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RT9012 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9012 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 11 page  RT9012 Preliminary 1 DS9012-06 August 2007 www.richtek.com Ordering Information Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area, otherwise visit our website for detail. General Description RT9012 is a dual channel, low noise, and low dropout with the sourcing ability up to 300mA and power-on reset function. The range of output voltage is from 1.2V to 3.6V by operating from 2.5V to 5.5V input. RT9012 offers 2% accuracy, extremely low dropout voltage (240mV @ 300mA), and extremely low ground current, only 27 μA per LDO. The shutdown current is near zero current which is suitable for battery-power devices. Other features include current limiting, over temperature, output short circuit protection. RT9012 is short circuit thermal folded back protected. RT9012 lowers its OTP trip point from 165 °C to 110°C when output short circuit occurs (VOUT < 0.4V) providing maximum safety to end users. RT9012 can operate stably with very small ceramic output capacitors, reducing required board space and component cost. RT9012 is available in fixed output voltages in the WDFN-8L 2x2 package. Note : Richtek Pb-free and Green products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 100% matte tin (Sn) plating. Pin Configurations (TOP VIEW) 300mA Dual LDO Regulator with POR Applications CDMA/GSM Cellular Handsets Battery-Powered Equipment Laptop, Palmtops, Notebook Computers Hand-Held Instruments PCMCIA Cards Portable Information Appliances WDFN-8L 2x2 Features Wide Operating Voltage Ranges : 2.5V to 5.5V Low-Noise for RF Application No Noise Bypass Capacitor Required Fast Response in Line/Load Transient TTL-Logic-Controlled Shutdown Input Low Temperature Coefficient Dual LDO Outputs (300mA/300mA) Ultra-low Quiescent Current 27 μμμμμA/LDO High Output Accuracy 2% Short Circuit Protection Thermal Shutdown Protection Current Limit Protection Short Circuit Thermal Folded Back Protection Tiny 8-Lead WDFN Package RoHS Compliant and 100% Lead (Pb)-Free RT9012- Package Type QW : WDFN-8L 2x2 (W-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) Output Voltage : VOUT1/VOUT2 CM : 1.20V/2.80V, FM : 1.50V/2.80V FS : 1.50V/3.30V, GK : 1.80V/2.60V GM : 1.80V/2.80V, GP : 1.80V/3.00V GS : 1.80V/3.30V, JG : 2.50V/1.80V JM : 2.50V/2.80V, JP : 2.50V/3.00V JS : 2.50V/3.30V, JN : 2.50V/2.85V MG : 2.80V/1.80V, MM : 2.80V/2.80V NN : 2.85V/2.85V, PP : 3.00V/3.00V VIN EN1 VOUT1 VOUT2 POR EN2 7 6 5 1 2 3 4 8 SET GND 9 |
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