Texas Instruments UC3843D
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 50ns 0C~70C TA Up to 500kHz 13.5V
$ 0.904
NRND
Inventory History
3 month trend: -0.56%
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
$ 0.904
$ 0.494
$ 0.494
Stock
370,683
129,082,313
129,082,313
Authorized Distributors
5
5
5
Topology
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Output Voltage
13.5 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
14
14
14
Supply Chain
Lifecycle StatusNRND (Last Updated: 4 days ago)
Manufacturer Lifecycle StatusNRND (Last Updated: 4 days ago)
Descriptions
Descriptions of Texas Instruments UC3843D provided by its distributors.
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 50ns 0C~70C TA Up to 500kHz 13.5V
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70
Current Mode PWM Controller 1A 14-Pin SOIC N Rail
12V 28V SOIC-14 SMD mount 8.65mm*3.91mm*1.58mm
PWM CONTROLLER CURRENT MODE, SOIC14
UCx84x Current-Mode PWM Controllers
UC3843 CURRENT-MODE PWM CONTROLL
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: -0.56%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOIC
Number of Pins14
Weight122.413241 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 Voltage25 V
Number of Channels1
Number of Outputs1
Output Current1 A
Output TypeTOTEM POLE
Output Voltage13.5 V
Quiescent Current11 mA
Rise Time50 ns
Switching Frequency500 kHz
TopologyBoost, Buck, Buck-Boost, Flyback
Dimensions
Height0 m
Length8.65 mm
Thickness1.58 mm
Width3.91 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements