Datasheet for Consumer R1540x (Ricoh) - 3

R1540x
NO.EA-513-190411
PIN DESCRIPTIONS
5 4
Top View Bottom View
8 7 6 5 5 6 7 8 (mark side) *( 1 ) 1 2 3 1 2 3 4 4 3 2 1
R1540N (SOT-23-5) Pin Configuration R1540S (HSOP-8E) Pin Configuration1 R1540N Pin Descriptions Pin No. Symbol Description
1 CE/ADJ Chip Enable and Adjustment Pin (Active - High) 2 GND(2) Ground Pin 3 VDD Input Pin 4 VOUT Output Pin 5 GND(2) Ground Pin
R1540S Pin Descriptions Pin No. Symbol Description
1 VDD Input Pin 2 VDD Input Pin 3 NC No Contact 4 CE/ADJ Chip Enable and Adjustment Pin (Active - High) 5 GND(2) Ground Pin 6 GND(2) Ground Pin 7 NC No Contact 8 VOUT Output Pin (1) The tab on the bottom of the package is substrate potential (GND). It is recommended that this tab to be connected to the ground plane on the board. (2) The GND pins must be wired together on the board. 3