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RT9168A-50CS Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 13 page RT9168/A DS9168/A-03 May 2001 www.richtek-ic.com.tw 1 200mA/500mA Fixed Output Voltage LDO Regulator General Description The RT9168/A is a 200mA/500mA low dropout and micropower regulator suitable for portable applications. The output voltages range from 1.5V to 5.0V in 100mV increments and 2% accuracy. The RT9168/A is designed for use with very low ESR capacitors. The output remains stable even with a 1 µF ceramic output capacitor. The RT9168/A uses an internal PMOS as the pass device, which does not cause extra GND current in heavy load and dropout conditions. The shutdown mode of nearly zero operation current makes the IC suitable for battery-powered devices. Other features include current limiting and over temperature protection. The SOP-8 and SOT-25 packages are also available for larger power dissipation and design flexibility. Applications Cellular Telephones Laptop, Notebook, and Palmtop Computers Battery-powered Equipment Hand-held Equipment Ordering Information RT9168/A- Features Stable with Low-ESR Output Capacitor Low Dropout Voltage (220mV at 200mA) Low Operation Current - 80 µµµµA Typical Shutdown Function Low Temperature Coefficient Current and Thermal Limiting Custom Voltage Available SOT-25 and SOP-8 Packages Pin Configurations Part Number Pin Configurations RT9168/A- CBR (Plastic SOT-25) TOP VIEW 1. OUT 2. GND 3. IN 4. SHDN 5. NC RT9168/A- CS RT9168/A- CSH (Plastic SOP-8) TOP VIEW Typical Application Circuit Package type BR : SOT-25 S : SOP-8 SH : SOP-8, High shutdown Operating temperature range C: Commercial standard Output voltage 15 : 1.5V 16 : 1.6V : : 49 : 4.9V 50 : 5.0V 500mA Output current 200mA Output current 54 3 2 1 OUT GND GND NC IN GND GND SHDN/SHDN 1 2 3 4 8 7 6 5 RT9168 GND IN OUT VOUT COUT 1 µF VIN CIN 1 µF SHDN NC SHDN |
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