AP7361EA-33ER-13

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

The AP7361EA-33ER-13 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 3.3V output with a maximum current capacity of 1A. It operates within an input voltage range of 2.2V to 6.0V and features a typical dropout voltage of 340mV at full load. The device incorporates an enable pin for power management control and maintains a low quiescent current of approximately 68µA. It is housed in the SOT223R surface-mount package and supports an ambient operating temperature range from -40°C to +85°C.

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

• Integrated enable function allows precise power control via logic-high activation
• Built-in thermal shutdown and foldback short-circuit protection ensure operational safety under fault conditions
• Capable of driving MLCC, electrolytic, tantalum, or solid capacitors with values greater than or equal to 2.2µF

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

• Laptop computers
• Audio/video equipment
• Battery-powered devices

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

Verify that the specific suffix ER corresponds to the SOT223R package configuration required for your PCB layout. Confirm the 33 designation matches the necessary 3.3V fixed output level. Ensure the -13 tape and reel specification aligns with automated assembly requirements. Cross-reference the datasheet revision to confirm compliance with current RoHS3 standards before finalizing procurement orders.

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

Select this component when a 3.3V rail is required with up to 1A continuous load capability. The SOT223R package offers a compact footprint suitable for space-constrained designs. The inclusion of an enable pin makes it appropriate for systems requiring power sequencing or standby modes. Verify that the input voltage remains within the 2.2V to 6.0V window to maintain regulation.

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

This part belongs to the AP7361EA family of ultra-low dropout regulators designed for low-to-medium power applications. The series provides both adjustable and fixed output options across various packages including U-DFN3030-8, SOT89-5, and SO-8EP. The AP7361EA-33ER-13 specifically utilizes the SOT223R variant, distinguishing it from standard SOT223 or other package types within the same electrical family.

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

AP7361C-33Y5-13

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

Does the AP7361EA-33ER-13 support adjustable output voltages?

No, the '33' suffix indicates a fixed 3.3V output version. Adjustable versions are available but require different ordering suffixes.

What is the minimum capacitance required for stability?

The device is stable with output capacitors of 2.2µF or greater, supporting MLCC, E-Cap, Tan-Cap, or Solid Capacitor types.