MIC4681-3.3BM Price & Stock
- 4 Star
- AAAChips
- AAComp
- ACDS
- ACME
- AIChipLink
- AllChip Elec
- Allelco
- AmpleChip
- Ande Elec
- AnLin
- Anterwell
- Anywayele
- APS
- Ariat
- Asen Elec
- Atosn
- ATP
- Augswan
- Au Ling
- Avnat
- AxisPart
- Besen Tech
- Best Comp
- Braveelec
- Brilltron
- CGOC
- Chipinventory
- ChipOne
- Chipsea
- ChipSource
- Chips Pulse
- Chuangxinda
- Classic
- CompExpert
- ComS.I.T.
- Conevo
- Conrad
- C Plus
- Cytech
- Dasenic
- Dechoele
- Depu
- DGT Ind
- DGT Tech
- Direct Components
- DREAMland
- Drex Elec
- Dxway
- Dynamic-sl
- Ea-chip
- EASEV
- Element14apac
- Errebi
- Ersa
- ESource
- Farnell
- FirstChoice
- Flip
- FlyWing
- Fmall
- FPGAMALL
- Freelance
- Geefook
- GlobalTek
- Grand power
- GreenChips
- Green Light
- Greentree
- Handtmann
- Hansinfo
- HaoDe
- Heisener
- HeQing
- Hongte
- HonourChip
- Hotenda
- IC Components
- Icgogogo
- Icmiles
- ICSOSO
- ITD-IC
- J2sourcing
- Jak
- Jameco
- JiaLiXin
- Jiayi
- Jietai
- Kaian
- Kepictronics
- KK Wisdom
- Klytech
- Kynix
- Lankamicro
- LCSC
- Lingto
- LIXINC
- Longzi
- Lvychips
- Macroship
- March-Tech
- Maritex
- Mars Elec
- Martec
- MetaverseIc
- MicrochipUSA
- Microsemi
- Midan
- Mouser
- MV Comp
- NAC
- Nantian
- NetSource
- Newark
- NewStrength
- Nexxon
- OMO
- OnlineCom
- Origin Data
- PESE
- Pneda
- PUI
- Quattro
- Quest
- Resion
- Rixin
- Rochester
- RS
- RS DE
- RYX IC
- Sense Elec
- Shengyu
- Sierra
- SiliTech
- Southernel
- Sunether
- SZ Comp
- TE
- Tech-Electr
- TME
- Unicom Elec
- Unikey
- Utmel
- Ventron
- Voyager Comp
- Walsoon
- WanWeiChip
- Weyland
- WinSource
- Worldway
- Xianghongli
- Xinghuan
- Xinvry
- Xunqida
- YIC
- YST Elec
- Yuanxinai
Hide
Manufacturer

Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Regulators
IC REG BUCK 3.3V 1A 8SOIC
Documents
Datasheet |
MIC4681-3.3BM![]() |
Specifications
Series | SuperSwitcher™ |
Part Status | Obsolete |
Function | Step-Down |
Output Configuration | Positive |
Topology | Buck |
Output Type | Fixed |
Number of Outputs | 1 |
Voltage - Input (Min) | 4V |
Voltage - Input (Max) | 30V |
Voltage - Output (Min/Fixed) | 3.3V |
Current - Output | 1A |
Frequency - Switching | 200kHz |
Synchronous Rectifier | No |
Operating Temperature | -40°C ~ 125°C (TJ) |
Mounting Type | Surface Mount |
Package / Case | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package | 8-SOIC |
Hide

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 20740 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 18110 |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | 44836 |
|
Inquiry | ||
MIC4681-3.3BM TR | Microchip Technology | 44750 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
7955 |
|
Buy | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
5233 |
|
Buy |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||
---|---|---|---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tube | 300 |
|
Inquiry | ||||
MIC4681-3.3BM TR | Microchip Technology | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tape & Reel (TR) | 300 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | DC:Active ; - | 0 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | DC:Active ; - | 0 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | 9467 |
|
Inquiry | ||
MIC4681-3.3BM TR | Microchip Technology | 2217 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Micrel / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; 8-SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
Available |
|
Inquiry | |
MIC4681-3.3BM TR | Micrel / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; 8-SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
Available |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 4914 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 2933 |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | 2000 |
|
Inquiry | |||
MIC4681-3.3BM | Microchip Technology | 2000 |
|
Inquiry | ||
MIC4681-3.3BM TR | 2000 |
|
Inquiry | |||
MIC4681-3.3BM TR | Microchip Technology | 2000 |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | 35000 |
|
Inquiry | ||
MIC4681-3.3BM TR | Microchip Technology | 35000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 150000 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 150000 |
|
Inquiry |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 65366 |
|
Buy | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 65366 |
|
Buy |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Micrel, Inc. | Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 8-SOIC (0.154"", 3.90mm Width) | 2214 |
|
Inquiry | |
MIC4681-3.3BM TR | Micrel, Inc. | Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 8-SOIC (0.154"", 3.90mm Width) | 974 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | 7998 |
|
Inquiry | ||
MIC4681-3.3BM TR | Microchip Technology | 5578 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
In-Stock |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC PMIC - Voltage Regulators - DC DC Switching Regulators
|
In-Stock |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | 8-SOIC (0.154", 3.90mm Width) | 10000 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | 8-SOIC (0.154", 3.90mm Width) | 10000 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 15970 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 14660 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 8191 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 9457 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 2458 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 3337 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Roving Networks / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 10000 |
|
Inquiry | |
MIC4681-3.3BM TR | Roving Networks / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 10000 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | DC:24+ ; Original New | 34435 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | DC:24+ ; Original New | 24075 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; DC:21+ ; 8-SOIC | 111 |
|
Inquiry | |
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; DC:23+ | 15970 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; DC:21+ ; 8-SOIC | 111 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC ; DC:23+ | 14660 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 8-SOIC (0.154" 3.90mm Width) | 5795 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 8-SOIC (0.154" 3.90mm Width) | 637 |
|
Inquiry |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Roving Networks / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 1065 |
|
Inquiry | |
MIC4681-3.3BM TR | Roving Networks / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 9557 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | In Stock |
|
Inquiry | ||
MIC4681-3.3BM TR | Microchip Technology | In Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 0 |
|
Inquiry | |
MIC4681-3.3BM TR | Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 0 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MIC4681-3.3BM | Micrel / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 3101 |
|
Inquiry | |
MIC4681-3.3BM TR | Micrel / Microchip Technology | IC REG BUCK 3.3V 1A 8SOIC | 3897 |
|
Inquiry |
See Also:
MIC4680-3.3BM
MIC4684-3.3BM
MIC4680-3.3YM
MIC4685-3.3BR
MIC4681-5.0BM
MIC4681-2.5BM
MIC4684-5.0BM
MIC4680-3.3
MIC4680-3.0YM
MIC4680-1.8BM
MIC4681-3.3BM TR
MIC4680-2.5BM
MIC4680-5.0BM
MIC4685-5.0BR
MIC4680-3.3BM-TR
MIC4680-5.0YM
MIC4680-5.OYM
MIC4680-3.3YMTR
MIC4681BM
MIC468033YM
MIC4684-3.3BM TR
MIC4680-3.3YM TR
MIC4681-5.0BM TR
MIC4685-3.3BR TR
MIC4680-3.3YM-TR
MIC4680BM
MIC4680-50YM
MIC4684BM
MIC4681YM
MIC4682BM
MIC4681-2.5BM TR