onsemi UC3843N
Obsolete
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Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date2000-09-21
Lifecycle StatusObsolete (Last Updated: 4 months ago)
LTB Date2010-09-23
LTD Date2011-03-23
Descriptions
Descriptions of onsemi UC3843N provided by its distributors.
Boost Flyback Tube R-PDIP-T8 Positive DC to DC switching controller 1A 9.59mm 5V Up to 500kHz
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
PWM CONTROLLER, CURRENT MODE, 8DIP; Controller Type:SMPS; Max Output Current:1A; Output Type:Voltage; Frequency:500kHz; Power Dissipation:1200mW; Voltage, Supply Min:12V; Voltage, Supply Max:30V; Case Style:PDIP; No. of Pins:8; Operating Temperature Range:0°C to +70°C; Temp, Op. Max:70°C; Temp, Op. Min:0°C; Base Number:3843
PWM Controller IC; Controller Type:PWM; Input Voltage Primary Max:30V; Output Current Max:1A; Output Type:Current; Input Current:0.45mA; Frequency:500kHz; Power Dissipation, Pd:1.2W; Supply Voltage Min:12V; Termination Type:DIP ;RoHS Compliant: Yes
Manufacturer Aliases
onsemi has several brands around the world that distributors may use as alternate names. onsemi may also be known as the following names:
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON SEMICOND
- ON Semiconductor / Fairchild
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- ON SEMICONDUCTOR CORP
- onsemi / Fairchild
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Number of Terminals8
Technical
Duty Cycle100 %
Fall Time35 ns
Frequency500 kHz
Max Duty Cycle100 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Supply Voltage30 V
Max Switching Frequency500 kHz
Min Input Voltage12 V
Min Operating Temperature0 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Nominal Supply Current17 mA
Number of Circuits1
Number of Outputs1
Operating Supply Current17 mA
Output Current1 A
Output Voltage13 V
Rise Time45 ns
Switching Frequency500 kHz
Temperature GradeCommercial
Dimensions
Height3.4 mm
Height - Seated (Max)5.08 mm
Length9.2 mm
Terminal Pitch2.54 mm
Width7.62 mm