperature range of -40°C to +105°C. Key electrical specifications include a typical quiescent supply current of 1.2 µA, a typical power supply rejection ratio (PSRR) of 50 dB, and a line regulation of 0.02 %/V. The package type is USP-4-5.

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

• Integrates a built-in capacitor discharge circuit for safe shutdown operations
• Features high-speed response characteristics for dynamic load conditions
• Includes internal protection mechanisms against overcurrent and thermal overload

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

• Battery-powered portable electronic devices requiring ultra-low standby current
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Microcontroller unit (MCU) core voltage regulation in compact form factors

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

Verify the specific suffix 'GR-G' corresponds to the USP-4-5 package and RoHS compliance status directly from the official Torex Semiconductor datasheet. Confirm that the lead time and availability align with current distributor listings, as stock levels fluctuate. Ensure the ordering information matches the exact part number variant required for your bill of materials to avoid pinout or functional mismatches.

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

Select this component when a fixed 2.9 V rail is needed with minimal ground current consumption. The USP-4-5 package suits space-constrained designs. Verify that the input voltage remains within the 20 V absolute maximum rating and that the thermal dissipation capabilities of the PCB layout can handle the power loss at the expected load current and ambient temperature.

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

This part belongs to the XC6705 series of high-speed LDO regulators designed for low-power applications. The series is characterized by its ability to maintain stability with small external capacitors and its integrated discharge function. The 'B' designation typically indicates specific performance grades or package variations within the broader XC6705 family offered by Torex Semiconductor.

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

Direct substitutes may include other XC6705 series variants with different output voltages but identical pinouts, such as XC6705A291GR-G, provided the built-in CL discharge feature is required. Cross-referencing with other manufacturers requires verifying equivalent PSRR, quiescent current, and package dimensions.