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MC7812

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Technical/Catalog InformationMC7812ACD2T
VendorON Semiconductor
CategoryIntegrated Circuits (ICs)
Regulator TypeSingle Output
Package / CaseD²Pak, SMD-220, TO-263 (2 leads + tab)
PackagingTube
Regulator TopologyPositive Fixed
Current - Output1A
Voltage - Output12V
Operating Temperature0°C ~ 125°C
Voltage - Input14.5 ~ 30 V
Number of Regulators1
Current - Limit (Min)2.2A
Current Short Circuit (Isc)200mA
Lead Free StatusContains Lead
RoHS StatusRoHS Non-Compliant
Other Names MC7812ACD2T
MC7812ACD2T
MC7812ACD2TOS ND
MC7812ACD2TOSND
MC7812ACD2TOS

Product Manufacturers Pack D/C
MC7812 Fairchild Semiconductor - -

Pinout/Connection Diagram

mc7812 Circuit
Circuit provides separate 0-50 MHz preamp Q1-Q7 and 50-500 MHz prescaler for Intersil IC M7207A 7-digit CMOS frequency counter. 500-MHz prescaler uses Fairchild 11C90 that drives TTL directly, with 2N5179 transistor as preamp. L1 and output capacitance of 2N5179 form low-Q resonant circuit. U3 is 50-MHz presealer for both preamps. Crystal frequency is 5.242880 MHz. 5-V regulators are MC7805, and 12-V regulator is MC7812. Article covers construction and adjustment.-J. H. Bordelon, Simple Front-Ends for a 500-MHz Frequency Counter, Ham Radio, Feb. 1978, p 30-33.

 

 

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PDF / Datasheet

MC7812ABD2T PDF Download

MC7812ABD2T

File Size: 240033 KB
Manufacturer: ONSEMI [ON Semiconductor]

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