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CS8120YTVA5 Fiches technique(PDF) 1 Page - Cherry Semiconductor Corporation |
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CS8120YTVA5 Fiches technique(HTML) 1 Page - Cherry Semiconductor Corporation |
1 / 8 page 1 Features Over Voltage Shutdown RESET Comparator Error Amplifier TO VOUT + + - VREF ENABLE Comparator Bandgap Supply Output Current Limit Bandgap Reference Thermal Shutdown - VIN ENABLE RESET VOUT Gnd s 5V ± 4% Output Voltage 300mA s Low Dropout Voltage (1V @ 150mA) s Low Quiescent Current (2.5mA @ IOUT = 150mA) s µP Compatible Control Functions s Low Current Sleep Mode IQ=250µA s Fault Protection Thermal Shutdown Short Circuit 60V Load Dump ENABLE RESET Package Options 5 Lead TO-220 Tab (Gnd) 14 Lead SOIC Narrow 8 Lead PDIP 5V, 300mA Linear Regulator with and ENABLE RESET 1 CS8120 Description The CS8120 is a 5V, 300mA precision linear regulator with two microproces- sor compatible control functions and protection circuitry included on chip. The composite NPN-PNP output pass transistor assures a lower dropout volt- age (1V @ 200mA) without requiring excessive supply current (2.5mA). The CS8120Õs two logic control func- tions make this regulator well suited to applications requiring microprocessor- based control at the board or module level. controls the output stage. A high voltage (>2.9V) on the lead turns off the regula- torÕs pass transistor and sends the IC into Sleep mode where it draws only 250µA. The function sends a signal when the IC is power- ing up or whenever the output voltage moves out of regulation. The signal is valid down to VOUT = 1V. The CS8120 design optimizes supply rejection by switching the internal bandgap reference from the supply input to the regulator output as soon as the nominal output voltage is achieved. Additional on chip filtering enhances rejection of high frequency transients on all external leads. The CS8120 is fault protected against short circuit, over voltage and thermal runaway conditions. RESET RESET RESET ENABLE ENABLE Block Diagram * 1 VIN SENSE NC VOUT Gnd NC NC NC NC NC NC NC RESET ENABLE 1 VIN ENABLE Gnd RESET VOUT SENSE NC NC 1VIN 2 3 Gnd 4 5VOUT RESET ENABLE * TO-220 Block Diagram 1 5 Lead D2 PAK Rev. 2/3/98 Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: info@cherry-semi.com Web Site: www.cherry-semi.com A Company ¨ |
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