AP7372-12CBA6-7

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

The AP7372-12CBA6-7 is a high-voltage low dropout regulator from Diodes Incorporated, designed for noise-sensitive applications. It operates within an input voltage range of 2.7 V to 20 V and delivers a maximum output current of 200 mA. The device provides a fixed nominal output voltage of 1.2 V with an accuracy of ±0.8%. Key electrical parameters include a typical quiescent current of 66 µA, a dropout voltage of 120 mV, and a power supply rejection ratio (PSRR) of 90 dB at 10 kHz. It supports operation across a temperature range of -40°C to +125°C.

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

• Ultra-low noise performance with 8 µV RMS output noise, ensuring minimal signal interference in precision circuits.
• High power supply rejection ratio (PSRR) across wide frequency bands to effectively suppress input ripple and noise.
• Wide input voltage capability allowing compatibility with standard power rails including lithium-ion and 12 V systems.
• Compact U-WLB1012-6 package design enabling high power density in space-constrained environments.

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

• Powering precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
• Supplying voltage control tuning (VTUNE) lines in voltage-controlled oscillators (VCOs)
• Providing clean power for medical equipment and industrial instrumentation
• Supporting communication and infrastructure signal chains

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

Verify the specific suffix CBA6-7 against official Diodes Incorporated documentation to confirm pinout and thermal characteristics. Ensure the ordering quantity aligns with manufacturer reel specifications. Confirm RoHS compliance status through the latest datasheet revision. Validate that the U-WLB1012-6 footprint matches your PCB layout requirements before finalizing procurement.

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

Select this component when designing circuits requiring low noise and high PSRR for sensitive analog signals. The 1.2 V fixed output suits logic levels or reference voltages. Consider the 200 mA current limit for load requirements. The adjustable variant allows flexibility if system needs change, but this fixed version ensures tighter initial tolerance without external feedback components.

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

This part belongs to the AP7372 series of high-voltage LDO regulators. The series is characterized by its ability to operate from standard supply rails while maintaining low noise profiles. It targets applications where signal integrity is critical, such as data conversion and RF stages. The U-WLB1012-6 package distinguishes it from larger SOT packages used in other Diodes Incorporated LDO families.

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

Check for AP7372 variants with different fixed output voltages if system requirements shift. Verify pin compatibility with alternative manufacturers' ultra-low noise LDOs offering similar PSRR and current capabilities. Ensure thermal performance in the U-WLB1012-6 package meets junction temperature limits under maximum load conditions.