BU37UA3WNVX-TL

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

The BU37UA3WNVX-TL is a single-output low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 3.7 V with a maximum output current capability of 300 mA. The device operates within an input voltage range of 1.7 V to 5.5 V and features a typical dropout voltage of 200 mV. It is housed in a compact DFN-4 surface-mount package and supports operation across a temperature range from -40°C to +85°C.

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

• Provides stable fixed voltage regulation for sensitive electronic circuits
• Operates efficiently at low input-to-output voltage differentials
• Integrates protection mechanisms against overcurrent and thermal overload conditions

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

• Portable battery-powered consumer electronics requiring stable power rails
• Embedded systems utilizing microcontrollers or sensors needing precise voltage levels
• Communication modules operating within specified input voltage constraints

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

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status prior to integration. Check datasheet revisions for any updates regarding electrical characteristics or pin configurations. Ensure storage conditions meet manufacturer specifications to prevent moisture damage.

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

Select this regulator when a fixed 3.7 V supply is required with moderate current demands. Evaluate thermal performance based on expected load currents and ambient temperatures. Consider the DFN-4 package footprint compatibility during PCB layout design. Verify that input voltage sources remain within the specified operational limits.

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

This component belongs to the BU37UA3 series of LDO regulators from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs. The part is designated as NRND, indicating it is not recommended for new designs. Engineers should consider newer alternatives for long-term production projects.

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

BU30UA3WNVX-TL: Offers similar form factor but delivers a 3.0 V output. BU22UA3WNVX-TL: Provides a 2.2 V output with comparable packaging and current capabilities.