RT9022GE Richtek

RT9022 High Voltage, Low Quiescent, 60mA LDO Regulator General Description Features zz z zz Low Quiescent Current (Typically 40A) The RT9022 is designed for positive CCD bias applications zz z zz Wide Operating Voltage Ranges : 5V to 20V with critical performance and space requirements. The zz z zz Ultra-Fast Transient Response RT9022 performance is optimized for battery-powered zz z zz Tight Load and Line Regulation systems to deliver low noise and low quiescent current zz z zz Current Limiting Protection and with soft start function. zz z zz Thermal Shutdown Protection The RT9022 also works well with low-ESR ceramic zz z zz Adjustable Soft Start Time capacitors, reducing the amount of board space necessary zz z zz RoHS Compliant and 100% Lead (Pb)-Free for power applications and consumes less than 1A in shutdown mode. Applications The other features include ultra low dropout voltage, high z DSC output accuracy, and current limiting protection. The part z Camcorder is available in the SOT-23-6, TSOT-23-6 and SC-70-6 packages. Pin Configurations Ordering Information (TOP VIEW) RT9022 EN SS FB Package Type E : SOT-23-6 6 5 4 J6 : TSOT-23-6 23 U6 : SC-70-6 Lead Plating System VIN GND VOUT P : Pb Free SOT-23-6 / TSOT-23-6 / SC-70-6 G : Green (Halogen Free and Pb Free) Note : Richtek products are : Typical Application Circuit RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. 1 3 V VIN VOUT V IN OUT Suitable for use in SnPb or Pb-free soldering processes. 1nF RT9022 1F R1 2.2F 6 4 ON EN FB OFF R2 52 SS GND R1 V = V (1+ ) V OUT FB R2 Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9022-04 March 2012 www.richtek.com 1RT9022 Marking Information RT9022GE RT9022GU6 D9= : Product Code A0= : Product Code A0=W D9=DNN DNN : Date Code W : Date Code RT9022PE RT9022PU6 D9- : Product Code A0- : Product Code A0-W D9-DNN DNN : Date Code W : Date Code Function Block Diagram EN Shutdown VIN and Logic Control V REF MOS Driver + FB Error VOUT Amplifier SS Current Limit and Thermal Soft Start GND Protection Functional Pin Description Pin No. Pin Name Pin Function 1 VIN Power Input Voltage. 2 GND Ground. 3 VOUT Output Voltage. 4 FB Output Voltage Feedback. 5 SS Soft Start and Noise Bypass. 6 EN Chip Enable. (Active High) Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS9022-04 March 2012 2 -