ADP2503ACPZ-3.3-R7

Voltage Regulators - DC DC Switching Regulators Overview

The ADP2503ACPZ-3.3-R7 is a single-output switching voltage regulator from Analog Devices, classified under PMIC - Power Management ICs. It utilizes a Buck-Boost topology with an adjustable output voltage capability in the broader series, though this specific variant provides a fixed 3.3 V output. The device supports a maximum output current of 600 mA and operates within an input voltage range of 2.3 V to 5.5 V. Key electrical parameters include a quiescent current of 38 uA and a switching frequency of 2.5 MHz. It functions reliably across a temperature range of -40 C to +125 C and is housed in a compact LFCSP-10 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency H-bridge buck-boost architecture for seamless mode conversion without voltage glitches.
• Features ultra-low quiescent current consumption to extend standby time in portable applications.
• Supports high switching frequencies to enable the use of smaller, lower-cost external inductors.

Voltage Regulators - DC DC Switching Regulators Applications

• Wireless mobile phones
• Digital cameras
• Portable audio players

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm that the received part matches the exact marking and package type specified in the official datasheet. Check for moisture sensitivity indicators as the device is humidity-sensitive. Ensure storage conditions comply with manufacturer guidelines to prevent damage before soldering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for battery-powered devices needing voltage regulation above or below the source level. The fixed 3.3 V output suits standard logic levels. Consider the 600 mA limit for load requirements. The wide input range accommodates various battery chemistries including Li-ion and alkaline cells.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ADP2503 series, designed for space-constrained portable electronics. It shares architectural similarities with the ADP2504 but differs in output current capabilities. The series emphasizes miniaturization, allowing PCB areas under 13mm2. It serves as a power management solution for USB-supplied consumer and industrial equipment requiring efficient step-up or step-down conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.