LP3995ILD-3.0

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

The LP3995ILD-3.0 is a micropower 150mA CMOS voltage regulator manufactured by Texas Instruments, designed for portable battery-powered applications. It provides an accurate 3.0V output with low noise and low quiescent current. The device operates within an input voltage range of 2.5V to 6.0V and features logic-controlled enable functionality for active shutdown. It incorporates thermal-overload and short-circuit protection mechanisms. The component is housed in a compact 6-pin WSON package (NGD) and is stable when used with small ceramic capacitors.

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

• Logic-controlled enable function allows the system to extend battery lifetime by reducing power consumption to virtually zero during disable states.
• Fast turn-off capability utilizes an internal active discharge circuit on the output for rapid device shutdown.
• Internal protection circuits guard against short-circuit currents and over-temperature conditions.
• Designed for stability with small 1.0µF ceramic output capacitors, minimizing board space requirements.

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

• GSM Portable Phones
• CDMA Cellular Handsets
• Wideband CDMA Cellular Handsets
• Bluetooth Devices
• Portable Information Appliances

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

Verify the specific ordering suffix 'ILD' corresponds to the required 6-pin WSON package configuration. Confirm that the 'NOPB' designation aligns with RoHS compliance requirements for your manufacturing process. Ensure the fixed 3.0V output voltage matches the target load specifications before finalizing procurement orders.

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

Select this component for designs requiring fast turn-off speeds and minimal board area due to its small outline package. Consider the 88°C/W junction-to-ambient thermal resistance for thermal management calculations. Verify compatibility with 1.0µF X7R ceramic output capacitors to ensure stability across the specified operating temperature range.

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

This part belongs to the LP3995 family of micropower linear regulators from Texas Instruments. The series is engineered specifically for portable electronics where maximizing battery life and minimizing physical footprint are critical design constraints. It serves as a low-dropout solution for powering sensitive RF and analog devices within mobile communication hardware.

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

LP3995ITL-3.0/NOPB: Alternative DSBGA package version with identical electrical characteristics.

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

How does the LP3995 achieve fast turn-off?

The device incorporates an active discharge circuit on the output that rapidly discharges the output capacitor via an internal FET when the enable pin is driven low.

What type of output capacitor is recommended for stability?

The LP3995 is designed to be stable with small 1.0µF ceramic capacitors, specifically those with dielectric types such as X7R, Y5V, or Z5U.