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MCP120-270FI Datasheet(PDF) 1 Page - Microchip Technology |
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MCP120-270FI Datasheet(HTML) 1 Page - Microchip Technology |
1 / 16 page 2001 Microchip Technology Inc. DS11184D-page 1 MCP120/130 FEATURES • Holds microcontroller in reset until supply voltage reaches stable operating level • Resets microcontroller during power loss • Precision monitoring of 3V, 3.3V and 5V systems • 7 voltage trip points available • Active low RESET pin • Open drain output • Internal pull-up resistor (5 k Ω) for MCP130 • Holds RESET for 350 ms (typical) • RESET to VCC = 1.0V • Accuracy of ±125 mV for 5V systems and ±75 mV for 3V systems over temperature •45 µA typical operating current • Temperature range: - Industrial (I): -40 °C to +85°C DESCRIPTION The Microchip Technology Inc. MCP120/130 is a volt- age supervisory device designed to keep a microcon- troller in reset until the system voltage has reached the proper level and stabilized. It also operates as protec- tion from brown-out conditions when the supply voltage drops below a safe operating level. Both devices are available with a choice of seven different trip voltages and both have open drain outputs. The MCP130 has an internal 5 k Ω pullup resistor. Both devices have active low RESET pins. The MCP120/130 will assert the RESET signal whenever the voltage on the VDD pin is below the trip-point voltage. PACKAGES BLOCK DIAGRAM VSS VDD RST VSS VDD VSS VDD RST VSS VDD RST VSS RST VDD TO-92 with ‘D’ Bondout TO-92 WITH ‘F’ BONDOUT TO-92 with ‘G’ Bondout TO-92 with ‘H’ Bondout SOT-23-3 MCP120 MCP130 MCP130 MCP120 MCP130 MCP120 MCP120 MCP130 RST VDD NC VSS 1 2 3 4 8 7 6 5 NC NC NC NC 150mil SOIC MCP120 MCP130 RST Delay Circuit Output Driver RESET VDD + - Comparator pull-up on MCP130 5k Ω internal Bandgap Reference only Microcontroller Supervisory Circuit with Open Drain Output |
Similar Part No. - MCP120-270FI |
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Similar Description - MCP120-270FI |
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