onsemi UC3843DX
Obsolete
Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date2000-09-21
Lifecycle StatusObsolete (Last Updated: 6 months ago)
Related Parts
onsemiUC3842BDR2G
UC3842B Series 30 V 275 KHz High Performance Current Mode Controller - SOIC-14
onsemiUC3844BDR2G
UC3844B Series 17 mA 275 kHz High Performance Current Mode Controller - SOIC-14
Descriptions
Descriptions of onsemi UC3843DX provided by its distributors.
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
SMPS Controller | IC REG CTRLR 14SOIC
UC3843 Boost Flyback Tape & Reel (TR) Positive DC to DC switching controller 35ns 17mA 30V Up to 500kHz
Supervisory Circuits Current Mode PWM Control IC
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/PackageSOP
MountSurface Mount
Number of Pins14
Number of Terminals14
Technical
Duty Cycle100 %
Fall Time35 ns
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
Nominal Input Voltage15 V
Nominal Supply Current17 mA
Number of Circuits1
Number of Outputs1
Operating Supply Current17 mA
Output Current1 A
Rise Time45 ns
Switching Frequency500 kHz
Temperature GradeCommercial
Dimensions
Height - Seated (Max)1.8 mm
Length8.56 mm
Terminal Pitch1.27 mm
Width3.95 mm