The ADP5023 is a small integrated circuit that combines two high-performance buck regulators and one low dropout regulator. It features a wide input voltage range, high stability, and low noise, making it suitable for applications such as processors, ASICs, FPGAs, RF chipsets, portable instrumentation, and medical devices.
The ADP5023 is a power‑management IC that integrates two high‑performance 800 mA buck regulators and one 300 mA low‑dropout (LDO) regulator in a 24‑lead 4 mm × 4 mm LFCSP package. It operates from a wide input range and uses a 3 MHz switching frequency to keep external components small.
Typical applications include processors, ASICs, FPGAs, RF chipsets, portable instrumentation, medical devices, and space‑constrained designs. The device offers programmable or fixed output options, multiple enable pins, and low quiescent current for battery‑powered systems.
| Input voltage range (VIN1/VIN2) | 2.3 V to 5.5 V |
|---|---|
| Input voltage range (VIN3) | 1.7 V to 5.5 V |
| Buck regulator current rating | 800 mA per regulator |
| LDO current rating | 300 mA |
| Switching frequency | 3 MHz |
The ADP5023 accepts 2.3 V to 5.5 V on VIN1 and VIN2, and 1.7 V to 5.5 V on VIN3.
It contains two buck regulators, each capable of delivering up to 800 mA.
The buck regulators operate at a switching frequency of 3 MHz.