Quad power management IC integrates two 3 MHz buck regulators and two low dropout regulators for compact multi-rail supplies. The buck regulators each deliver 800 mA, while the LDO regulators each deliver 300 mA. The device operates from a 2.3 V to 5.5 V input range, with buck and LDO output voltage ranges from 0.8 V to 3.3 V. The family uses a tiny 16-ball, 2 mm × 2 mm WLCSP package and supports forced PWM and automatic PWM/PSM buck operating modes.
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| Input Voltage Range | 2.3 to 5.5V |
| Buck Regulator Count | 2 |
| Buck Output Current per Regulator | 800mA |
| LDO Regulator Count | 2 |
| LDO Output Current per Regulator | 300mA |
| Buck Switching Frequency | 3MHz |
| Regulator Accuracy | ±1.8% |
| Buck Output Voltage Range | 0.8 to 3.3V |
| LDO Output Voltage Range | 0.8 to 3.3V |
| LDO Input Supply Voltage Range | 1.7 to 5.5V |
| Package | 16-ball WLCSP |
| Package Size | 2 × 2mm |
| Buck Operating Modes | Forced PWM and auto PWM/PSM |
| Output Voltage Programming | Factory programmable VOUTx |
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These are design resources that include the Analog Devices ADP5033
User guide for the Analog Devices ADP5033 evaluation board, featuring two 3MHz buck regulators and two LDOs with power save mode (PSM) for high efficiency.
