AP7342D-3333FS6-7

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

The AP7342D-3333FS6-7 is a dual low-dropout regulator from Diodes Incorporated, featuring two independent channels with fixed 3.3V outputs. It operates within an input voltage range of 1.7V to 5.25V and guarantees a continuous output current of 150mA per channel. The device incorporates high power supply rejection ratio (PSRR) of 75dB at 1kHz and low output noise of 60µVrms. Quiescent current is specified at 35µA under single-channel operation. It includes integrated enable controls for each channel and is housed in an X2-DFN1212-6 package.

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

• Dual-channel architecture with individual enable inputs for independent control
• High ripple rejection and low output noise suitable for sensitive RF applications
• Integrated short-circuit protection and thermal shutdown mechanisms

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

• Smart phones/Tablets
• RF supplies
• Cameras
• Portable videos
• Wireless communication

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'D' indicates the presence of auto-discharge functionality on the outputs. Ensure the ordering code matches the required package type and tape-and-reel quantity specifications provided by the supplier.

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

Select this component when dual isolated rails are required from a single input source. The 3.3V/3.3V configuration suits systems needing simultaneous power delivery to multiple subsystems. Consider the low quiescent current for battery-operated devices requiring efficient standby modes.

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

This part belongs to the AP7342 series of dual LDO regulators designed for portable electronics. It utilizes CMOS technology to achieve low dropout voltage and high PSRR. The series supports various fixed output voltage combinations within the 1.2V to 3.6V range, packaged in compact surface-mount formats.

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

AP7345D-3333FS6-7

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

What does the 'D' suffix indicate in the part number?

The 'D' suffix denotes that the regulator includes built-in active discharge resistors on the output pins to ensure the voltage discharges rapidly when the enable pin is pulled low.

How is the enable function controlled?

Each channel has a dedicated Enable (EN) pin. Driving the pin high turns on the respective output, while pulling it low shuts down the regulator and activates the discharge feature if present.