esp_ldo:
  - id: ldo_id
    channel: 3
    voltage: 2.5V
    adjustable: true
  - id: ldo_4
    channel: 4
    voltage: 2.0V
    setup_priority: 900

esphome:
  on_boot:
    then:
      - esp_ldo.voltage.adjust:
          id: ldo_id
          voltage: !lambda return 2.5;