UC3843BN ON Semiconductor, UC3843BN Datasheet - Page 19

• Manufacturer Part Number: UC3843BN
• Description: IC CTRLR CURRENT MODE HP 8DIP
• Manufacturer: ON Semiconductor

Specifications of UC3843BN

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 96%
• Voltage - Supply: 8.2 V ~ 25 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Frequency-max: 275kHz
• Duty Cycle (max): 96 %
• Output Voltage: 4.9 V to 5.1 V
• Output Current: 1000 mA
• Mounting Style: Through Hole
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 70 C
• Fall Time: 50 ns
• Minimum Operating Temperature: 0 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback, Forward
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: UC3843BNOS

Issue Date: 11 Feb 2009
SC74LCX16245DTR2
Part Number to be
SC68255DWT541R2
SCY994407DWR2
SCY994409DWR2
SC68254D595R2
SC78M08BDTRK
SCV41105DSR7
SCV41105DSR7
SCY99059SNT1
SCY994304DR2
SCY994408DR2
SCY996923DR2
SC79192DWR2
SC79192DWR2
SC79229DWR2
SCR5064RLRM
Discontinued
SCR5182RLRE
SCR5285RLRP
SCR5287RLRE
SCR5290RLRA
SC79184DTRK
SCY99011DR2
SC901013DR2
SE5532AD8R2
SC74808DR2
SC74914DR2
SC74915DR2
SC79135DR2
SC79140DR2
SC79155DR2
SC79161DR2
SC79181DR2
SC79181DR2
SCY994401P
SC79229DW
SE5230DR2
SE5532AD8
SC358DR2
SC393DR2
SC77710P
SE5534AN
SCR1665
SCR5258
SE5230D
SE5532N
SE5534N
SC339N
SC358N
SC393N
Suggested Replacement Part
SC74LCX16245DTR2G
SC68255DWT541R2G
SCY994407DWR2G
SCY994409DWR2G
SC68254D595R2G
SC78M08BDTRKG
SCV41105DSR7G
SCY99059SNT1G
SCY994304DR2G
SCY994408DR2G
SCY996923DR2G
SCR5064RLRMG
SC79192DWR2G
SC79192DWR2G
SC79229DWR2G
SCR5182RLREG
SCR5285RLRPG
SCR5287RLREG
SCR5290RLRAG
SC79184DTRKG
SCY99011DR2G
SE5532AD8R2G
SC901013DR2G
Rev.08-24-05
SC74808DR2G
SC74914DR2G
SC74915DR2G
SC79135DR2G
SC79140DR2G
SC79155DR2G
SC79161DR2G
SC79181DR2G
SC79181DR2G
None Identified
SCY994401PG
SC79229DWG
SE5230DR2G
SE5532AD8G
SC358DR2G
SC393DR2G
SE5534ANG
SC77710PG
SCR1665G
SCR5258G
SE5230DG
SE5532NG
SE5534NG
(Pb Free)
SC339NG
SC358NG
SC393NG
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