datasheet: https://datasheets.maximintegrated.com/en/ds/MAX17503.pdf
description: Step-down DC-DC converter
footprint: agg:QFN-20-EP-MAX
name: MAX17503
ordercodes:
- [Farnell, '2514229']
pins:
- - - [VIN, 1, pwrin]
    - [VIN, 2, pwrin]
    - [VIN, 3, pwrin]

  - - [EN/UVLO, 4, in]
    - [SYNC, 6, in]
    - [MODE, 11, in]

  - - [SS, 7, in]
    - [RT, 10, passive]

  - - [PGND, 14, pwrin]
    - [PGND, 15, pwrin]
    - [PGND, 16, pwrin]

- - - [BST, 20, passive]

  - - [LX, 17, pwrout]
    - [LX, 18, passive]
    - [LX, 19, passive]

  - - [FB, 9, in]

  - - [CF, 8, passive]

  - - [~RESET, 5, out]

  - - [VCC, 12, pwrout]
    - [SGND, 13, pwrin]
    - [SGND, EP, pwrin]