1 2 3 4 4 3 2 1 1R1525S (HSOP-6J) Pin ConfigurationR1525S (HSOP-8E) Pin ConfigurationR1525N Pin DescriptionPin No.Pin NameDescription 1 GND(2) Ground Pin 2 GND(2) Ground Pin 3 CE Chip Enable Pin (Active-high) 4 VOUT Output Pin 5 VDD Input Pin R1525H Pin DescriptionPin No.Pin NameDescription 1 VOUT Output Pin 2 GND(2) Ground Pin 3 CE Chip Enable Pin (Active-high) 4 GND(2) Ground Pin 5 VDD Input Pin (1) The tab on the bottom of the package enhances thermal performance and is electrically connected to GND (substrate level). It is recommended that the tab be connected to the ground plane on the board, or otherwise be left open. (2) The GND pin must be wired together when it is mounted on board. 3