TLV707185ADQNR

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

The TLV707185ADQNR is a fixed-output low-dropout linear regulator from Texas Instruments, providing a nominal output voltage of 1.85 V with a maximum continuous output current of 200 mA. It features a typical quiescent current of 25 μA and supports an input voltage range from 2.0 V to 5.5 V. The device offers high power-supply rejection ratio performance, achieving 70 dB at 100 Hz and 50 dB at 1 MHz. It maintains a typical DC output accuracy of 0.5% and operates within a junction temperature range of -40°C to +125°C. The regulator is housed in a compact 1-mm × 1-mm DQN (X2SON) package.

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

• Provides stable regulation with effective output capacitance as low as 0.1 μF, enabling the use of cost-effective ceramic capacitors with higher bias voltage and temperature derating characteristics.
• Integrates active protection mechanisms including thermal shutdown and internal current limiting to ensure safety during fault conditions or overload scenarios.
• Features an enable pin that allows for precise control of the regulator state, supporting direct connection to processor GPIOs with logic levels above 0.9 V.

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

• Smart phones and wireless handsets
• Gaming and toys
• Wearable electronics

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

Verify the specific suffix 'A' against the manufacturer's official documentation to confirm if it denotes a specific accuracy grade or revision variant distinct from the standard TLV707 series. Ensure the ordering part number matches the exact package type and tape/reel specifications required for your assembly process. Cross-reference the datasheet revision history to confirm the availability of the 'A' designation in the latest production data.

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

Select this component when designing portable systems requiring a fixed 1.85 V rail with minimal quiescent current consumption. The low dropout voltage capability allows operation with small input-to-output voltage differentials, maximizing battery life. Consider the 0.1 μF stability requirement to optimize bill of materials by utilizing smaller footprint capacitors without compromising circuit stability under varying load and temperature conditions.

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

This device belongs to the TLV707 series of low-quiescent-current, low-noise LDO regulators designed specifically for space-constrained portable applications. The series includes various fixed output voltage options ranging from 0.85 V to 5.0 V. All variants share common architectural features such as PMOS pass transistors, thermal protection, and compatibility with standard ceramic output capacitors, ensuring consistent performance across the product family.

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

Direct substitutes within the same series include other TLV707xxDQNR part numbers with different fixed output voltages, provided the system voltage requirements are adjusted accordingly. For functional replacements, verify that alternative LDOs support similar quiescent current levels, output current capabilities, and stability requirements with low-value ceramic capacitors to maintain board layout compatibility.