BD37215MUV-E2

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

The BD37215MUV-E2 is a negative polarity low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It supports an input voltage range from -3 V to -16 V and delivers a maximum output current of 1 A. The device features an adjustable output voltage ranging from -15 V to -1 V, with a reference voltage of -1 V. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 55 dB, a dropout voltage of -300 mV, line regulation of -1 mV, and load regulation of -3 mV. The quiescent operating current is 2 mA. It operates within a temperature range of -40°C to +85°C and is housed in a VQFN-20 package.

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

• Negative polarity LDO design for single-supply systems requiring negative rail generation
• Adjustable output voltage capability via external resistor network
• High power supply rejection ratio for noise-sensitive applications
• Compact surface-mount packaging with thermal optimization

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

• Portable electronic devices requiring negative voltage rails
• Audio equipment power management circuits
• Industrial control systems with mixed-signal requirements
• Communication modules needing stable negative bias voltages

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications, as the product lifecycle status indicates discontinuation. Ensure storage conditions meet humidity sensitivity requirements prior to assembly. Validate package marking against official datasheet specifications to prevent counterfeit substitution.

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

Select this component when a negative voltage rail is required with high current capacity and low noise characteristics. The adjustable output allows flexibility in setting specific negative voltage levels. Consider the -300 mV dropout voltage for input-output headroom calculations. The VQFN-20 package suits space-constrained designs. Evaluate thermal performance based on PCB copper area and ambient operating conditions.

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

This part belongs to ROHM's LDO Voltage Regulators category under PMICs. It is designed for applications needing reliable negative voltage regulation. The VQFN-20 package provides a compact footprint suitable for modern electronics. The device integrates protection features common to linear regulators. It serves as a power management solution for systems utilizing negative supply rails.

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

No public confirmed substitute part numbers are available in the provided documentation.