ADP165/ADP166Data SheetPIN CONFIGURATIONS AND FUNCTION DESCRIPTIONSVIN 15VOUTADP165/ADP166GND 2TOP VIEW(Not to Scale)EN 34NC 004 NOTES 1. NC = NO CONNECT. NOT CONNECTED INTERNALLY. 12188- Figure 4. 5-Lead TSOT, Fixed Output Pin Configuration Table 5. Fixed Output, 5-Lead TSOT Pin Function Descriptions Pin No.MnemonicDescription 1 VIN Regulator Input Supply. Bypass VIN to GND with a 1 µF or greater capacitor. 2 GND Ground. 3 EN Enable Input. Drive EN high to turn on the regulator; drive EN low to turn off the regulator. For automatic startup, connect EN to VIN. 4 NC No Connect. This pin is not connected internally. 5 VOUT Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor. VIN 15VOUTADP165/ADP166GND 2TOP VIEW(Not to Scale) 005 EN 34ADJ 12188- Figure 5. 5-Lead TSOT, Adjustable Output Pin Configuration Table 6. Adjustable Output, 5-Lead TSOT Pin Function Descriptions Pin No.MnemonicDescription 1 VIN Regulator Input Supply. Bypass VIN to GND with a 1 µF or greater capacitor. 2 GND Ground. 3 EN Enable Input. Drive EN high to turn on the regulator; drive EN low to turn off the regulator. For automatic startup, connect EN to VIN. 4 ADJ Output Voltage Adjust Pin. Connect the midpoint of the voltage divider between VOUT and GND to this pin to set the output voltage. 5 VOUT Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor. Rev. A | Page 6 of 23 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITORS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor, COUT Input Bypass Capacitor, CIN Input and Output Capacitor Properties ENABLE FEATURE UNDERVOLTAGE LOCKOUT (UVLO) CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS LIGHT SENSITIVITY OF WLCSPs OUTLINE DIMENSIONS ORDERING GUIDE