UC3843ANG Price & Stock
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Manufacturer

Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Controllers
IC REG CTRLR BUCK 8DIP
Specifications
Part Status | Obsolete |
Output Type | Transistor Driver |
Function | Step-Down |
Output Configuration | Positive, Isolation Capable |
Topology | Buck |
Number of Outputs | 1 |
Output Phases | 1 |
Voltage - Supply (Vcc/Vdd) | 8.4 V ~ 30 V |
Frequency - Switching | 500kHz |
Duty Cycle (Max) | 96% |
Synchronous Rectifier | Yes |
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 |
Hide

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | Sanyo Semiconductor/ON Semiconductor | IC REG CTRLR BUCK 8DIP | 2861 |
|
Inquiry | |
UC3843ANG4 | Rochester Electronics | UC3843 CURRENT-MODE PWM CONTROLL | 142857 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | DC:24+ ; Original New | 26891 |
|
Inquiry | |
UC3843ANG4 | Rochester Electronics | DC:24+ ; Original New | 41192 |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | 48938 |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments | 43996 |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP ; Tube | 7693 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | Boost, Buck, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 8-PDIP ; Tube | 8319 |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 7006 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 12878 |
|
Inquiry |

Fly-Wing Technology (HK) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | UC3843 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 200mA 528.605208mg 15V | 18007 |
|
Buy |

Rochester Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | UC3843 Current-Mode PWM Controller | 191 |
|
Buy |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | IC REG CTRLR BUCK 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
4292 |
|
Buy | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
4137 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | IC REG CTRLR BUCK 8DIP | 150000 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 12000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | AMI Semiconductor / ON Semiconductor | IC REG CTRLR BUCK 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
In-Stock |
|
Inquiry | |
UC3843ANG4 | Luminary Micro / Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
In-Stock |
|
Inquiry |

Mouser
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843ANG4
sku #: 595-UC3843ANG4
|
Texas Instruments | Switching Controllers Current-Mode PWM Con troller ALT 595-UC3843AN Switching Controllers
|
508 In Stock |
|
Buy | ||||||||||||||||
UC3843AN
sku #: 595-UC3843AN
|
Texas Instruments | Switching Controllers Current Mode Switching Controllers
|
1257 In Stock |
|
Buy |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 35580 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 25670 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | Onsemi | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tube | 368 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tube | 184 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | 7801 |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments | 7727 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | 8168 |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments | 5135 |
|
Inquiry |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | Buck Regulator Positive, Isolation Capable Output Step-Down DC-DC Controller IC 8-PDIP | 2667 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | Buck, Boost, Flyback, Forward Converter Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 8-PDIP | 3003 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 1225 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 4793 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | DC:Active ; - | 0 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | DC:Active ; - | 673 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | AMI Semiconductor / ON Semiconductor | IC REG CTRLR BUCK 8DIP ; 8-PDIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
Available |
|
Inquiry | |
UC3843ANG4 | Luminary Micro / Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP ; 8-PDIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
Available |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | 35000 |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments | 35000 |
|
Inquiry |

Axis Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | Fairchild/ON Semiconductor | New Original,COC,ISO9001 | 8500 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | New Original,COC,ISO9001 | 8500 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 4359 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 8780 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | Sanyo Semiconductor/ON Semiconductor | IC REG CTRLR BUCK 8DIP | 10000 |
|
Inquiry | |
UC3843ANG4 | Rochester Electronics | UC3843 CURRENT-MODE PWM CONTROLL | 10000 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 11430 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 38720 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP | 2669 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 2185 |
|
Inquiry |

Lvy Electronics
Certificates

Sunether Technology Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | UC3843 CURRENT-MODE PWM CONTROLL | 15302 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | IC REG CTRLR BUCK 8DIP | 4249 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | UC3843 CURRENT-MODE PWM CONTROLL | 21606 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 18020 |
|
Inquiry |

Dxway Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | TI | PDIP ; DC:2020 | 20000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | DC:22+ ; IC REG CTRLR FLYBK ISO PWM 8-DIP | 15000 |
|
Inquiry | |
UC3843ANG4 | TI | DC:22+ ; IC REG CTRLR PWM CM 8DIP | 15000 |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | High Performance Current Mode Controllers | IC REG CTRLR BUCK 8DIP | 0 |
|
Buy | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP | 0 |
|
Buy |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UC3843ANG4 | Luminary Micro / Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP PMIC - Voltage Regulators - DC DC Switching Controllers
|
15000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON大é | DIP ; DC:21+ | 73 |
|
Inquiry | |
UC3843ANG4 | TI | DIP ; DC:21+ | 50000 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | 8-DIP (0.300", 7.62mm) | 48938 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | 8-DIP (0.300", 7.62mm) | 43996 |
|
Inquiry |

Unikey Electronics Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | 516 |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments | DC:2013 | 179 |
|
Inquiry |

GlobalTek Components
Certificates

Quest Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||
---|---|---|---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | SWITCHING CONTROLLER, CURRENT-MODE, 1A, 500KHZ SWITCHING FREQ-MAX, BIPOLAR, PDIP8 | 500 |
|
Buy | ||||
UC3843ANG | ON S | SWITCHING CONTROLLER, CURRENT-MODE, 1A, 500KHZ SWITCHING FREQ-MAX, BIPOLAR, PDIP8 | 20 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | Switching Controllers Current-Mode PWM Controller | in stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON | DC:17+ ; DIP | 73 |
|
Inquiry | |
UC3843ANG4 | TEXAS | DC:2008 ; PDIP | 11 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | IC REG CTRLR BUCK 8DIP | 5946 |
|
Inquiry | |
UC3843ANG4 | Integrated Circuits | IC REG CTRLR MULT TOPOLOGY 8DIP | 6995 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | Texas Instruments | Switching Controllers Current-Mode PWM Controller | 159 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP ; DC:21+ ; 8-PDIP | 125 |
|
Inquiry | |
UC3843ANG | onsemi | IC REG CTRLR BUCK 8DIP ; DC:23+ | 11430 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP ; DC:21+ ; 8-PDIP | 125 |
|
Inquiry | |
UC3843ANG4 | Texas Instruments | IC REG CTRLR MULT TOPOLOGY 8DIP ; DC:23+ | 38720 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG4 | TI/ | DC:21+ ; PDIP | 20000 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
UC3843ANG | ON Semiconductor | In Stock |
|
Inquiry | ||
UC3843ANG | ONSEMI | In Stock |
|
Inquiry | ||
UC3843ANG4 | TEXAS INSTRUMENTS | In Stock |
|
Inquiry | ||
UC3843ANG4 | TI | In Stock |
|
Inquiry | ||
UC3843ANG4 | TI1 | In Stock |
|
Inquiry | ||
UC3843ANG4 | Texas Instruments (TI) | In Stock |
|
Inquiry |
See Also:
UC3843AN2G
UC3843AN2
UC3843BNG
UC3843ADG
UC3843AN
UC3843ANG4
UC3842ANG
UC3844AN
UC3842BNG
UC3843AD2
UC3842AN2
UC3843AD1G
UC3843AL
UC3843AD
UC3843AD8
UC3843ADM
UC3843ADR
UC3843BN
UC3843ADX
UC3842ANG4
UC3843A
UC3845BNG
UC3843AP
UC3845NG
UC3843AS
UC3843ADG4
UC3843NG4
UC3843ADB
UC3842AN1
UC3843ADT
UC3843TN
UC3843AD1
UC3844BNG
UC3844NG
UC3842ADG
UC3845ANG4
UC3843AM
UC3845AN
UC3844ANG4
UC3843BDG
UC3842AN
UC3843BVNG
UC3843N
UC3845AD
UC3843T
UC3844G
UC3843BVDG
UC3844AD
UC3842ADR
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