Datasheet ADP121 (Analog Devices) - 6

ADP121 Data Sheet PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 1 2 VIN 1 5 VOUT A VIN VOUT TOP VIEW GND 2 (Not to Scale) TOP VIEW (Not to Scale) EN 3 4 NC
003
B EN GND
004
NC = NO CONNECT
06901- 06901- Figure 3. 5-Lead TSOT Pin Configuration Figure 4. 4-Ball WLCSP Pin Configuration
Table 5. Pin Function Descriptions Pin No. TSOT WLCSP Mnemonic Description
1 A1 VIN Regulator Input Supply. Bypass VIN to GND with a 1 µF or larger capacitor. 2 B2 GND Ground. 3 B1 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 N/A NC No Connect. Not connected internally. 5 A2 VOUT Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor. Rev. G | Page 6 of 20 Document Outline Features Applications Typical Application Circuits General Description 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 Input Bypass Capacitor Input and Output Capacitor Properties Undervoltage Lockout Enable Feature Current Limit and Thermal Overload Protection Thermal Considerations PCB Layout Considerations Outline Dimensions Ordering Guide