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For Reference Only
| Part Number | UC3843D |
| OEMstron Part # | UC3843D |
| Manufacturer | Texas Instruments |
| Category | Semiconductors › Power Management ICs › Voltage Regulators - DC DC Switching Controllers |
| Description | IC REG CTRLR MULT TOP 14SOIC |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | UC3843D PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | May 2 - May 7 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
UC3843D Specifications
| Part Number | UC3843D | |
| Brand | Texas Instruments | |
| Lifecycle | Active | |
| RoHS | No RoHS Information | |
| Product Line | Semiconductors | |
| Category | Power Management ICs | |
| Subcategory | Voltage Regulators - DC DC Switching Controllers | |
| Manufacturer | ||
| Series | - | |
| Output Type | Transistor Driver | |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | |
| Output Configuration | Positive | |
| Topology | Boost, Buck, Buck-Boost, Flyback, Forward | |
| Number of Outputs | 1 | |
| Output Phases | 1 | |
| Voltage - Supply (Vcc/Vdd) | 12V ~ 28V | |
| Frequency - Switching | Up to 500kHz | |
| Duty Cycle (Max) | 97% | |
| Synchronous Rectifier | No | |
| Clock Sync | No | |
| Serial Interfaces | - | |
| Control Features | Frequency Control | |
| Operating Temperature | 0°C ~ 70°C (TA) | |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | |
| Supplier Device Package | 14-SOIC |
UC3843D Documents
Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
UC3843DTR D# V72:2272_07428544 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC T/R RoHS: Compliant
|
Americas - 466 |
|
UC3843D8TR D# V72:2272_07428537 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC T/R RoHS: Compliant
|
Americas - 0 |
|
UC3843D8G4 D# V36:1790_07428535 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC Tube RoHS: Compliant
|
Americas - 0 |
|
UC3843D D# V36:1790_07428531 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC Tube RoHS: Compliant
|
Americas - 0 |
|
UC3843D8 D# V36:1790_07428532 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC Tube RoHS: Compliant
|
Americas - 0 |
| Part Number | Description | Stock |
|
UC3843D D# UC3843D Texas Instruments |
Current Mode PWM Controller 1A 14-Pin SOIC Tube (Alt: UC3843D) |
Europe - 7200 |
| Part Number | Description | Stock |
|
UC3843DTR Unitrode Corporation |
4995 | |
|
UC3843D UNIT |
336 | |
|
UC3843D8 Unitrode Corporation |
370 |
| Part Number | Description | Stock |
|
UC3843DG4 Texas Instruments |
PWM CONTROLLER CURRENT MODE, SOIC14, Input Voltage:25V, Output Voltage:13.5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:14, Frequency:500kHz, Operating Temperature , RoHS Compliant: Yes |
382 |
|
UC3843DTR Texas Instruments |
IC REG CTRLR PWM CM 14SOIC |
Contact Us |
|
UC3843D8TR Texas Instruments |
CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:13.5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8, Frequency:450kHz , RoHS Compliant: Yes |
Contact Us |
|
UC3843D8G4 Texas Instruments |
IC REG CTRLR PWM CM 8SOIC |
Contact Us |
|
UC3843D Fairchild Semiconductor Corporation |
N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14 |
810 |
|
UC3843D8 Texas Instruments |
CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:13.5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8, Frequency:450kHz , RoHS Compliant: Yes |
Contact Us |
|
UC3843DX Fairchild Semiconductor Corporation |
N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14 |
810 |
|
UC3843DTRG4 Texas Instruments |
IC REG CTRLR PWM CM 14SOIC |
Contact Us |
|
UC3843D8TRG4 Texas Instruments |
(T/R) CUR MODE PWM CONT - Tape and Reel |
Contact Us |
| Part Number | Description | Stock |
|
UC3843D1X Fairchild Semiconductor Corporation |
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8 RoHS: Compliant
|
Europe - 1395 |
| Part Number | Description | Stock |
|
UC3843DG4 D# UC3843DG4-ND Texas Instruments |
IC REG CTRLR MULT TOP 14SOIC |
Temporarily Out of Stock |
|
UC3843DTR D# 296-46261-1-ND Texas Instruments |
IC REG CTRLR MULT TOP 14SOIC |
12 In Stock |
|
UC3843D8TR D# 296-46260-1-ND Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
4399 In Stock |
|
UC3843D8G4 D# UC3843D8G4-ND Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
Temporarily Out of Stock |
|
UC3843D D# 2156-UC3843D-FS-ND Rochester Electronics LLC |
SWITCHING CONTROLLER |
12903 In Stock |
|
UC3843DR-8 D# 2156-UC3843DR-8-ND Rochester Electronics LLC |
SWITCHING CONTROLLER |
22500 In Stock |
|
UC3843D8 D# 296-11287-5-ND Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
681 In Stock |
|
UC3843DX D# UC3843DX-ND ON Semiconductor |
IC REG CTRLR 14SOIC |
Limited Supply - Call |
|
UC3843D8TRG4 D# UC3843D8TRG4-ND Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
Temporarily Out of Stock |
| Part Number | Description | Stock |
|
UC3843D N |
In stock shipping within 2days |
4662 |
|
UC3843D8 Texas Instruments |
In stock shipping within 2days |
342 |
|
UC3843DR - |
In stock shipping within 2days |
120 |
|
UC3843D013TR STMicroelectronics |
In stock shipping within 2days |
5260 |
| Part Number | Description | Stock |
|
UC3843D D# 1505584 ON Semiconductor |
IC, PWM CONTROLLER RoHS: Compliant
Min Qty: 4860
Container: Each
|
0 |
|
UC3843D8 D# 3008565 Texas Instruments |
PWM CONTROLLER, SMD, 3843, SOIC8 RoHS: Compliant
Min Qty: 1
Container: Each
|
359 |
| Part Number | Description | Stock |
|
UC3843D STMicroelectronics |
Stock |
320 |
| Part Number | Description | Stock |
|
UC3843D1X Fairchild Semiconductor Corporation |
OEM/CM QUOTES ONLY | NO BROKERS |
1660 |
|
UC3843DTR 251 |
OEM/CM QUOTES ONLY | NO BROKERS |
5950 |
|
UC3843DR8 Rochester Electronics LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
26775 |
|
UC3843D013 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
1767 |
|
UC3843D8TR TI Texas Instruments |
OEM/CM QUOTES ONLY | NO BROKERS |
4605 |
|
UC3843D STMICR |
OEM/CM QUOTES ONLY | NO BROKERS |
53550 |
|
UC3843D8SMD N/A |
OEM/CM QUOTES ONLY | NO BROKERS |
2509 |
|
UC3843DB ORIGINAL |
OEM/CM QUOTES ONLY | NO BROKERS |
45 |
|
UC3843D8 Texas Instruments |
OEM/CM QUOTES ONLY | NO BROKERS |
4033 |
|
UC3843DR Texas Instruments |
OEM/CM QUOTES ONLY | NO BROKERS |
8925 |
|
UC3843DX FAIR |
OEM/CM QUOTES ONLY | NO BROKERS |
3570 |
|
UC3843DW UNI |
OEM/CM QUOTES ONLY | NO BROKERS |
21791 |
|
UC3843D013TR1 STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
2975 |
|
UC3843D013TR |
OEM/CM QUOTES ONLY | NO BROKERS |
14875 |
|
UC3843D8TRG4 Texas Instruments |
OEM/CM QUOTES ONLY | NO BROKERS |
5950 |
| Part Number | Description | Stock |
|
UC3843DG4 Texas Instruments |
OEM/CM ONLY |
1081 |
|
UC3843D8C Texas Instruments |
OEM/CM ONLY |
391 |
|
UC3843D14 Texas Instruments |
OEM/CM ONLY |
110 |
|
UC3843DRSOIC14 Texas Instruments |
OEM/CM ONLY |
656 |
|
UC3843D1R2G Texas Instruments |
OEM/CM ONLY |
4600 |
|
UC3843D8G4 Texas Instruments |
OEM/CM ONLY |
242 |
|
UC3843D8PR Texas Instruments |
OEM/CM ONLY |
871 |
|
UC3843D8TRG Texas Instruments |
OEM/CM ONLY |
910 |
|
UC3843DFAIR Texas Instruments |
OEM/CM ONLY |
1774 |
|
UC3843DB Texas Instruments |
OEM/CM ONLY |
598 |
|
UC3843DTRG4 Texas Instruments |
OEM/CM ONLY |
230 |
|
UC3843DSOP14 Texas Instruments |
OEM/CM ONLY |
1100 |
|
UC3843D8SOIC8 Texas Instruments |
OEM/CM ONLY |
849 |
|
UC3843D8TRG4 Texas Instruments |
OEM/CM ONLY |
902 |
|
TIUC3843D8 Texas Instruments |
OEM/CM ONLY |
6022 |
| Part Number | Description | Stock |
|
UC3843DTR Texas Instruments |
Boost, Buck, Buck-Boost, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 14-SOIC RoHS: Compliant
|
2795 |
| Part Number | Description | Stock |
|
UC3843D Unitrode Corporation |
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14 |
20 |
| Part Number | Description | Stock |
|
UC3843DTR Texas Instruments |
OEM/CM Immediate delivery |
2795 |
|
UC3843D8TR Texas Instruments |
OEM/CM Immediate delivery |
1667 |
|
UC3843D Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
36530 |
|
UC3843DB UC |
OEM/CM Immediate delivery |
855 |
|
UC3843D8 Texas Instruments |
OEM/CM Immediate delivery |
180 |
|
UC3843DX Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
36530 |
|
UC3843D013TR STMicroelectronics |
OEM/CM Immediate delivery |
30000 |
| Part Number | Description | Stock |
|
UC3843DG4 D# 595-UC3843DG4 Texas Instruments |
Switching Controllers Current-Mode PWM Controller RoHS: Compliant
|
372 |
|
UC3843DTR D# 595-UC3843DTR Texas Instruments |
Switching Controllers Current-Mode PWM Controller RoHS: Compliant
|
771 |
|
UC3843D8TR D# 595-UC3843D8TR Texas Instruments |
Switching Controllers Current-Mode PWM Controller RoHS: Compliant
|
4009 |
|
UC3843D8G4 D# 595-UC3843D8G4 Texas Instruments |
Switching Controllers Current-Mode PWM Controller RoHS: Compliant
|
600 |
|
UC3843D D# 595-UC3843D Texas Instruments |
Switching Controllers Current Mode RoHS: Compliant
|
854 |
|
UC3843D8 D# 595-UC3843D8 Texas Instruments |
Switching Controllers Current Mode RoHS: Compliant
|
651 |
|
UC3843D8TRG4 D# 595-UC3843D8TRG4 Texas Instruments |
Switching Controllers Current-Mode PWM Controller RoHS: Compliant
|
144 |
| Part Number | Description | Stock |
|
UC3843D8 . D# 20M7804 Texas Instruments |
PWM CONTROLLER, SMD, 3843, SOIC8, Input Voltage:15V, Output Voltage:5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:450kHz, Operating Temperature RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
4 |
|
UC3843D8 D# 29AH8389 Texas Instruments |
PWM CONTROLLER, SMD, 3843, SOIC8, Input Voltage:15V, Output Voltage:5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:450kHz, Operating Temperature RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
359 |
| Part Number | Description | Stock |
|
UC3843DG4 D# NS-UC3843DG4 Texas Instruments |
OEM/CM ONLY |
5539 |
|
UC3843DTR D# NS-UC3843DTR Texas Instruments |
OEM/CM ONLY |
3675 |
|
UC3843D8TR D# NS-UC3843D8TR Texas Instruments |
OEM/CM ONLY |
7416 |
|
UC3843D8G4 D# NS-UC3843D8G4 Texas Instruments |
OEM/CM ONLY |
6232 |
|
UC3843D D# NS-UC3843D Texas Instruments |
OEM/CM ONLY |
1636 |
|
UC3843D8 D# NS-UC3843D8 Texas Instruments |
OEM/CM ONLY |
1874 |
|
UC3843D1 D# NS-UC3843D1 VARIOUS |
OEM/CM ONLY |
7370 |
|
UC3843DX D# NS-UC3843DX Fairchild Semiconductor Corporation |
OEM/CM ONLY |
4322 |
|
UC3843DTRG4 D# NS-UC3843DTRG4 Texas Instruments |
OEM/CM ONLY |
2712 |
|
UC3843D8TRG4 D# NS-UC3843D8TRG4 Texas Instruments |
OEM/CM ONLY |
4138 |
| Part Number | Description | Stock |
|
UC3843DTR Unitrode Corporation |
1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 |
3996 |
|
UC3843D8TR Unitrode Corporation |
429 | |
|
UC3843D Unitrode Corporation |
Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP |
10 |
|
UC3843D8 Texas Instruments |
Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, SOP |
46 |
|
UC3843DR Texas Instruments |
Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP |
551 |
| Part Number | Description | Stock |
|
UC3843D D# UC3843D Texas Instruments |
Semiconductor |
197 |
| Part Number | Description | Stock |
|
UC3843D8 D# 6615336P Texas Instruments |
Texas Instruments UC3843D8, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin SOIC, TU Min Qty: 5
Container: Tube
|
15 |
| Part Number | Description | Stock |
|
UC3843DTR Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
10982 |
|
UC3843D8TR Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
24208 |
|
UC3843D8G4 Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
40 |
|
UC3843D Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
12903 |
|
UC3843DR-8 Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
22500 |
|
UC3843D8 Texas Instruments |
UC3843 Current-Mode PWM Controller RoHS: Compliant
|
18159 |
| Part Number | Description | Stock |
|
UC3843D1X Fairchild Semiconductor Corporation |
OEM/CM ONLY |
1411 |
|
UC3843DTR Texas Instruments |
OEM/CM ONLY |
10011 |
|
UC3843D013 STMicroelectronics |
OEM/CM ONLY |
1501 |
|
UC3843D8TR Texas Instruments |
OEM/CM ONLY |
3886 |
|
UC3843D Fairchild Semiconductor Corporation |
OEM/CM ONLY |
69422 |
|
UC3843D8SMD |
OEM/CM ONLY |
2124 |
|
UC3843DB ORIGINAL |
OEM/CM ONLY |
54 |
|
UC3843D8 Texas Instruments |
OEM/CM ONLY |
3099 |
|
UC3843D1 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
115 |
|
UC3843DR Texas Instruments |
OEM/CM ONLY |
8205 |
|
UC3843DX Fairchild Semiconductor Corporation |
OEM/CM ONLY |
3016 |
|
UC3843DW Texas Instruments |
OEM/CM ONLY |
18328 |
|
UC3843D013TR SGS Semiconductor Ltd |
OEM/CM ONLY |
12516 |
|
UC3843D8TRG4 Texas Instruments |
OEM/CM ONLY |
5011 |
| Part Number | Description | Stock |
|
UC3843DTR Texas Instruments |
IN stock Immediate delivery |
2810 |
|
UC3843D8TR Texas Instruments |
IN stock Immediate delivery |
1682 |
|
UC3843D Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
36515 |
|
UC3843DB UC |
IN stock Immediate delivery |
850 |
|
UC3843D8 Texas Instruments |
IN stock Immediate delivery |
175 |
|
UC3843DX Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
36515 |
|
UC3843D013TR STMicroelectronics |
IN stock Immediate delivery |
29985 |
| Part Number | Description | Stock |
|
UC3843DTR Texas Instruments |
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C |
1,469 |
|
UC3843D8TR Texas Instruments |
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C |
106,291 |
|
UC3843D Texas Instruments |
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C |
7,480 |
|
UC3843D8 Texas Instruments |
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C |
9,165 |
| Part Number | Description | Stock |
|
UC3843D8TR Texas Instruments |
shipping today |
12496 |
|
UC3843D UC |
shipping today |
1456 |
|
UC3843D8 Texas Instruments |
shipping today |
6109 |
|
UC3843DR Texas Instruments |
shipping today |
2349 |
|
UC3843D013TR UC |
shipping today |
558 |
| Part Number | Description | Stock |
|
UC3843DTR D# 36439000 Texas Instruments |
Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC T/R RoHS: Compliant
|
Americas - 466 |
| Part Number | Description | Stock |
|
UC3843DG4 Texas Instruments |
RFQ |
1774 |
|
UC3843D-8 Texas Instruments |
RFQ |
4824 |
|
UC3843D8TR Texas Instruments |
RFQ |
8024 |
|
UC3843D8G4 Texas Instruments |
RFQ |
3723 |
|
UC3843D Texas Instruments |
RFQ |
13181 |
|
UC3843D8 TI Texas Instruments |
RFQ |
9365 |
|
UC3843DB UC |
RFQ |
3585 |
|
UC3843D8 Texas Instruments |
RFQ |
223 |
|
UC3843D1 Fairchild Semiconductor Corporation |
RFQ |
7009 |
|
UC3843D013TR-1 STMicroelectronics |
RFQ |
7520 |
| Part Number | Description | Stock |
|
UC3843D8TR Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
14282 |
|
UC3843D Texas Instruments |
IC REG CTRLR MULT TOP 14SOIC |
4600 |
|
UC3843D8 Texas Instruments |
IC REG CTRLR MULT TOPOLOGY 8SOIC |
870 |
| Part Number | Description | Stock |
|
UC3843D8 D# 3008565 Texas Instruments |
PWM CONTROLLER, SMD, 3843, SOIC8 RoHS: Compliant
Min Qty: 1
Container: Each
|
359 |
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| In Stock | 1,497 - More on Order |
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| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $ 0.0000 | $ 0.0000 |
| 100 | $ 0.0000 | $ 0.0000 |
| 500 | $ 0.0000 | $ 0.0000 |
| 1000 | $ 0.0000 | $ 0.0000 |
| 2500 | $ 0.0000 | $ 0.0000 |
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