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TC1017-2.8VCT Scheda tecnica(PDF) 1 Page - Microchip Technology |
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TC1017-2.8VCT Scheda tecnica(HTML) 1 Page - Microchip Technology |
1 / 22 page © 2005 Microchip Technology Inc. DS21813D-page 1 TC1017 Features • Space-saving 5-Pin SC-70 and SOT-23 Packages • Extremely Low Operating Current for Longer Battery Life: 53 µA (typ.) • Very Low Dropout Voltage • Rated 150 mA Output Current • Requires Only 1 µF Ceramic Output Capacitance • High Output Voltage Accuracy: ±0.5% (typ.) • 10 µs (typ.) Wake-Up Time from SHDN • Power-Saving Shutdown Mode: 0.05 µA (typ.) • Overcurrent and Overtemperature Protection • Pin-Compatible Upgrade for Bipolar Regulators Applications • Cellular/GSM/PHS Phones • Battery-Operated Systems • Portable Computers • Medical Instruments • Electronic Games • Pagers General Description The TC1017 is a high-accuracy (typically ±0.5%) CMOS upgrade for bipolar Low Dropout regulators (LDOs). It is offered in a SC-70 or SOT-23 package. The SC-70 package represents a 50% footprint reduc- tion versus the popular SOT-23 package and is offered in two pinouts to make board layout easier. Developed specifically for battery-powered systems, the TC1017’s CMOS construction consumes only 53 µA typical supply current over the entire 150 mA operating load range. This can be as much as 60 times less than the quiescent operating current consumed by bipolar LDOs. The TC1017 is designed to be stable, over the entire input voltage and output current range, with low-value (1 µF) ceramic or tantalum capacitors. This helps to reduce board space and save cost. Additional inte- grated features, such as shutdown, overcurrent and overtemperature protection, further reduce the board space and cost of the entire voltage-regulating application. Key performance parameters for the TC1017 include low dropout voltage (285 mV typical at 150 mA output current), low supply current while shutdown (0.05 µA typical) and fast stable response to sudden input voltage and load changes. Package Types SC-70 13 4 5 2 SHDN NC V OUT V IN GND TC1017 SOT-23 1 23 54 NC VOUT SHDN GND VIN TC1017 13 4 5 2 VIN GND NC VOUT SHDN TC1017R 150 mA, Tiny CMOS LDO With Shutdown |
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