ADP5301ACBZ-4-R7

Overview

The ADP5301ACBZ-4-R7 is a low-power synchronous step-down DC-to-DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 2.15 V to 6.5 V and provides a single positive output. The device features a fixed output voltage of 3.3 V, as indicated by the suffix -4. It supports an output current capability of up to 500 mA. The switching frequency is fixed at 2 MHz. The component is housed in a 9-WLCSP package measuring 1.87 x 1.65 mm. It functions within a junction temperature range of -40°C to +125°C.

Feature Summary

• Synchronous rectification for high efficiency
• Fixed 2 MHz switching frequency
• Compact WLCSP packaging

Applications

• Portable battery-powered devices
• Wearable electronics
• IoT sensor nodes

Procurement Notes

Verify the specific suffix -4-R7 against official Analog Devices documentation to confirm the fixed 3.3 V output configuration. Ensure compatibility with the 9-WLCSP footprint during PCB layout. Confirm RoHS compliance status through the manufacturer's latest datasheet or product change notification before finalizing procurement specifications.

Selection Notes

Select this component when a fixed 3.3 V output is required from a 2.15 V to 6.5 V input source. The 2 MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. The WLCSP package is suitable for space-constrained designs requiring surface-mount integration without sacrificing thermal performance within the specified operating temperature range.

Part Context

This part belongs to the ADP5301 series of ultra-low power buck converters. The series is designed for applications demanding minimal quiescent current and small form factors. Variants within the series differ primarily by output voltage settings and package options, serving as efficient power management solutions for modern portable electronics.

Replacement Considerations

Check Analog Devices documentation for direct pin-compatible substitutes within the ADP5301 family that match the 3.3 V output requirement. Verify electrical parameters such as switching frequency and output current capacity against alternative suppliers' offerings to ensure functional equivalence.