BA17820CP-E2

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

The BA17820CP-E2 is a linear voltage regulator from ROHM Semiconductor, providing a fixed 20V output with a maximum current capacity of 1A. It operates within an input voltage range of 23V to 33V and features a TO-220CP-3 package for through-hole mounting. The device supports an operating temperature range from -40°C to +85°C. Key electrical specifications include a line regulation of 15mV, load regulation of 37mV, and a typical power supply rejection ratio (PSRR) of 78dB. Internal protections include over-current protection and thermal shutdown.

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

• Integrated over-current protection circuitry prevents damage during fault conditions.
• Thermal shutdown mechanism activates to protect the device from excessive heat.
• High ripple rejection capability ensures stable output voltage under varying input noise.

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

• General purpose linear voltage regulation in electronic circuits
• Power supply sections requiring fixed 20V output
• Industrial equipment power management

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

Verify component authenticity and datasheet alignment before procurement. Confirm that the TO-220CP-3 package matches the target PCB footprint. Check for end-of-life status or discontinuation notices from ROHM Semiconductor, as availability may be restricted. Ensure thermal design accounts for power dissipation limits in the intended application environment.

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

Select this component when a fixed 20V output at up to 1A is required with through-hole mounting. Consider the 23V minimum input voltage requirement to ensure adequate dropout voltage. Evaluate thermal performance based on expected power dissipation and ambient temperature constraints. Compare against alternative regulators if lower dropout voltage or surface-mount packaging is preferred.

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

This part belongs to the BA178 series of linear voltage regulators manufactured by ROHM Semiconductor. The series offers various fixed output voltages with similar protection features. The BA17820CP-E2 specifically provides the 20V variant in a robust TO-220CP-3 package suitable for higher power applications compared to smaller surface-mount options.

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

BA17820FP-E2: Surface-mount equivalent in TO-252-3 package with identical electrical characteristics.

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

Does the BA17820CP-E2 include short-circuit protection?

Yes, the device incorporates internal over-current protection to safeguard against short-circuit conditions.

What is the maximum input voltage for this regulator?

The maximum input voltage rating is 33V.