LP5900SD-2.0/NOPB

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

The LP5900SD-2.0/NOPB is a fixed-output linear low-dropout regulator manufactured by Texas Instruments, providing a stable 2V output with a maximum load current of 150mA. It operates within an input voltage range of 2.5V to 5.5V and features a typical dropout voltage of 80mV at full load. The device incorporates an enable control feature and offers high power supply rejection ratio performance. Designed for surface-mount applications, it utilizes a compact 6-WSON package measuring 2.2x2.5mm. The component supports an extended operating temperature range from -40°C to +125°C and includes built-in thermal overload and short-circuit protection mechanisms.

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

• Provides a fixed positive 2V output with 150mA continuous current capability
• Features ultra-low quiescent current consumption for battery-powered efficiency
• Includes enable pin control for system power management
• Integrates comprehensive protection against thermal overload and output short circuits

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

• Portable consumer electronics requiring efficient voltage regulation
• Battery-operated devices needing low standby current consumption
• Embedded systems utilizing microcontrollers or sensors
• Wireless communication modules requiring clean power supplies

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

Verify the specific suffix designation when ordering, as the NOPB suffix indicates RoHS compliance and absence of certain hazardous substances. Confirm package availability in tape-and-reel or cut-tape formats based on production volume requirements. Ensure that the selected variant matches the required output voltage tolerance and thermal characteristics for the intended application environment.

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

Select this component when a fixed 2V rail is required with minimal footprint constraints. Consider the 150mA current limit for load demands and verify input voltage stability within the 2.5V to 5.5V window. Evaluate thermal dissipation needs given the small WSON package size. Compare quiescent current specifications against other LDOs if extended battery life is critical for the design.

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

This part belongs to the LP5900 series of low-noise, low-IQ LDO regulators from Texas Instruments. The series offers various fixed output voltages and packaging options to suit different power management needs. The SD suffix denotes the 6-WSON package type, distinguishing it from other form factors like the TL series which uses a smaller DSBGA package. This family is designed for space-constrained portable applications.

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

Direct substitutes include other LP5900 variants with different output voltages such as LP5900SD-3.3/NOPB or LP5900SD-2.8/NOPB, provided the circuit design accommodates the voltage change. Cross-family replacements may require verification of pin compatibility and electrical parameter alignment.