XC6237 Series ■PIN CONFIGURATION Vss 3 VIN VOUT 4 3 CE VIN 3 4 1 2 1 2 2 1 VOUT VIN Vss VOUT CE Vss USPQ-4B05 SSOT-24 SOT-23 (BOTTOM VIEW) (TOP VIEW) (TOP VIEW) *The dissipation pad for the USPQ-4B05 package should be solder-plated in reference mount pattern and metal masking so as to enhance mounting strength and heat release. If the pad needs to be connected to other pins, it should be connected to VSS (No. 2) pin. ■PIN ASSIGNMENT PIN NUMBER PIN NAME FUNCTION USPQ-4B05 SSOT-24 SOT-23 1 3 1 VOUT Output 2 2 3 VSS Ground 3 1 - CE ON/OFF Control 4 4 2 VIN Power Input ■FUNCTION CHART XC6237series, Type A/B. PIN NAME SIGNAL STATUS H Active CE L Stand-by OPEN Undefined state* (*1) Please do not leave the CE pin open. Each should have a certain voltage. 4/27 Document Outline XC6237 (2) XC6237_ETR03100-001 XC6237 XC6237_ETR03100-001