Texas Instruments UC3843D8
TEXAS INSTRUMENTS UC3843D8PWM Controller, 25V-12V supply, 450 kHz, 5V/1A out, SOIC-8
$ 0.923
NRND
Inventory History
3 month trend: -3.12%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.923
$ 0.381
$ 0.381
Stock
34,597,074
269,636
269,636
Authorized Distributors
5
5
5
Topology
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Output Voltage
5 V
13.5 V
13.5 V
Min Input Voltage
-
-
-
Max Input Voltage
-
-
-
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
-
-
-
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
SOIC
SOIC
SOIC
Number of Pins
8
8
8
Supply Chain
Lifecycle StatusNRND (Last Updated: 6 days ago)
Manufacturer Lifecycle StatusNRND (Last Updated: 6 days ago)
Related Parts
Texas InstrumentsTL2843BDR-8
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8-Pin SOIC T/R
Descriptions
Descriptions of Texas Instruments UC3843D8 provided by its distributors.
TEXAS INSTRUMENTS UC3843D8PWM Controller, 25V-12V supply, 450 kHz, 5V/1A out, SOIC-8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 8-SOIC 0 to 70
Current Mode PWM Controller 1A 8-Pin SOIC Tube
11mA 300mV 12V 5V 28V SOIC-8 SMD mount 1.75mm(height)
UC3843 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 11mA 72.603129mg 5V
IC REG CTRLR MULT TOPOLOGY 8SOIC
UCx84x Current-Mode PWM Controllers
UC3843 CURRENT-MODE PWM CONTROLL
PWM CONTROLLER, SMD, 3843, SOIC8; Input Voltage:15V; Output Voltage:5V; Output Current:200mA; Frequency:500kHz; Power Dissipation Pd:650mW; Supply Voltage Range:12V to 25V; Digital IC Case Style:SOIC; No. of Pins:8; Operating Temperature Range:0°C to +70°C; Base Number:3843; Controller Type:PWM; IC Generic Number:3843; IC Temperature Range:Commercial; Input Current:11mA; Input Voltage Max:25V; Logic Function Number:3843; Operating Temperature Max:70°C; Operating Temperature Min:0°C; Output Current Max:1A; Output Energy per Cycle:5µJ; Output Type:Totem Pole; Package / Case:SOIC; Power Supply IC Type:PWM controller; Supply Voltage Max:25V; Supply Voltage Min:12V; Termination Type:SMD
Manufacturer Aliases
Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:
- TI
- TEXAS
- TEXAS INST
- TEXAS INSTR
- TEXAS INSTRUMENT
- TEXAS INSTRUMENTS INC
- TEXAS INS
- TEXAS INSTRU
- TEXAS INSTRUMEN
- TI/NS
- TEX
- Texas Instruments (TI)
- TEXASIN
- TEXAS INSTRUMENTS INCORPORATED
- TEXINS
- TEXAS INTRUMENTS
- TEAXS
- TEXASI
- TI Texas Instruments
- TEXAS INSTRUM
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -3.12%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOIC
Number of Pins8
Weight72.603129 mg
Technical
Duty Cycle100 %
Fall Time50 ns
Frequency450 kHz
Input Current11 mA
Max Duty Cycle100 %
Max Frequency500 kHz
Max Operating Temperature70 °C
Max Supply Voltage30 V
Min Operating Temperature0 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
Number of Outputs1
Operating Supply Current11 mA
Output Current1 A
Output TypeTOTEM POLE
Output Voltage5 V
Power Dissipation650 mW
Quiescent Current11 mA
Rise Time50 ns
Switching Frequency500 kHz
TopologyBoost, Buck, Buck-Boost, Flyback
Dimensions
Height1.75 mm
Length4.9 mm
Thickness1.58 mm
Width3.91 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements