UC3843N Price & Stock
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Manufacturer

Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Controllers
IC REG CTRLR 8DIP
Specifications
Part Status | Obsolete |
Output Type | Transistor Driver |
Output Configuration | Positive |
Number of Outputs | 1 |
Output Phases | 1 |
Voltage - Supply (Vcc/Vdd) | 7.6 V ~ 30 V |
Frequency - Switching | Up to 500kHz |
Duty Cycle (Max) | 97% |
Synchronous Rectifier | Yes |
Clock Sync | No |
Operating Temperature | 0°C ~ 70°C (TA) |
Package / Case | 8-DIP (0.300", 7.62mm) |
Supplier Device Package | 8-DIP |


Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Controllers
IC REG CTRLR MULT TOPOLOGY 8DIP
Specifications
Part Status | Active |
Output Type | Transistor Driver |
Function | Step-Up, Step-Down, Step-Up/Step-Down |
Output Configuration | Positive, Isolation Capable |
Topology | Buck, Boost, Flyback, Forward Converter |
Number of Outputs | 1 |
Output Phases | 1 |
Voltage - Supply (Vcc/Vdd) | 7.6 V ~ 30 V |
Frequency - Switching | 500kHz |
Duty Cycle (Max) | 97% |
Synchronous Rectifier | No |
Clock Sync | No |
Control Features | Frequency Control |
Operating Temperature | 0°C ~ 70°C (TA) |
Package / Case | 8-DIP (0.300", 7.62mm) |
Supplier Device Package | 8-PDIP |
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Rochester Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N | Texas Instruments | UC3843 Current-Mode PWM Controller | 444 |
|
Buy | ||||||||||
UC3843NG4 | Unitrode | UC3843 Current-Mode PWM Controller | 40 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | Fairchild/ON Semiconductor | IC REG CTRLR 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
In-Stock |
|
Inquiry | |
UC3843N | Luminary Micro / Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
In-Stock |
|
Inquiry |

EA-chip Industry Co., Ltd
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Ersa Limited
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PNEDA Technology Co., Ltd
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Lingto Electronic Limited
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Xinghuan International Trade Co., Ltd
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Dechoele Technology
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Ample Chip
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Axis Part Limited
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Shenzhen Dasenic Electronic Limited
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Unikey Electronics Pte. Ltd.
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Transfer Multisort Elektronik
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N
sku #: UC3843N
|
TEXAS INSTRUMENTS | IC: PMIC; PWM controller; 1A; 47 500kHz; Ch: 1; DIP8; 8.4 28V; 0 97% Semiconductors > Integrated circuits > Voltage regulators - integrated circuits > Switched regulators - integrated circ. > Voltage regulators - PWM circuits
|
499 |
|
Buy |

Hotenda Technology
Certificates

Sunether Technology Ltd.
Certificates

Mouser
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N
sku #: 595-UC3843N
|
Texas Instruments | Switching Controllers Current Mode Switching Controllers
|
479 In Stock |
|
Buy | ||||||||||||||||
UC3843NG4
sku #: 595-UC3843NG4
|
Texas Instruments | Switching Controllers Current-Mode PWM Con troller ALT 595-UC3843N Switching Controllers
|
437 In Stock |
|
Buy |

Fmall Co., Limited
Certificates

Chips Pulse Industry Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N-TUDI | Tudi | Purchase Online. Ship Immediately. DIP-8 AC-DC Controllers and Regulators ROHS | 328 |
|
Buy |

LCSC
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N | HGSEMI | DIP-8 AC-DC Controllers & Regulators ROHS | 1250 |
|
Buy | ||||||||||||
UC3843N | Texas Instruments | 12V~28V PDIP-8 AC-DC Controllers & Regulators ROHS | 16 |
|
Buy |

Fly-Wing Technology (HK) Co., Ltd
Certificates

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates

Lvy Electronics
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Hong Kong Brave Electronics
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He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | onsemi | Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-DIP ; Tube | 9956 |
|
Inquiry | |
UC3843N | 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 8-PDIP ; Tube | 8834 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | ON Semiconductor | IC REG CTRLR 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
12242 |
|
Buy | |
UC3843N | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
161869 |
|
Buy | |
UC3843NG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
6354 |
|
Buy |

DGT Technology (HK) Co., Limited
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Classic Components
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Shenzhen Shengyu Electronics Tech Limited.
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MountainView Components Inc.
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LIXINC Electronics Co., Limited
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Win Source
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Depu Electronics
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First Choice Electronics(HK) Ltd .
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KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | onsemi | IC REG CTRLR 8DIP ; DC:21+ ; 8-DIP | 125 |
|
Inquiry | |
UC3843N | onsemi | IC REG CTRLR 8DIP ; DC:23+ | 31680 |
|
Inquiry | |
UC3843N | Fairchild Semiconductor | SWITCHING CONTROLLER ; DC:21+ ; 8-DIP | 2068 |
|
Inquiry | |
UC3843N | Fairchild Semiconductor | SWITCHING CONTROLLER ; DC:23+ | 40600 |
|
Inquiry | |
UC3843N | TI | DC:23+ ; DIP | 304 |
|
Inquiry | |
UC3843N | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP ; DC:21+ ; 8-PDIP | 290 |
|
Inquiry | |
UC3843N | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP ; DC:23+ | 23280 |
|
Inquiry | |
UC3843N | UC | DC:17+ ; PDIP | 420 |
|
Inquiry |

Cytech Systems Limited
Certificates

YIC International Co., Limited
Certificates

Ariat Technology
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SILITECH Components Inc
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Shenzhen Yuanxinai e-commerce Co., Ltd
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Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N ÆÄËÛ±»¶¯Ôª¼Þ | TI/µÂÖÝÒÇÆ÷ | 670 |
|
Inquiry | ||
UC3843N | TI/µÂÖÝÒÇÆ÷ | 310 |
|
Inquiry |

Unicom Electronics co.
Certificates

Chip 1 Exchange
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RX Electronics Limited
Certificates

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N-TI | TI | DC:21+ | 7500 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | Fairchild Semiconductor | In Stock |
|
Inquiry | ||
UC3843N | FAIRCHILD | In Stock |
|
Inquiry | ||
UC3843N | Fairchild/ON Semiconductor | In Stock |
|
Inquiry | ||
UC3843N | ST | In Stock |
|
Inquiry | ||
UC3843N | Texas Instruments (TI) | In Stock |
|
Inquiry | ||
UC3843N | STMICROELECTRONICS | In Stock |
|
Inquiry | ||
UC3843N | TEXAS INSTRUMENTS | In Stock |
|
Inquiry | ||
UC3843N | TI | In Stock |
|
Inquiry | ||
UC3843N | TI1 | In Stock |
|
Inquiry | ||
UC3843N | UNITRODE | In Stock |
|
Inquiry |

IC Components Limited
Certificates

Quest Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
UC3843N | Unitrode Corp | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 497 |
|
Buy | ||||||
UC3843N | Fairchild Semiconductor Corp | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 115 |
|
Buy | ||||||
UC3843N | -- | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 7 |
|
Buy | ||||||
UC3843N | Unitrode Corp | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 749 |
|
Buy | ||||||
UC3843N | UNIT | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 79 |
|
Buy | ||||||
UC3843N | ST Microelectronics | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 12 |
|
Buy | ||||||
UC3843N | Unitrode Corp | IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC | 160 |
|
Buy |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N
sku #: 3008566
|
Texas Instruments | Texas Instruments - Pwm Controller, 500Khz, 7.6V-30V, Pdip-8 - Uc3843N |Texas Instruments UC3843N | out of stock |
|
Buy | |
UC3843N
sku #: 1564498
|
onsemi | onsemi - Pwm Controller, Current Mode, 8Dip - Uc3843N |onsemi UC3843N | out of stock |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843N | DIP ; DC:17+ | 30570 |
|
Inquiry | ||
UC3843N = KA3843 = TL3843P TEX | 31402 |
|
Inquiry |

ODG (Origin Data Global)
Certificates
See Also:
UC3846N
UC3845N
UC3843B
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UC3843
UC3843AN
UC3843S
UC3847N
UC3843D
UC3840N
UC3843I
UC3843P
UC3842N
UC3843BN
UC3843TN
UC3843T
UC3841N
UC3843A
UC3843Q
UC3844N
UC3843J
UC3842AN
UC3844A
UC3843NG4
UC3845G
UC3845
UC3849Q
UC3844J
UC3842T
UC3844P
UC3845BN
UC3843AP
UC3842
UC3842BN
UC3840
UC3843DR
UC3846
UC3846G
UC3843D8
UC3843DB
UC3846Q
UC3843BD
UC3842Q
UC3843BL
UC3845B
UC3844BN
UC3843AS
UC3843AL
UC3841Q
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