RT9169/H 100mA, 4 A Quiescent Current CMOS LDO Regulator General Description Features zz z zz Ultra-Low Quiescent Current: 4A The RT9169/H series are 100mA ultra-low quiescent zz z zz Low Dropout: 450mV at 100mA current CMOS low dropout (LDO) regulator designed for zz z zz Wide Operating Voltage Ranges: 2V to 6V battery-powered equipments. The output voltages range zz z zz Current Limiting Protection from 1.2V to 5V with 0.1V per step. zz z zz Only 1F Output Capacitor Required for Stability The other features include 4A ultra-low quiescent, low zz z zz High Power Supply Rejection Ratio dropout voltage, high output accuracy, current limiting zz z zz RoHS Compliant and 100% Lead (Pb)-Free protection, and high ripple rejection ratio. Applications Ordering Information z Battery-Powered Equipment - RT9169/H Package Type z Palmtops, Notebook Computers ZL : TO-92 (L-Type) z Hand-held Instruments ZT : TO-92 (T-Type) z PCMCIA Cards X : SOT-89 V : SOT-23-3 Pin Configurations VL : SOT-23-3 (L-Type) B : SOT-23-5 (TOP VIEW) Lead Plating System P : Pb Free VIN VIN G : Green (Halogen Free and Pb Free) 3 3 Output Voltage 12 : 1.2V 2 2 13 : 1.3V VOUT GND GND VOUT : 49 : 4.9V SOT-23-3 SOT-23-3 (L-Type) 50 : 5.0V Chip Enable High (SOT-23-5 Only) VOUT NC 5 4 Chip Enable Low Note : 12 3 23 1. RT9169H package type is available in SOT-23-5 only. VIN GND EN/EN 2. Richtek products are : GND VIN VOUT SOT-23-5 RoHS compliant and compatible with the current require- (TAB) ments of IPC/JEDEC J-STD-020. SOT-89 Suitable for use in SnPb or Pb-free soldering processes. Marking Information VOUT 3 2 GND For marking information, contact our sales representative 1 VIN directly or through a Richtek distributor located in your TO-92 (L-Type) area. 3 GND 2 VIN 1 VOUT TO-92 (T-Type) DS9169/H-14 April 2011 www.richtek.com 1+ + + + RT9169/H Typical Application Circuit RT9169 V VIN VOUT V IN OUT C C V VIN VOUT V IN OUT RT9169/H IN OUT 1uF 1uF C GND C IN OUT EN/EN GND 1uF 1uF RT9169 RT9169H Chip Enable Chip Enable Function Block Diagram Functional Pin Description VIN Pin Name Pin Function VIN Power Input VOUT Output Voltage + Current Limit GND Ground - EN/EN VOUT EN/EN Chip Enable Control Input Absolute Maximum Ratings (Note 1) z Input Voltage ---------------------------------------------------------------------------------------------------------- 7V z Power Dissipation, P T = 25C D A SOT-23-3--------------------------------------------------------------------------------------------------------------- 0.4W SOT-23-5--------------------------------------------------------------------------------------------------------------- 0.4W SOT-89 ----------------------------------------------------------------------------------------------------------------- 0.571W TO-92 ------------------------------------------------------------------------------------------------------------------- 0.625W z Junction Temperature ----------------------------------------------------------------------------------------------- 150C z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------- 260C z Storage Temperature Range --------------------------------------------------------------------------------------- 65C to 150C z Package Thermal Resistance (Note 2) SOT-23-3, --------------------------------------------------------------------------------------------------------- 250C/W JA SOT-23-5, --------------------------------------------------------------------------------------------------------- 250C/W JA SOT-89, ----------------------------------------------------------------------------------------------------------- 175C/W JA TO-92, ------------------------------------------------------------------------------------------------------------- 160C/W JA z ESD Susceptibility (Note 3) HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 2kV MM (Machine Mode) ------------------------------------------------------------------------------------------------ 200V Recommended Operating Conditions (Note 4) z Junction Temperature Range -------------------------------------------------------------------------------------- 40C to 125C z Ambient Temperature Range -------------------------------------------------------------------------------------- 40C to 85C www.richtek.com DS9169/H-14 April 2011 2