UC3843BN ON Semiconductor, UC3843BN Datasheet - Page 3

• 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

Product Discontinuance #16210
POSSIBLE REPLACEMENT PARTS:
Issue Date: 11 Feb 2009
ADM1022ARQ-REEL7
ADM1022ARQZ-REEL
ADM1025ARQZ-REEL
ADM1024ARU-REEL7
ADT7463ARQ-REEL7
ADT7466ARQZ-REEL
ADT7467ARQ-REEL7
ADT7468ARQ-REEL7
Part Number to be
ADM1021AARQZ-R7
ADM1022ARQ-REEL
ADM1024ARU-REEL
ADM1030ARQZ-RL7
ADT7463ARQ-REEL
ADT7467ARQ-REEL
ADT7468ARQ-REEL
ADT7461AR-REEL7
ADT7466ARQZ-RL7
ADM1022ARQZ-R7
ADM1023ARQZ-R7
ADM1025ARQZ-R7
ADM1031ARQZ-R7
ADM1024ARUZ-R7
ADT7460ARQZ-R7
ADT7463ARQZ-R7
ADT7467ARQZ-R7
ADT7461AR-REEL
74FST3257DR2
ADM1022ARQZ
ADM1025ARQZ
Discontinued
ADT7466ARQZ
ADT7468ARQZ
ADM1022ARQ
ADM1024ARU
ADT7463ARQ
ADT7467ARQ
ADT7468ARQ
2N5064RLRM
2N5089RLRE
2N6027RL1
2N7002LT3
2N6071AT
2N6071BT
2N6109
2N6497
Suggested Replacement Part
ADM1023ARQZ-REEL
ADM1024ARUZ-REEL
ADM1024ARUZ-REEL
ADM1024ARUZ-REEL
ADM1030ARQZ-REEL
ADM1031ARQZ-REEL
ADT7460ARQZ-REEL
ADT7463ARQZ-REEL
ADT7463ARQZ-REEL
ADT7463ARQZ-REEL
ADT7467ARQZ-REEL
ADT7467ARQZ-REEL
ADT7467ARQZ-REEL
ADT7476ARQZ-REEL
ADT7461ARZ-REEL7
ADT7461ARZ-REEL
ADM1021AARQZ-R
ADT7476ARQZ-R7
74FST3257DR2G
No Replacement
No Replacement
No Replacement
No Replacement
No Replacement
No Replacement
No Replacement
No Replacement
No Replacement
Rev.08-24-05
ADM1024ARUZ
2N5064RLRMG
ADT7463ARQZ
ADT7467ARQZ
ADT7476ARQZ
ADT7476ARQZ
2N5089RLREG
2N6027RL1G
2N7002LT3G
2N6071ATG
2N6071BTG
(Pb Free)
2N6109G
2N6497G
LM87
LM87
LM87
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Supplier
National
National
National
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