LM21305SQE/NOPB Price & Stock
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Manufacturer

Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Regulators
IC REG BUCK ADJ 5A SYNC 28WQFN
Documents
Datasheet |
LM21305SQE/NOPB![]() |
Specifications
Part Status | Active |
Function | Step-Down |
Output Configuration | Positive |
Topology | Buck |
Output Type | Adjustable |
Number of Outputs | 1 |
Voltage - Input (Min) | 3V |
Voltage - Input (Max) | 18V |
Voltage - Output (Min/Fixed) | 0.598V |
Voltage - Output (Max) | 18V |
Current - Output | 5A |
Frequency - Switching | 300kHz ~ 1.5MHz |
Synchronous Rectifier | Yes |
Operating Temperature | -40°C ~ 85°C (TA) |
Mounting Type | Surface Mount |
Package / Case | 28-WFQFN Exposed Pad |
Supplier Device Package | 28-WQFN (5x5) |
Hide

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 42630 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | DC:Active ; - | 679 |
|
Inquiry |

Allelco Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Integrated Circuits (ICs) > Specialized ICs
|
4720 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN ; 28-WQFN (5x5) PMIC - Voltage Regulators - DC DC Switching Regulators
|
Available |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN PMIC - Voltage Regulators - DC DC Switching Regulators
|
5618 |
|
Buy |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A 28WQFN | 2590 |
|
Inquiry |

Sunether Technology Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 15595 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 6974 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tape & Reel (TR) | 2348 |
|
Inquiry |

Fly-Wing Technology (HK) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | LM21305 Cut Tape (CT) ACTIVE (Last Updated: 3days ago) Active DC to DC switching regulator 12V 5mm 5A 300kHz~1.5MHz | 632 |
|
Buy |

ICSOSO Electronics Company Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 3-18V, 5A, Current Mode Synchronous Buck egulator with Adjustable Frequency 28-WQFN -40 to 85 | 4851 |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 2000 |
|
Inquiry | ||
LM21305SQE/NOPB | 2000 |
|
Inquiry |

Longzi Technology (Shenzhen) Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 511 |
|
Buy |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 425 |
|
Buy |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 28-WFQFN Exposed Pad | 10000 |
|
Inquiry |

Unikey Electronics Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 24000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN | 500 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 2052 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 3186 |
|
Inquiry |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Buck Switching Regulator IC Positive Adjustable 0.598V 1 Output 5A 28-WFQFN Exposed Pad | 1484 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 5690 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A 28WQFN | 23900 |
|
Inquiry |

Classic Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | NSC(RoHS) | 65 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 10000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN PMIC - Voltage Regulators - DC DC Switching Regulators
|
In-Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 444 |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 5A Adjustable Frequency Synchronous Buck Regulator | IC REG BUCK ADJUSTABLE 5A 28WQFN | 1670 |
|
Buy |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 20344 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Brand new and original/respond online to quote. | 4861 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | IC 0.598V 1 5A 28-WFQFN | In-Stock |
|
Inquiry |

Chip 1 Exchange
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | AVAILABLE | 650 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A 28WQFN | 18156 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 22250 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN ; DC:21+ ; 28-WQFN (5x5) | 125 |
|
Inquiry | |
LM21305SQE/NOPB | NS | DC:23+ ; QFN | 24 |
|
Inquiry | |
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A 28WQFN ; DC:23+ | 23900 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Conv DC-DC 3V to 18V Synchronous Step Down Single-Out 0.6V to 5V 5A 28-Pin WQFN EP T/R | 17 |
|
Buy |

Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | NS/¹ú°ë | 30 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | DC:22+ ; IC REG BUCK SYNC ADJ 5A LLP28 | 15000 |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Available, Contact us | 500 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Buck Switching Regulator IC Positive Adjustable 0.598V 1 Output 5A 28-WFQFN Exposed Pad | 3349 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJUSTABLE 5A 28WQFN | 10000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | WQFN-28 ; DC:12+ | 32 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | NS | QFN | 30 |
|
Inquiry |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | NS | shipping today | 76 |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN PMIC - Voltage Regulators - DC DC Switching Regulators
|
15000 |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Buck Switching Regulator IC Positive Adjustable 0.598V 1 Output 5A 28-WFQFN Exposed Pad ; Bulk | 8452 |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | 35000 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQENOPB | TI | OEM/CM QUOTES ONLY | NO BROKERS | 116 |
|
Inquiry |

Ariat Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN New Original Stock.
|
2974 |
|
Inquiry | |
LM21305SQE_NOPB | TI | FET RF 4V 12GHZ S01 New Original Stock.
|
8040 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments (TI) | In Stock |
|
Inquiry |

YIC International Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | IC REG BUCK ADJ 5A SYNC 28WQFN | 3711 |
|
Inquiry | ||||||||||
LM21305SQE_NOPB | TI | QFN28 | 8040 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | DC:24+ ; Original New | 46952 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | The parts are in stock | 8027 |
|
Inquiry |

IC Components Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | Luminary Micro / Texas Instruments | TI/ New | 3426 |
|
Buy | ||||||
LM21305SQE_NOPB | Luminary Micro / Texas Instruments | QFN28 | 8040 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI/ | DC:20+ ; WQFN | 20000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Switching Voltage Regulators 5A Adj Freq Sync Buck Reg | in stock |
|
Inquiry | |
LM21305SQENOPB | Texas Instruments | in stock |
|
Inquiry |

Quest Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
LM21305SQE/NOPB | National Semiconductor Corp | LM21305SQE/NOPB | 68 |
|
Buy | ||||||
LM21305SQE/NOPB | Texas Instruments Inc | LM21305SQE/NOPB | 94 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | IC REG BUCK ADJ 5A SYNC LLP28 | 0 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | New and original ; DC:19+ | 1000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Integrated Circuits | IC REG BUCK ADJ 5A SYNC 28WQFN | 3042 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | Texas Instruments | Switching Voltage Regulators 5A Adj Freq Sync Buck Reg | 273 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB
sku #: LM21305SQENOPB
|
TI | 377 |
|
Inquiry |

Asian Tera Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQE/NOPB | TI | Check alternative solution with competitive price | 40000 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
LM21305SQENOPB | Texas Instruments | OEM/CM ONLY | 261 |
|
Inquiry |
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