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TC1300VUA Arkusz danych(PDF) 1 Page - Microchip Technology |
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TC1300VUA Arkusz danych(HTML) 1 Page - Microchip Technology |
1 / 16 page 2002 Microchip Technology Inc. DS21385C-page 1 M Features • LDO with Integrated Microcontroller Reset Monitor Functionality • Low Input Supply Current (80 µA, typical) • Very Low Dropout Voltage • 10 µsec (typ.) Wake-Up Time from SHDN • 300 mA Output Current • Standard or Custom Output and Detected Voltages • Power-Saving Shutdown Mode • Bypass Input for Quiet Operation • Separate Input for Detected Voltage • 140 msec Minimum RESET Output Duration • Space-Saving MSOP Package • Specified Junction Temperature Range: -40°C to +125°C Applications • Battery-Operated Systems • Portable Computers • Medical Instruments • Pagers • Cellular / GSM / PHS Phones Related Literature • AN765, “Using Microchip’s Micropower LDOs”, DS00765. • AN766, “Pin-Compatible CMOS Upgrades to Bipolar LDOs”, DS00766. • AN792, “A Method to Determine How Much Power a SOT23 Can Dissipate in an Application”, DS00792. Package Type General Description The TC1300 combines a low dropout regulator and a microcontroller reset monitor in an 8-Pin MSOP pack- age. Total supply current is 80 µA (typical), 20 to 60 times lower than bipolar regulators. The TC1300 has a precise output with a typical accu- racy of ±0.5%. Other key features include low noise operation, low dropout voltage and internal feed- forward compensation for fast response to step changes in load. The TC1300 has both over-tempera- ture and over-current protection. When the shutdown control (SHDN) is low, the regulator output voltage falls to zero, RESET output remains valid and supply cur- rent is reduced to 30 µA (typical). The TC1300 is rated for 300 mA of output current and stable with a 1 µF out- put capacitor. An active-low RESET is asserted when the detected voltage (VDET) falls below the reset voltage threshold. The RESET output remains low for 300 msec (typical) after VDET rises above reset threshold. The TC1300 also has a fast wake-up response time (10 µsec., typical) when released from shutdown. Typical Application Circuit 1 2 3 4 V IN V DET 5 6 7 8 NC V OUT GND Bypass SHDN RESET TC1300VUA MSOP TC1300 1 2 3 4 5 6 7 8 VOUT CBYPASS 470 pF (Optional) Shutdown Control (from Power Control Logic) GND Bypass VIN SHDN VOUT C1 1µF RESET RESET VDET NC C2 1µF Battery VDET TC1300 300 mA CMOS LDO with Shutdown, Bypass and Independent Delayed Reset Function |
Podobny numer części - TC1300VUA |
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Podobny opis - TC1300VUA |
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