High Accuracy anyCAP 200 mA Low Dropout Linear Regulator Data Sheet ADP3303 FEATURES FUNCTIONAL BLOCK DIAGRAMS High accuracy over line and load 0.8% at +25C, 1.4% ADP3303 Q1 over temperature IN OUT Ultralow dropout voltage: 180 mV (typical) at 200 mA R1 THERMAL CC PROTECTION Requires only C = 0.47 F for stability ERR O anyCAP = stable with all types of capacitors (including MLCC) DRIVER g Q2 m 3.2 V to 12 V supply range SD R2 Current and thermal limiting BANDGAP REF Low noise Dropout detector GND Low shutdown current: < 1 A Figure 1. Functional Block Diagram Thermally enhanced SOIC N package Excellent Line and Load Regulation Performance NR 3 ADP3303-5.0 APPLICATIONS 7 1 V IN OUT V =+5V IN OUT 8 2 Cellular telephones 330k C1 C2 0.47F 0.47F Notebook, palmtop computers ERR 6 E OUT Battery powered systems SD GND 5 4 Portable instruments ON Post regulator for switching supplies OFF Bar code scanners SD Figure 2. Typical Application Circuit GENERAL DESCRIPTION The ADP3303 is a member of the ADP3300, ADP3301, and This keeps PCB real estate to a minimum and makes the 1 ADP3309 family of precision low dropout anyCAP voltage ADP3303 very attractive for use in portable equipment. regulators. The ADP3303 stands out from the conventional The ADP3303 operates with a wide input voltage range from LDOs with a different architecture, an enhanced process, and a 3.2 V to 12 V and delivers a load current in excess of 200 mA. different package. Its patented design requires only a 0.47 F It features an error flag that signals when the device is about to output capacitor for stability. This device is insensitive to lose regulation or when the short circuit or thermal overload capacitor Equivalent Series Resistance (ESR) and is stable with protection is activated. Other features include shutdown and any good quality capacitor, including ceramic types (MLCC) for optional noise reduction capabilities. The ADP3300, ADP3301, space restricted applications. The ADP3303 achieves and ADP3309 anyCAP LDO family offers a wide range of exceptional accuracy of 0.8% at room temperature and 1.4% output voltages and output current levels: overall accuracy over temperature, line, and load regulations. The dropout voltage of the ADP3303 is only 180 mV (typical) at Table 1. ADP3300, ADP3301, and ADP3309 anyCAP LDO Family 200 mA. Model Output Current Package Options In addition to the architecture and process, the Analog Devices, ADP3300 50 mA 6-Lead SOT-23 Inc., proprietary thermally enhanced package (Thermal Coastline) ADP3301 100 mA 8-Lead SOIC N can handle 1 W of power dissipation without external heatsink ADP3309 100 mA 5-Lead SOT-23 or large copper surface on the printed circuit board (PCB). 1 anyCAP is a trademark of Analog Devices, Inc. Rev. D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20142017 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. 10335-001 10335-002ADP3303 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Capacitor Selection .................................................................... 10 Applications ....................................................................................... 1 Noise Reduction ......................................................................... 10 Functional Block Diagrams ............................................................. 1 Thermal Overload Protection .................................................. 10 General Description ......................................................................... 1 Calculating Junction Temperature ........................................... 10 Revision History ............................................................................... 2 Printed Circuit Board Layout Consideration ......................... 10 Specifications ..................................................................................... 3 Error Flag Dropout Detector .................................................... 11 Absolute Maximum Ratings ............................................................ 4 Shutdown Mode ......................................................................... 11 Thermal Resistance ...................................................................... 4 Application Circuits ....................................................................... 12 ESD Caution .................................................................................. 4 Crossover Switch ........................................................................ 12 Pin Configuration and Function Descriptions ............................. 5 Higher Output Current ............................................................. 12 Typical Performance Characteristics ............................................. 6 Constant Dropout Post Regulator ............................................ 12 Theory of Operation ........................................................................ 9 Outline Dimensions ....................................................................... 13 Application Information ................................................................ 10 Ordering Guide .......................................................................... 13 REVISION HISTORY 8/2017Rev. C to Rev. D 11/2011Rev. A to Rev. B Changes to General Description Section and Table 1 Title ........ 1 Changed T = 20C to +85C to T = 25C to +85C ............. 2 A A Changes to Ordering Guide .......................................................... 13 Changed Operating Ambient Temperature Range from 20C to +85C to 25C to +85C ............................................................ 3 3/2014Rev. B to Rev. C Changed Operating Junction Temperature Range from 20C Changed SO-8 Package Notation to SOIC N............ Throughout to +85C to 25C to +125C .......................................................... 3 Changes to General Description, Added Table 1 Renumbered Updated Outline Dimensions .......................................................... 9 Sequentially ....................................................................................... 1 Changes to Ordering Guide ............................................................. 9 Changed Figure 1 to Figure 1 and Figure 2 Renumbered Sequentially ....................................................................................... 1 Changes to Table 6 ............................................................................ 5 Changes to Ordering Guide ............................................................ 9 Rev. D Page 2 of 16