BA17820FP-E2

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

The BA17820FP-E2 is a fixed positive linear voltage regulator from ROHM Semiconductor, delivering a stable 20V output with a maximum current capacity of 1A. It operates within an input voltage range of 23V to 33V and features a TO-252-3 surface-mount package. The device supports an operating temperature range from -40°C to +85°C, ensuring reliability in demanding environments. Key electrical specifications include a line regulation of 15mV and load regulation of 37mV, alongside a typical power supply rejection ratio (PSRR) of 78dB. Internal protections include thermal shutdown and overcurrent protection, while the maximum power dissipation is rated at 10W.

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

• Integrates built-in overcurrent protection and thermal shutdown circuits for enhanced safety.
• Provides excellent ripple suppression characteristics for clean power delivery.
• Utilizes a compact TO-252-3 surface mount package suitable for space-constrained designs.

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

• General-purpose linear voltage regulation in electronic circuits
• Power management sections requiring fixed 20V supply rails
• Industrial equipment operating within specified temperature ranges

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 specific packaging options such as reel or cut tape availability. Check for end-of-life notifications or obsolescence warnings prior to procurement. Ensure that the ordering suffix matches the required package type and environmental rating. Cross-reference datasheet revisions to confirm parameter consistency.

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

Select this regulator when a fixed 20V output is required with up to 1A load current. Consider the TO-252-3 package for surface-mount assembly needs. Evaluate thermal management requirements given the 10W power dissipation limit. Compare line and load regulation specs against circuit sensitivity requirements. Verify input voltage headroom stays within the 23V minimum to 33V maximum range.

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

This component belongs to the BA178xx series of linear voltage regulators by ROHM Semiconductor. The series offers various fixed output voltages in both through-hole and surface-mount packages. The FP suffix indicates the TO-252-3 surface-mount variant, distinguishing it from the CP through-hole version. These regulators are designed for general-purpose applications requiring reliable, low-noise voltage regulation.

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

Compatible substitutes within the same family include BA17818FP-E2 (18V output) and BA17824FP-E2 (24V output), provided the voltage requirement differs. For identical 20V output, verify pinout compatibility and thermal performance. Direct cross-replacement requires matching package type and electrical ratings. Consult official substitution guides for confirmed equivalents.