BA7820FP-E2

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

The BA7820FP-E2 is a surface-mount linear voltage regulator from the ROHM BA78 series, housed in a TO-252-3 package. It provides a fixed positive output of 20V with a maximum continuous current of 1A. The device operates within an input voltage range of 23V to 33V and maintains an output accuracy of ±4.0%. Key electrical specifications include a typical line regulation of 15mV, load regulation of 37mV, and a power dissipation rating of 10W. The quiescent circuit current is 4.5mA, with a typical PSRR of 78dB. It functions reliably across an operating temperature range of -40°C to +85°C.

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

• Integrated over-current protection circuitry prevents damage during short-circuit or overload conditions.
• Built-in thermal shutdown circuit automatically disables the output when excessive junction temperatures are detected.
• Provides good ripple rejection characteristics for stable DC power supply applications.

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

• Fixed voltage regulation in industrial control systems
• Power supply modules requiring 20V output
• Embedded electronic equipment power management

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

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance and package integrity upon receipt. Check datasheet revisions for any parameter updates. Ensure storage conditions meet semiconductor handling standards to prevent moisture damage prior to soldering.

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

Select this model when a fixed 20V output at 1A is required in a surface-mount form factor. Consider the TO-252-3 package for PCB space constraints compared to through-hole alternatives. Evaluate thermal management requirements given the 10W dissipation rating. Verify that input voltage remains within the 23V-33V window for proper regulation.

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

This component belongs to the ROHM BA78 series of linear regulators, designed as surface-mount replacements for traditional through-hole packages. The BA78 series offers various fixed output voltages, with the BA7820 specifically providing 20V. The FP suffix indicates the TO-252-3 DPAK-style package, facilitating automated assembly and compact board designs.

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

BA7820CP-E2 (TO-220CP-3 package)

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

Does the BA7820FP-E2 include soft-start functionality?

No, the official specifications indicate that the BA7820FP-E2 does not feature a soft-start function.

What is the maximum withstand voltage for this regulator?

The maximum withstand voltage specified for the BA7820FP-E2 is 35V.