LP2983IM5X-1.2/NOPB

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

The LP2983IM5X-1.2/NOPB is a micropower 150 mA voltage regulator manufactured by Texas Instruments, formerly National Semiconductor. It provides a fixed positive output of 1.2V in a compact SOT-23 package. The device features low quiescent current and high power supply rejection ratio (PSRR). It is designed for use with very low ESR output capacitors and includes protection against overcurrent, thermal overload, and short circuits.

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

• Micropower operation with low quiescent current consumption
• Fixed 1.2V positive output voltage capability
• Designed for compatibility with very low ESR output capacitors
• Integrated protection functions including overcurrent and thermal shutdown

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

• Battery-powered portable electronic devices
• Low dropout linear regulation applications
• Micropower system voltage regulation
• Embedded systems requiring stable 1.2V reference

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

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the RoHS compliant status indicated by the NOPB suffix. Ensure the package type matches the required SOT-23 footprint. Check for lead-free specifications if required by assembly processes. Validate the fixed 1.2V output configuration against design requirements.

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

Select this component when a fixed 1.2V output is required with minimal static current draw. Consider the 150mA maximum output current limit for load requirements. Evaluate the need for low ESR capacitor compatibility to ensure stability. Review the thermal performance characteristics for the intended operating environment. Compare PSRR specifications against noise sensitivity requirements.

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

This part belongs to the LP2983 series of micropower voltage regulators. It represents the transition from National Semiconductor to Texas Instruments product lines. The device is part of a family offering various fixed output voltages. It utilizes a small outline transistor package for space-constrained designs.

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

LP2983IM5-1.2/NOPB is a direct replacement variant. Verify pinout compatibility before substitution. Confirm identical electrical parameters for seamless integration.