LP5952TL-1.8/NOPB

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

The LP5952TL-1.8/NOPB is a dual-rail linear regulator from Texas Instruments featuring a fixed 1.8 V output. It supports an input voltage range of 0.7 V to 4.5 V and delivers up to 350 mA of output current. The device operates within a temperature range of -40°C to 125°C and offers typical power supply rejection ratio (PSRR) of 95 dB. Protection features include over-current, over-temperature, short-circuit, and under-voltage lockout.

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

• Dual-rail architecture enabling fast turn-on with optimized output voltage ramping while controlling inrush current.
• Integrated protection mechanisms including over-current, over-temperature, short-circuit, and under-voltage lockout.

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

• Battery-powered portable electronics requiring low input voltage operation
• Systems needing fast transient response and controlled inrush current
• Low-noise analog or RF circuit power supplies

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

Verify the exact suffix 'NOPB' indicates lead-free status and RoHS compliance as per Texas Instruments documentation. Confirm the fixed 1.8 V output voltage matches system requirements. Ensure the 5-DSBGA package type is compatible with your PCB layout. Check for any specific handling or storage conditions outlined in the official datasheet before procurement.

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

Select this component when a stable 1.8 V rail is required from inputs as low as 0.7 V. The 350 mA current capability suits moderate load applications. Consider the dual-rail design if simultaneous fast turn-on and inrush control are critical. Verify thermal performance at maximum load and ambient temperature to ensure operation within the -40°C to 125°C range without external heatsinking.

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

The LP5952 series comprises dual-rail linear regulators designed for low-voltage, high-performance applications. The TL variant typically denotes a specific tape-and-reel packaging option. The NOPB suffix confirms non-pb-free (lead-free) construction. This family emphasizes fast transient response and robust protection in a compact footprint.

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

LP5952TL-1.8/NOPB is functionally equivalent to LP5952TLX-1.8/NOPB regarding electrical specifications. Verify package compatibility between DSBGA variants. Cross-reference PSRR and dropout voltage characteristics against alternative LDOs if input voltage ranges differ significantly.

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

What is the minimum input voltage required for the LP5952TL-1.8/NOPB?

The minimum input voltage is 0.7 V, allowing operation from single-cell lithium batteries or other low-voltage sources.

Does the LP5952TL-1.8/NOPB support fast turn-on?

Yes, the optimized architecture ensures fast turn-on by allowing a rapid ramp of the output voltage to the target level while managing inrush current.