AP7346D-3328FS6-7

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

The AP7346D-3328FS6-7 is a dual high accuracy current limit low dropout regulator manufactured by Diodes Incorporated. It provides fixed output voltages of 3.3 V on Channel 1 and 2.8 V on Channel 2, with a maximum output current of 130 mA per channel. The device operates within an input voltage range of 1.7 V to 5.25 V and features a quiescent current as low as 35 µA. Packaged in an X2-DFN1212-6 footprint, it supports an operating temperature range from -40 °C to +85 °C.

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

• Dual-channel architecture with independent enable inputs for each regulator
• Integrated high accuracy current limit circuitry for overcurrent protection
• Low dropout performance optimized for minimal power consumption
• High ripple rejection ratio ensuring stable output under varying conditions

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

• Fingerprint modulars
• Smart phones and tablets
• RF supplies
• Cameras
• Portable media players

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

Verify the specific ordering suffix FS6-7 confirms the X2-DFN1212-6 package and tape & reel packing quantity. Confirm that the D suffix indicates the auto-discharge feature if required by the design. Ensure compliance with RoHS and halogen-free requirements matches project specifications before finalizing procurement orders.

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

Select this component when two distinct fixed voltage rails are needed from a single input source. The dual enable pins allow independent control of each channel's power state. Verify that the load transient response and output capacitor ESR requirements align with the stability guidelines provided in the datasheet application information section.

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

This part belongs to the AP7346 series of dual LDO regulators designed for portable communication equipment. It utilizes a CMOS process to achieve low power consumption and small footprint. The series offers various fixed output voltage combinations to suit different system power distribution needs while maintaining high accuracy and low noise characteristics.

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

The datasheet explicitly states that the AP7346 is not recommended for new designs and recommends using the AP7345D instead. No other specific substitute part numbers are documented in the provided material.