A449

Mfr. #:: A449
Manufacturer:: Allegro MicroSystems, LLC
Description:
Lifecycle:: New from this manufacturer.
Datasheet:: A449 Datasheet
Delivery:: DHL FedEx Ups TNT EMS
Payment:: T/T Paypal Visa MoneyGram Western Union
ECAD Model:

Product Attribute
Attribute Value

Manufacturer: Allegro MicroSystems, LLC

Product Category: PMIC - Voltage Regulators - DC DC Switching Regulators

Series: -

Packaging: Tube Alternate Packaging

Package-Case: 20-WFQFN Exposed Pad

Operating-Temperature: -40°C ~ 85°C (TA)

Mounting-Type: Surface Mount

Output-Type: Adjustable

Function: Step-Down

Supplier-Device-Package: 20-QFN (4x4)

Number-of-Outputs: 3

Topology: Buck

Frequency-Switching: 550kHz

Current-Output: -

Output-Configuration: Positive

Voltage-Output-Min-Fixed: 0.8V

Voltage-Output-Max: 30.6V

Synchronous-Rectifier: No

Voltage-Input-Min: 4.5V

Voltage-Input-Max: 34V

Tags: A449, A44

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: info@omo-ic.com

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

Market price

Part #	Mfg.	Description	Stock	Price
A4491EESTR-T DISTI # V79:2366_17788111	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A Automotive 20-Pin QFN EP T/R RoHS: Compliant	51590	1500:$0.6804 500:$0.7779 100:$0.8687 10:$0.9694 1:$1.0202
A4490EESTR-T DISTI # V72:2272_06610914	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V Automotive 20-Pin QFN EP T/R RoHS: Compliant	6118	6000:$1.2393 3000:$1.2522 1000:$1.5431 500:$1.5592 250:$1.8797 100:$1.8999 25:$2.3273 10:$2.3531 1:$2.6104
A4491EESTR-T DISTI # V72:2272_06610915	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A Automotive 20-Pin QFN EP T/R RoHS: Compliant	5414	3000:$0.4575 1000:$0.4795 500:$0.4843 250:$0.5011 100:$0.5061 25:$0.5223 10:$0.5276 1:$0.8093
A4491EESTR-T DISTI # 620-1516-1-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	11066In Stock	500:$1.0031 100:$1.2209 10:$1.5190 1:$1.6900
A4491EESTR-T DISTI # 620-1516-6-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	11066In Stock	500:$1.0031 100:$1.2209 10:$1.5190 1:$1.6900
A4490EESTR-T DISTI # 620-1245-1-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	10870In Stock	500:$1.7034 100:$2.0732 10:$2.5790 1:$2.8700
A4490EESTR-T DISTI # 620-1245-6-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	10870In Stock	500:$1.7034 100:$2.0732 10:$2.5790 1:$2.8700
A4490EESTR-T DISTI # 620-1245-2-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1500 Container: Tape & Reel (TR)	10500In Stock	1500:$1.3702
A4491EESTR-T DISTI # 620-1516-2-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1500 Container: Tape & Reel (TR)	10500In Stock	1500:$0.8069
SIA449DJ-T1-GE3 DISTI # SIA449DJ-T1-GE3CT-ND	Vishay Siliconix	MOSFET P-CH 30V 12A SC70-6 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	8364In Stock	1000:$0.1926 500:$0.2493 100:$0.3399 10:$0.4530 1:$0.5400
SIA449DJ-T1-GE3 DISTI # SIA449DJ-T1-GE3DKR-ND	Vishay Siliconix	MOSFET P-CH 30V 12A SC70-6 RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	8364In Stock	1000:$0.1926 500:$0.2493 100:$0.3399 10:$0.4530 1:$0.5400
SIA449DJ-T1-GE3 DISTI # SIA449DJ-T1-GE3TR-ND	Vishay Siliconix	MOSFET P-CH 30V 12A SC70-6 RoHS: Compliant Min Qty: 3000 Container: Tape & Reel (TR)	6000In Stock	3000:$0.1705
A4492EESTR-T DISTI # 620-1670-2-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1500 Container: Tape & Reel (TR)	1500In Stock	1500:$1.8081
A4492EESTR-T DISTI # 620-1670-1-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	727In Stock	500:$2.2082 100:$2.5940 10:$3.1660 1:$3.5300
R2E220-AA44-98 DISTI # 381-3117-ND	ebm-papst	FAN IMP MTRZD 252X71MM 115VAC RoHS: Not compliant Min Qty: 1 Container: Bulk	10In Stock	50:$125.5000 25:$128.0100 10:$140.8610 1:$166.4600
APEK4490EES-01-T-DK DISTI # 620-1388-ND	Allegro MicroSystems LLC	BOARD EVAL FOR A4490 RoHS: Compliant Min Qty: 1 Container: Bulk	2In Stock	1:$131.2500
APEK4491EES-01-T-DK DISTI # 620-1571-ND	Allegro MicroSystems LLC	BOARD EVAL FOR A4491EES RoHS: Compliant Min Qty: 1 Container: Bulk	1In Stock	1:$131.2500
A4492EESTR-T DISTI # 620-1670-6-ND	Allegro MicroSystems LLC	IC REG BUCK ADJ TRPL 20QFN RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Limited Supply - Call
A4491EESTR-T DISTI # 26115925	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A Automotive 20-Pin QFN EP T/R RoHS: Compliant	51590	1500:$0.6804 500:$0.7779 100:$0.8687 10:$0.9694
A4490EESTR-T DISTI # 26762384	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V Automotive 20-Pin QFN EP T/R RoHS: Compliant	6118	6000:$1.2393 3000:$1.2522 1000:$1.5431 500:$1.5592 250:$1.8797 100:$1.8999 25:$2.3273 10:$2.3531 6:$2.6104
A4491EESTR-T DISTI # 25755198	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A Automotive 20-Pin QFN EP T/R RoHS: Compliant	5414	10:$0.8093
A4490EESTR-T DISTI # 21013536	Allegro MicroSystems LLC	Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V Automotive 20-Pin QFN EP T/R RoHS: Compliant	1500	1500:$1.3154
A4490EESTR-T DISTI # A4490EESTR-T	Allegro MicroSystems LLC	Conv DC-DC Triple Step Down 4.5V to 34V 20-Pin QFN EP T/R (Alt: A4490EESTR-T) RoHS: Compliant Min Qty: 1500 Container: Tape and Reel	Europe - 7500	1500:€1.6399 3000:€1.3659 6000:€1.2609 9000:€1.1709 15000:€1.0929
PA4499.101HLT DISTI # PA4499.101HLT	Pulse Electronics Corporation	POWER INDUCTOR, 100UH (Alt: PA4499.101HLT) RoHS: Compliant Min Qty: 7700	Asia - 15650	7700:$0.1230 15400:$0.1148
S1613AA-44.9280(T) DISTI # S1613AA-44.9280(T)	Diodes Incorporated	SMD Crystal Oscillator 44.928MHz 3.3V 15pF 4-Pin CSMD T/R - Tape and Reel (Alt: S1613AA-44.9280(T)) RoHS: Compliant Min Qty: 1000 Container: Reel	Americas - 1000	1000:$2.0900 2000:$2.0900 4000:$1.9900 6000:$1.9900 10000:$1.8900
A4491EESTR-T DISTI # A4491EESTR-T	Allegro MicroSystems LLC	Conv DC-DC 3-OUT Step Down 4.5V to 23V 20-Pin QFN T/R (Alt: A4491EESTR-T) RoHS: Compliant Min Qty: 1 Container: Tape and Reel	Europe - 0	1:€1.2069 10:€1.0729 25:€0.9659 50:€0.8779 100:€0.8049 500:€0.7429 1000:€0.6899
A4492EESTR-T DISTI # A4492EESTR-T	Allegro MicroSystems LLC	Conv DC-DC 3-OUT Step Down 4.5V to 34V 20-Pin QFN T/R (Alt: A4492EESTR-T) RoHS: Compliant Min Qty: 1 Container: Tape and Reel	Europe - 0	1:€1.9900 10:€1.7900 25:€1.6900 50:€1.6900 100:€1.5900 500:€1.5900 1000:€1.3900
PA4499.151HLT DISTI # PA4499.151HLT	Pulse Electronics Corporation	POWER INDUCTOR,150NH (Alt: PA4499.151HLT) RoHS: Compliant Min Qty: 1050	Asia - 0
R2E220-AA44-97 DISTI # R2E220-AA44-97	ebm-papst	AC BACKWARD-CURVED MOTORIZED IMPELLER - Bulk (Alt: R2E220-AA44-97) RoHS: Compliant Min Qty: 10 Container: Bulk	Americas - 0	10:$119.9900 12:$114.0900 22:$108.7900 50:$103.9900 100:$85.4900
R2E220-AA44-98 DISTI # R2E220-AA44-98	ebm-papst	AC BACKWARD-CURVED MOTORIZED IMPELLER - Bulk (Alt: R2E220-AA44-98) RoHS: Compliant Min Qty: 10 Container: Bulk	Americas - 0	10:$143.8900 12:$136.8900 22:$130.5900 50:$124.7900 100:$102.5900
SIA449DJ-T1-GE3 DISTI # SIA449DJ-T1-GE3	Vishay Intertechnologies	Trans MOSFET P-CH 30V 12A 6-Pin PowerPAK SC-70 T/R (Alt: SIA449DJ-T1-GE3) RoHS: Compliant Min Qty: 1 Container: Tape and Reel	Europe - 0	1:€0.3119 10:€0.2129 25:€0.1829 50:€0.1689 100:€0.1629 500:€0.1599 1000:€0.1569
SIA449DJ-T1-GE3 DISTI # SIA449DJ-T1-GE3	Vishay Intertechnologies	Trans MOSFET P-CH 30V 12A 6-Pin PowerPAK SC-70 T/R - Tape and Reel (Alt: SIA449DJ-T1-GE3) RoHS: Not Compliant Min Qty: 3000 Container: Reel	Americas - 0	3000:$0.1449 6000:$0.1409 12000:$0.1349 18000:$0.1309 30000:$0.1279
GW PSLR31.PM-LSLU-A232-1 DISTI # Q65112A4494	OSRAM Opto Semiconductors	LED Chip White 5700K 70CRI 2-Pin SMD T/R - Tape and Reel (Alt: Q65112A4494) RoHS: Compliant Min Qty: 76000 Container: Reel	Americas - 0
R2E220AA4498 DISTI # 91B5571 R2E220-AA44-98	ebm-papst	AC MOTORIZED IMPELLER, 220MMx 71MM, 115VAC,Blower Type:Motorized Impeller,Supply Voltage:115V,Current Type:AC,Fan Frame Size:252mm,External Depth:71mm,Flow Rate - Metric:15m³/min,Flow Rate - Imperial:530cu.ft/min RoHS Compliant: Yes	150	5:$174.9600 1:$180.3700
A4490EES-T DISTI # 11P0239	Allegro MicroSystems LLC	DC-DC CONVERTER, QFN-20,Input Voltage Min:4.5V,Input Voltage Max:34V,No. of Outputs:3 Output,DC / DC Converter IC Case:QFN,No. of Pins:20Pins,Output Current - Output 1:1.5A,Output Current - Output 2:1.5A,Product Range:- RoHS Compliant: Yes	685	5000:$1.1600 2500:$1.2000 1000:$1.4800 500:$1.6500 100:$1.7900 10:$2.2300 1:$2.6200
A4490EESTR-T DISTI # 19P8367	Allegro MicroSystems LLC	TRIPLE OUTPUT STEP DOWN SWITCHING REGULATOR ROHS COMPLIANT: YES	0	1:$1.8000
R2E220-AA44-97 DISTI # 51B782	ebm-papst	AC Backward-Curved Motorized Impeller	52	100:$98.4700 50:$99.8800 25:$111.3600 10:$124.0700 5:$129.9200 1:$144.7700
SIA449DJ-T1-GE3 DISTI # 67X6797	Vishay Intertechnologies	P-CHANNEL 30-V (D-S) MOSFET	0	50000:$0.1290 30000:$0.1350 20000:$0.1450 10000:$0.1550 5000:$0.1680 1:$0.1720
S1613AA-44.9280(T). DISTI # 61AC2168	Diodes Incorporated	Frequency Nom:166MHz,Frequency Stability + / -:50ppm,Oscillator Case:SMD, 7mm x 5mm,Supply Voltage Nom:3.3V,Product Range:S1613 Series,Operating Temperature Min:-10°C,Operating Temperature Max:70°C	1000	10000:$1.8900 4000:$1.9900 1:$2.0900
A4496T1T DISTI # 20H0976	Pentair Equipment Protection - Hoffman	4X4 96in LONG TYPE 1 TROUGH	45	5:$184.8000 3:$193.2000 1:$201.6000
R2E220-AA44-98 DISTI # 70105000	ebm-papst	Centrifugal Blower 221.4 (Dia.) x 71 Dmm,115 V ac (R2E220 Series) RoHS: Compliant	246	1:$157.6100 5:$149.0100
A4496T1T DISTI # 70303633	Pentair Equipment Protection - Hoffman	4X4,96LONG TYPE 1 TROUGH Gray,4.00x4.00x96.00,Steel RoHS: Compliant	0	1:$193.8600 3:$184.1600
SIA449DJ-T1-GE3 DISTI # 70616548	Vishay Siliconix	SIA449DJ-T1-GE3 P-channel MOSFET Transistor,10.4 A,30 V,6-Pin SC-70 RoHS: Compliant	0	300:$0.2200 600:$0.2100 1500:$0.2000 3000:$0.1900 7500:$0.1800
CA4-4.9152-18-3050-X DISTI # 70417663	Aker Technology Company Ltd	Crystal SMD 4.9152MHz HC49/S-4PAD-SMD RoHS: Compliant	0	250:$0.6400
GSDWA GKDA 44-9M/S4000 DISTI # 70836589	TURCK Inc	GSDWA GKDA 44-9M/S4000,U-51908 RoHS: Compliant	0	1:$177.4800 3:$164.4300
CDV3FN63-100-A44-9D(AC110V) DISTI # E3015845	SMC Corporation of America	CYL,W/VALVE RoHS: Not Compliant	0	1:$508.2290
CDV3FN63-100-A44-9D(AC120V) DISTI # E3015846	SMC Corporation of America	CYL,W/VALVE RoHS: Not Compliant	0	1:$508.2290
R2E220-AA44-98 DISTI # 5912-R2E220-AA44-98	ebm-papst	Blowers AC Backward Curved Motorized Impeller, 115VAC RoHS: Compliant	17	1:$173.5900 5:$155.7800 10:$148.7700 25:$133.5200 50:$115.7300

Image	Part #	Description
	Mfr.#: A431S1YZQ OMO.#: OMO-A431S1YZQ	Toggle Switches 4PDT ON-OFF-(ON)
	Mfr.#: A42MX09-3TQG176 OMO.#: OMO-A42MX09-3TQG176-MICROSEMI	FPGA - Field Programmable Gate Array 14K System Gates
	Mfr.#: A40MX04-PLG68M OMO.#: OMO-A40MX04-PLG68M-MICROSEMI	FPGA - Field Programmable Gate Array 6K System Gates
	Mfr.#: A40MX04-3PLG68I OMO.#: OMO-A40MX04-3PLG68I-MICROSEMI	FPGA - Field Programmable Gate Array 6K System Gates
	Mfr.#: A45302-001 OMO.#: OMO-A45302-001-1190	CES-2-CS-2065 - Bulk (Alt: A45302-001)
	Mfr.#: A4054AEV5R OMO.#: OMO-A4054AEV5R-1190	New and Original
	Mfr.#: A44/A94 OMO.#: OMO-A44-A94-1190	New and Original
	Mfr.#: A4GA012Z OMO.#: OMO-A4GA012Z-1190	New and Original
	Mfr.#: A41-130-24A28 OMO.#: OMO-A41-130-24A28-PULSE-ELECTRONICS	XFRMR LAMINATED 130VA CHAS MOUNT
	Mfr.#: A41-175-28A35 OMO.#: OMO-A41-175-28A35-PULSE-ELECTRONICS	XFRMR LAMINATED 175VA CHAS MOUNT

A449

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes