STMicroelectronics UC3843BN
UC3843B Series 30 V 17 mA High Performance Current Mode PWM Controller - DIP-8
$ 0.469
Production
Inventory History
3 month trend: +13.56%
CAD Models
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Alternate Parts
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CAD Models
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Supply Chain
Country of OriginMainland China
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-06
Lifecycle StatusProduction (Last Updated: 6 months ago)
Related Parts
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IC LMC7660 Charge Pump Switching Regulator Negative Fixed -Vin -1.5V to -10V DIP-8
Descriptions
Descriptions of STMicroelectronics UC3843BN provided by its distributors.
UC3843B Series 30 V 17 mA High Performance Current Mode PWM Controller - DIP-8
PWM Controller, Current Mode, 12V to 25V Supply, 250kHz, 5.05V/200mA out, MiniDIP-8
PWM CONT, CURRENT MODE, 500KHZ, MINIDIP; Input Voltage: 15V; Output Voltage: 5V; Output Current: 1A; Supply Voltage Min: -; Supply Voltage Max: -; Controller IC Case Style: MiniDIP; No. of Pins: 8Pins; Frequency: 500kHz; Operati
Topology = Boost / Topology = Flyback / Outputs = 1 / Output Voltage V = 5 / Output Current A = 1 / Switching Frequency kHz = 500 / Supply Voltage Max. V = 30 / Operating Temperature Min. °C = 0 / Operating Temperature Max. °C = 70 / Package Type = PDIP / Pins = 8 / Mounting Type = SMD / Packaging = Tape & Reel / Length mm = 10.9 / Width mm = 9.75 / Height mm = 5
Manufacturer Aliases
STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:
- ST MICRO
- STM
- SGS
- SGS THOMSON
- INMOS
- STMICROE
- STMICROEL
- STMICR
- ST MIC
- ST MICROELECTRONIC
- SGS THOMPSON
- SESCOSEM
- STMICROELECT
- ST8
- STMICROELECTRON
- WAFERSCALE
- SGS-ATES
- ST MICROELECTRONICS SEMI
- ST/SGS
- ST MICROELECTRO
- SGST
- THOMS
- STMICROELE
- WAFERSCALE INTEGRATION INC
- SGS-Thomson Microelectronics
- ST Microeletronics
Inventory History
3 month trend: +13.56%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Number of Terminals8
Weight930.006106 mg
Technical
Duty Cycle100 %
Fall Time50 ns
Frequency250 kHz
Max Duty Cycle100 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Power Dissipation800 mW
Max Supply Current17 mA
Max Supply Voltage30 V
Max Switching Frequency500 kHz
Min Input Voltage8.2 V
Min Operating Temperature0 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Output Current1 A
Output Voltage5.1 V
Power Dissipation800 mW
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height3.32 mm
Height - Seated (Max)5.08 mm
Length10.92 mm
Terminal Pitch2.54 mm
Width7.62 mm
Compliance
Environmental Classification
China RoHSCompliant
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCYes
RoHSCompliant