BU21TD2WNVX-TL

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

The BU21TD2WNVX-TL is a fixed-output CMOS low-dropout regulator manufactured by ROHM Semiconductor. It provides a stable 2.1 V output with a maximum current of 200 mA. The device operates within an input voltage range of 1.7 V to 6 V and features a typical dropout voltage of 380 mV at full load. Key electrical specifications include a quiescent current of 35 µA, line regulation of 2 mV, and load regulation of 10 mV. Ripple rejection is typically 70 dB. The component is housed in a compact SSON004X1010-4 package and supports an operating temperature range from -40°C to +85°C.

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

• Ultra-small physical footprint utilizing the SSON004X1010 package for space-constrained designs.
• Low power consumption achieved through minimal circuit current draw.
• Integrated protection mechanisms including thermal shutdown and over-current protection.
• High noise immunity with superior ripple rejection characteristics.

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

• Power supply for logic integrated circuits
• Power source for radio frequency modules
• Power supply for camera modules

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

Verify the specific suffix TL against the manufacturer's latest datasheet to confirm tape-and-reel packaging and quantity per reel. Ensure the ordering code matches the required output voltage tolerance and package variant. Cross-reference the RoHS compliance status with current environmental regulations before finalizing procurement orders.

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

Select this component when a fixed 2.1 V rail is required with a 200 mA capacity in a minimal surface-mount form factor. It is suitable for applications demanding low static current and high power supply rejection ratio. Consider the 6 V maximum input limit and thermal dissipation capabilities relative to the small package size during initial design phases.

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

This part belongs to the BU21TD2WNVX series of ultra-small CMOS LDO regulators. The series is characterized by its combination of low power consumption and excellent noise performance. These devices are designed specifically for portable electronics where board space and battery life are critical constraints.

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

BU20TD2WNVX-TL (2.0 V output)

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

Does the BU21TD2WNVX-TL include a shutdown function?

Yes, the device includes a shutdown function to reduce power consumption when the regulator is not in use.

What is the maximum input voltage for this regulator?

The maximum input voltage is specified as 6 V.