RT9011-MGGQWC

RT9011 Portable Power Management 300mA Dual LDO Regulator General Description Features z Wide Operating Voltage Ranges : 2.5V to 5.5V The RT9011 is a dual channel, low noise, and low dropout z Low-Noise for RF Application regulator sourcing up to 300mA at each channel. The range z No Noise Bypass Capacitor Required of output voltage is from 1.2V to 3.6V by operating from z Fast Response in Line/Load Transient 2.5V to 5.5V input. z TTL-Logic-Controlled Shutdown Input The RT9011 offers 2% accuracy, extremely low dropout z Low Temperature Coefficient voltage (240mV @ 300mA), and extremely low ground zz z zz Dual LDO Outputs (300mA/300mA) current, only 27A per LDO. The shutdown current is near zz z zz Ultra-low Quiescent Current 27A/LDO zero current which is suitable for battery-power devices. zz z zz High Output Accuracy 2% Other features include current limiting, over temperature, zz z zz Short Circuit Protection output short circuit protection. zz z zz Thermal Shutdown Protection The RT9011 is short circuit thermal folded back protected. zz z zz Current Limit Protection The IC lowers its OTP trip point from 165C to 110C when zz z zz Short Circuit Thermal Folded Back Protection output short circuit occurs (VOUT < 0.4V) providing zz z zz Tiny TSOT-23-6 and 6-Lead/8-Lead/10-Lead WDFN maximum safety to end users. Packages zz z zz RoHS Compliant and 100% Lead (Pb)-Free The RT9011 can operate stably with very small ceramic output capacitors, reducing required board space and Applications component cost. The RT9011 is available in fixed output zz z zz CDMA/GSM Cellular Handsets voltages in the TSOT-23-6, WDFN-8L 2x2, WDFN-10L 3x3, zz z zz Battery-Powered Equipment WDFN-8L 3x3 and WDFN-6L 1.6x1.6 packages. zz z zz Laptop, Palmtops, Notebook Computers zz z zz Hand-Held Instruments Ordering Information zz z zz PCMCIA Cards RT9011- zz z zz Portable Information Appliances Package Type J6 : TSOT-23-6 Marking Information QW : WDFN-8L 2x2 (W-Type) QWA : WDFN-10L 3x3 (W-Type) For marking information, contact our sales representative QWB : WDFN-8L 3x3 (W-Type) directly or through a Richtek distributor located in your QWC : WDFN-6L 1.6x1.6 (W-Type) area. Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) Available Voltage Version Output Voltage : VOUT1/VOUT2 Code Voltage Code Voltage Code Voltage VOUT2 > VOUT1 is Recommended Note : A 3.5 B 1.3 C 1.2 Richtek products are : D 1.85 E 2.1 F 1.5 ` RoHS compliant and compatible with the current require- G 1.8 H 2 J 2.5 ments of IPC/JEDEC J-STD-020. K 2.6 L 2.7 M 2.8 ` Suitable for use in SnPb or Pb-free soldering processes. N 2.85 P 3 Q 3.1 R 3.2 S 3.3 T 2.65 V 2.9 W 1.6 X 3.15 Y 1.9 DS9011-08 April 2011 www.richtek.com 1RT9011 Pin Configurations (TOP VIEW) VOUT1 VIN EN1 VIN 1 8 VIN 1 10 VIN 1 8 VOUT1 VOUT1 VOUT1 6 5 4 1 6 VOUT1 VIN 9 EN1 2 VOUT2 2 7 2 7 EN1 VOUT2 EN1 NC 2 5 GND GND EN1 GND VOUT2 3 GND 8 NC EN2 6 6 EN2 3 NC EN2 3 GND 7 4 7 NC NC 3 4 EN2 GND 23 9 11 9 NC 4 5 GND 5 GND NC 4 5 VOUT2 NC VOUT2 GND EN2 TSOT-23-6 WDFN-8L 2x2 WDFN-10L 3x3 WDFN-8L 3x3 WDFN-6L 1.6x1.6 Typical Application Circuit V VIN IN C IN VOUT1 V OUT1 C 1uF OUT1 RT9011 1uF EN1 Chip Enable VOUT2 V OUT2 C OUT2 EN2 1uF GND Functional Pin Description Pin No. Pin Name Pin Function WDFN-8L WDFN-10L WDFN-8L WDFN-6L TSOT-23-6 2x2 3x3 3x3 1.6x1.6 5 1 1 1 1 VIN Supply Input. 4 2 2 2 2 EN1 Chip Enable1 (Active High). 3 3 3 3 3 EN2 Chip Enable2 (Active High). 5, 6, 6, 4, Common Ground. The exposed pad must be 2 Exposed Exposed Exposed Exposed GND soldered to a large PCB and connected to Pad (9) Pad (11) Pad (9) Pad (7) GND for maximum power dissipation. 1 7 9 5 5 VOUT2 Channel 2 Output Voltage. 6 8 10 8 6 VOUT1 Channel 1 Output Voltage. -- 4, 6 4, 5, 7, 8 4, 7 -- NC No Internal Connection. www.richtek.com DS9011-08 April 2011 2 9