Product Summary

The MC145010P is an advanced smoke detector component containing sophisticated very-low-power analog and digital circuitry. The MC145010P is used with an infrared photoelectric chamber. Detection is accomplished by sensing scattered light from minute smoke particles or other aerosols. When detection occurs, a pulsating alarm is sounded via on-chip push-pull drivers and an external piezoelectric transducer.

Parametrics

MC145010P absolute maximum ratings: (1)DC Supply Voltage, VDD: -0.5 to +15 V; (2)DC Input Voltage, VIN: -0.25 to VDD +0.25V at C1, C2, Detect; -0.25 to VDD +0.25V at OSC, Low-Supply Trip; -0.25 to VDD +10V at I/O; -15 to +25V at Feedback; -1.0 to VDD +0.25V at Test; (3)DC Input Current per Pin, IIN: ±10 mA; (4)DC Output Current per Pin, IOUT: ±25 mA; (5)DC Supply Current, VDD and VSS Pins, IDD: +25 / -150 mA; (6)Power Dissipation in Still Air, PD: 1200mW at 5 Seconds; 350mW at Continuous; (7)Storage Temperature Range, TSTG: -55 to +125℃; (8)Lead Temperature, 1 mm From Case for 10 Seconds, TL: 5.0℃.

Features

MC145010P features: (1)Circuit is designed to operate in smoke detector systems that comply with UL217 and UL268 Specifications; (2)Operating Voltage Range: 6 to 12 V; (3)Operating Temperature Range: - 10 to 60℃; (4)Average Supply Current: 12 μA; (5)Power-On Reset Places IC in Standby Mode (Non-Alarm State); (6)Electrostatic Discharge (ESD) and Latch Up Protection Circuitry on All Pins; (7)Chip Complexity: 2000 FETs, 12 NPNs, 16 Resistors, and 10 Capacitors; (8)Ideal for battery powered applications.

Diagrams

 MC145010P block diagram

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