STMicroelectronics UC3843BD1
$ 0.903
Production
Inventory History
3 month trend: -84.40%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics UC3843BD1.
CAD Models
Download STMicroelectronics UC3843BD1 symbol, footprint, and 3D STEP models from our trusted partners.
| source | eCAD | mCAD | FILES |
|---|---|---|---|
 Component Search Engine | SymbolFootprint | 3D | Download |
 SnapEDA | Footprint | Download | |
 Ultra Librarian | SymbolFootprint | Download |
The partner site will open in a new tab when downloading their CAD models
By downloading CAD models from Octopart, you agree to our Terms & Conditions and Privacy Policy.
Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.903
$ 0.337
Stock
361,277
3,111,698
Authorized Distributors
6
5
Topology
Boost, Flyback
Boost, Flyback
Output Voltage
5.1 V
5.1 V
Min Input Voltage
8.2 V
8.2 V
Max Input Voltage
30 V
30 V
Max Input Current
-
-
Efficiency
-
-
Max Switching Frequency
500 kHz
500 kHz
Output Voltage Accuracy
-
-
Fault Protection
-
-
Synchronous Rectifier
No
-
Case/Package
SOP
SOP
Number of Pins
8
8
Supply Chain
Country of OriginMorocco
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-06
Lifecycle StatusProduction (Last Updated: 8 months ago)
Related Parts
onsemiNCP1217D65R2
Switching Controller, Current-mode, 0.5A, 71.5kHz Switching Freq-Max, CMOS, PDSO8
Descriptions
Descriptions of STMicroelectronics UC3843BD1 provided by its distributors.
UC3843B Series 30 V 500 kHz Surface Mount Current Mode PWM Controller - SOIC-8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Boost，Flyback No Up~500KHz Transistor Driver 1 5.1V 4.9V 30V 8.2V SOIC-8 SMD mount 1.75mm(height)
Pwm Controller, 500Khz, 15V, Soic-8; |Stmicroelectronics UC3843BD1
500kHz 7.6V~30V SOP-8 AC-DC Controllers & Regulators ROHS
PWM Pulse Width Modulator Controllers 0.5mA Current Mode
HIGH PERFORMANCE CURRENT MODE PWM CONTRL 1A 7.6~30V SO8
IC REG CTRLR BOOST/FLYBACK 8SO
PWM CONTROLLER, 500KHZ, 15V, SOIC-8; Input Voltage: -; Output Voltage: -; Output Current: 1A; Supply Voltage Min: 11V; Supply Voltage Max: 30V; Controller IC Case Style: SOIC; No. of Pins: 8Pins; Frequency: 500kHz; Operating Tem
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: -84.40%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins8
Number of Terminals8
Technical
Clock SyncNo
Duty Cycle100 %
Fall Time50 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 Voltage8.2 V
Min Operating Temperature0 °C
Nominal Input Voltage15 V
Number of Channels1
Number of Circuits1
Number of Output Phases1
Number of Outputs1
Output Current1 A
Output Voltage5.1 V
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
Synchronous RectifierNo
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height - Seated (Max)1.75 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm
Datasheets & Documents
Download datasheets and manufacturer documentation for STMicroelectronics UC3843BD1.
Compliance
Environmental Classification
China RoHSCompliant
Radiation HardeningNo
REACH SVHCUnaffected
RoHSCompliant