AP7383-345WR-7

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

The AP7383-345WR-7 is a positive fixed-output linear regulator from Diodes Incorporated, delivering a nominal 3.45V at up to 150mA. It operates within a wide input voltage range of 3.5V to 30V and features an ultra-low quiescent current of 3µA maximum. The device provides high output voltage accuracy with line regulation of 0.05%/V and load regulation of 0.5%. Dropout voltage reaches 1.5V maximum at full load. Integrated protections include thermal shutdown and current limiting. It is housed in a compact SOT-25 surface-mount package.

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

• Ultra-low ground current consumption for battery-powered applications
• High precision output voltage stability across temperature variations
• Integrated thermal shutdown and current limit protection circuits

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

• Battery-powered equipment
• Laptops and palmtops
• Portable information appliances

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

Verify the specific suffix WR indicates the SOT-25 package configuration compatible with standard surface mount assembly processes. Confirm RoHS3 compliance status matches project requirements. Check datasheet revision history for any updates to electrical characteristics or pin assignments before finalizing design integration.

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

Select this component when a stable 3.45V rail is required from higher voltage sources up to 30V. Ensure input voltage remains above the dropout threshold plus output voltage. Verify PCB layout supports thermal dissipation given the small package size. Consider the enable pin functionality if power sequencing control is needed.

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

This part belongs to the AP7383 series of wide-input voltage ULDO regulators. The series offers multiple fixed output voltages including 1.8V, 3.0V, 3.3V, 3.6V, 4.15V, 4.4V, and 5.0V. Variants are available in SOT-25, SOT89, and U-DFN2020-6 packages to suit different space and thermal constraints.

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

AP7383-345W5-7 (SOT-25 W5 Package)

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

What is the maximum input voltage for the AP7383-345WR-7?

The recommended operating condition specifies a maximum supply input voltage of 30V.

Does the AP7383-345WR-7 have an enable pin?

Yes, the SOT-25 WR package includes an Enable (EN) input pin to control operation.