AP7347D-29W5-7

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

The AP7347D-29W5-7 is a low-dropout regulator manufactured by Diodes Incorporated, featuring a fixed output voltage of 2.9V and a guaranteed output current of 500mA. It operates within an input voltage range of 1.7V to 5.5V and maintains a quiescent current as low as 60µA. The device provides high ripple rejection of 75dB at 1kHz and exhibits low output noise of 60µVrms from 10Hz to 100kHz. Packaged in SOT25 (Type A1), it supports an operating junction temperature range from -40°C to +125°C.

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

• Integrated enable pin for power control with auto-discharge functionality upon shutdown
• High power supply ripple rejection ratio ensuring stable performance in noisy environments
• Low output noise characteristics suitable for sensitive analog and RF circuits
• Built-in thermal shutdown and short-circuit protection mechanisms

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

• Portable and battery-powered equipment
• Desktops, notebooks, and ultrabooks
• Tablets and remote controls
• White goods and appliances

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

Verify the specific ordering suffix W5 corresponds to the SOT25 package type when sourcing components. Confirm that the part number includes the correct voltage code 29 for the 2.9V output variant. Ensure compliance with RoHS directives and check for halogen-free status requirements. Validate that the supplier provides official datasheets matching document DS42263 Rev. 2-2 for accurate electrical specifications.

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

Select this component for applications requiring a compact footprint with high current capability. The SOT25 package offers a small surface-mount solution ideal for dense PCB layouts. Consider the low dropout voltage characteristics when designing for minimal input-to-output voltage differentials. Evaluate the thermal resistance parameters if operating near maximum load currents or elevated ambient temperatures.

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

This device belongs to the AP7347D series of low-dropout regulators designed for noise-sensitive automotive and consumer electronics. It utilizes a CMOS process to achieve low power consumption and fast transient response. The series includes various fixed output voltages ranging from 1.0V to 5.0V, all sharing similar electrical characteristics and packaging options for design flexibility.

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

AP7347DQ-29FDZW-7 serves as an automotive-compliant alternative within the same family, offering identical electrical performance but packaged in W-DFN2020-6. Verify compatibility regarding package dimensions and pin assignments before substitution. Ensure that any replacement meets the required environmental and reliability standards for the target application.