Datenblatt-Suchmaschine für elektronische Bauteile |
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TC54VC1501EMBTR Datenblatt(PDF) 1 Page - Microchip Technology |
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TC54VC1501EMBTR Datenblatt(HTML) 1 Page - Microchip Technology |
1 / 12 page 2002 Microchip Technology Inc. DS21434C-page 1 M TC54 Features • Precise Detection Thresholds: Standard ±2.0%, Custom ±1.0% • Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89, 5-Pin SOT-23A (7.7V only) • Low Current Drain: Typ. 1 µA • Wide Detection Range: 1.1V to 6.0V and 7.7V • Wide Operating Voltage Range: 0.7V to 10V Applications • Battery Voltage Monitoring • Microprocessor Reset • System Brown-out Protection • Switching Circuit in Battery Backup • Level Discriminator Device Selection Table Other output voltages are available. Please contact Microchip Technology Inc. for details. Package Type General Description The TC54 Series are CMOS voltage detectors, suited especially for battery-powered applications because of their extremely low 1 µA operating current and small surface-mount packaging. Each part is laser trimmed to the desired threshold voltage which can be specified from 1.1V to 6.0V and 7.7V, for a 2% and 1.5V to 6.0V for a 1% tolerance. The device includes a comparator, low-current high- precision reference, laser-trimmed divider, hysteresis circuit and output driver. The TC54 is available with either an open-drain or complementary output stage. In operation, the TC54's output (VOUT) remains in the logic HIGH state as long as VIN is greater than the specified threshold voltage (VDET -). When VIN falls below VDET - the output is driven to a logic LOW. VOUT remains LOW until VIN rises above VDET - by an amount VHYST, whereupon it resets to a logic HIGH. Functional Block Diagram Part Number Package Temp. Range TC54-xxxxxxxxxxx 3-Pin SOT-23A -40°C to +85°C TC54-xxxxxxxxxxx 3-Pin SOT-89 -40°C to +85°C TC54-xxxxxxxxxxx 5-Pin SOT-23A -40°C to +85°C 13 2 VIN VIN VSS VOUT VSS VOUT TC54 TC54 1 3 2 3-Pin SOT-23A 3-Pin SOT-89 5 5-Pin SOT-23A TC54 1 3 4 2 NC VOUT VIN VSS NC NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59. 5-Pin SOT-23A is equivalent to the EIAJ SC-74A. VOUT TC54VC only VSS 1 3 + – VIN 2 VREF TC54VN has open-drain output. TC54VC has complementary output. Voltage Detector |
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