BU1CJA2VG-CGTR

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

The BU1CJA2VG-CGTR is a single-channel, fixed-output CMOS Low Dropout (LDO) regulator manufactured by Rohm Semiconductor. It provides a stable 1.25V output with a maximum continuous current of 200mA. The device features a typical Power Supply Rejection Ratio (PSRR) of 68dB and operates within an input voltage range of 1.7V to 6V. Key electrical parameters include a dropout voltage of 160mV at full load and a quiescent circuit current of 33μA. It is qualified under the AEC-Q100 automotive standard and functions reliably across an operating temperature range from -40°C to +125°C.

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

• High-precision fixed output voltage regulation suitable for sensitive analog circuits
• Low power consumption with minimal quiescent current draw
• Integrated protection mechanisms including thermal shutdown and over-current protection

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

• Automotive camera systems
• Automotive radar sensors
• Battery-powered electronic devices requiring low noise power supplies

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

Verify the specific suffix 'CGTR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the 1.25V fixed output variant matches the system design requirements, as this series offers multiple voltage options. Ensure the SSOP-5 package dimensions align with the printed circuit board footprint specifications before finalizing procurement orders.

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

Select this component when a compact, automotive-grade LDO with high ripple rejection is required for 1.25V rails. The 200mA output capability supports moderate load currents while maintaining efficiency through low static current. Consider the 160mV dropout voltage relative to the minimum available supply voltage to ensure regulation stability under varying load conditions and input fluctuations.

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

This part belongs to the BUxxJA2DG-C series of CMOS LDO regulators designed for automotive applications. The series is characterized by its small SSOP-5 package, which aids in miniaturizing electronic control units. These regulators are engineered to meet the rigorous reliability standards of the automotive industry, specifically targeting noise-sensitive subsystems where stable voltage delivery is critical for performance.

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

BU1CJA2DG-CTR is a verified substitute offering identical electrical characteristics and pinout configuration. Both parts share the same 1.25V fixed output, 200mA current rating, and automotive qualification status, allowing for direct interchangeability in existing designs without modification.