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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RT9181CB 데이터시트(PDF) 1 Page - Richtek Technology Corporation |
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RT9181CB 데이터시트(HTML) 1 Page - Richtek Technology Corporation |
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1 / 10 page  Preliminary RT9181 DS9181-00 February 2002 www.richtek-ic.com.tw 1 150mA LDO Regulator with POG General Description The RT9181 is a low dropout voltage regulator with an output 2% accuracy and supply a continuous 150mA current within operating range from a +3V to +5.5V input. The power good function monitors the output voltage and indicates by pulling low the power good output (open drain). The RT9181 requires a small output capacitor with low ESR for stabilizing output voltage. The device also minimizes output overshoot during power up. The RT9181 uses an internal PMOS as the pass device, which consumes 160 µA supply current independent of load and dropout conditions. The CE pin controls the output and consumes no input bias current. Other features include current limiting, over temperature protection, and under voltage lockout. Applications Processor Power-Up Sequencing Laptop, Notebook, and Palmtop Computers Ordering Information RT9181 Features Low Dropout Voltage Regulator, Output 1.2V Up to 150mA Output Current Power Good (POG) Function Chip Enable/Shutdown Function Load Independent, Low Ground Current, 160 µµµµA Current Limiting and Thermal Protection Under Voltage Lockout (UVLO) Low Variation Due to Load and Line Regulation Output Stable with Low ESR Capacitors SOT-25 Package Pin Configurations Part Number Pin Configurations RT9181CB (Plastic SOT-25) TOP VIEW 1. VIN 2. GND 3. CE 4. POG 5. VOUT Typical Application Circuit Operating temperature range C: Commercial standard Package type B : SOT-25 54 3 2 1 VIN CE GND POG VOUT CIN 1 µF VIN ON OFF COUT 1 µF VOUT POG 10K |
유사한 부품 번호 - RT9181CB |
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