UC3843BN ON Semiconductor, UC3843BN Datasheet - Page 22

• 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
Part Number to be
SZMMBZ5242ELT1
SZMMBZ5243BLT1
SZMMBZ5245BLT3
SZMMBZ5246BLT1
SZMMBZ5246ELT1
SZMMBZ5250BLT1
SZMMBZ5250ELT1
SZMMBZ5252BLT1
SZMMBZ5253BLT1
SZMMBZ5254BLT1
SZMMBZ5257BLT1
SZMMBZ5259ELT1
SZMMBZ5260BLT1
SZMMBZ5261ELT1
SZMMBZ5263ELT1
SZMMBZ5264BLT1
SZMMSZ4690ET3
SZMMSZ4699ET1
SZBZX84C22ET1
SZBZX84C24ET1
SZBZX84C24ET3
SZBZX84C27ET1
SZBZX84C27ET3
SZBZX84C30ET1
SZBZX84C33ET1
SZBZX84C33ET3
SZBZX84C36ET1
SZBZX84C39ET1
SZBZX84C43ET1
SZBZX84C47ET1
SZBZX84C47ET3
SZBZX84C62ET1
SZBZX84C75ET3
SZBZX84C56LT1
SZBZX84C68LT1
SZBZX84C75LT1
SZMMSZ4697T1
SZMMQA20VT1
SZMMQA27VT1
SZMM3Z15VT1
SZMMSZ13ET1
SZMMSZ15ET1
SZMMSZ18ET1
SZMMSZ27ET1
Discontinued
SZMMSZ12T1
SZMMSZ16T1
SZMMSZ22T1
SZMMSZ24T1
SZMMSZ27T3
Suggested Replacement Part
SZMMBZ5242ELT1G
SZMMBZ5243BLT1G
SZMMBZ5245BLT3G
SZMMBZ5246BLT1G
SZMMBZ5246ELT1G
SZMMBZ5250BLT1G
SZMMBZ5250ELT1G
SZMMBZ5252BLT1G
SZMMBZ5253BLT1G
SZMMBZ5254BLT1G
SZMMBZ5257BLT1G
SZMMBZ5259ELT1G
SZMMBZ5260BLT1G
SZMMBZ5261ELT1G
SZMMBZ5263ELT1G
SZMMBZ5264BLT1G
SZMMSZ4690ET3G
SZMMSZ4699ET1G
SZBZX84C22ET1G
SZBZX84C24ET1G
SZBZX84C24ET3G
SZBZX84C27ET1G
SZBZX84C27ET3G
SZBZX84C30ET1G
SZBZX84C33ET1G
SZBZX84C33ET3G
SZBZX84C36ET1G
SZBZX84C39ET1G
SZBZX84C43ET1G
SZBZX84C47ET1G
SZBZX84C47ET3G
SZBZX84C62ET1G
SZBZX84C75ET3G
SZBZX84C56LT1G
SZBZX84C68LT1G
SZBZX84C75LT1G
SZMMSZ4697T1G
SZMMQA20VT1G
SZMMQA27VT1G
SZMMSZ13ET1G
SZMMSZ15ET1G
SZMMSZ18ET1G
SZMMSZ27ET1G
SZMM3Z15VT1G
SZMMSZ12T1G
SZMMSZ16T1G
SZMMSZ22T1G
SZMMSZ24T1G
SZMMSZ27T3G
Rev.08-24-05
(Pb Free)
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