The ADP5033 is a dual 800mA buck regulator and two 300mA low dropout regulators (LDO) from Analog Devices
The ADP5033 combines two high‑performance 800 mA buck regulators and two low‑dropout regulators (LDOs) in a tiny 16‑ball 2 mm × 2 mm WLCSP package. It offers a wide input range of 2.3 V‑5.5 V, 3 MHz buck switching, and programmable output voltages.
The document provides electrical specifications, pin descriptions, recommended external components, thermal data, and typical application circuits for space‑constrained and battery‑powered designs.
| Input voltage range | 2.3 V to 5.5 V |
|---|---|
| Buck regulator output voltage range | 0.8 V to 3.3 V |
| LDO output voltage range | 0.8 V to 5.2 V |
| Switching frequency | 3 MHz |
| Package type | 16‑ball 2 mm × 2 mm WLCSP |
| LDO PSRR (10 kHz) | 60 dB |
| Standby current (no load) | 108 µA |
The device operates from 2.3 V to 5.5 V input.
It contains two 800 mA buck regulators.
The LDOs can be set from 0.8 V up to 5.2 V.