Name: L7981
Brand: STMicroelectronics
SKU: L7981
Price: 0.8976 USD
Availability: InStock
Rating: 5 (82 reviews)

L7981

Pour Référence Seulement

Référence	L7981
Fabricant	STMicroelectronics
Description	IC REG BUCK ADJ 3A 8VFQFPN
Fiche technique	L7981 Fiche technique
paquet	8-VFDFN Exposed Pad
ECAD
En stock	47 952 piece(s)
Prix unitaire	$ 0,8976 *
Délai de mise en œuvre	Expédition possible immédiatement
Temps de livraison estimé	mai 21 - mai 26 (Choisissez l'expédition accélérée)
Demander un Devis

Méthodes de paiement
Services de livraison

Nous offrons L7981 pour prix compétitif sur le marché mondial, s'il vous plaît envoyez-nous une demande de quota pour les prix. Merci!
Pour traiter votre demande de devis, s'il vous plaît ajouter L7981 avec la quantité dans la nomenclature. Heisener.com Ne nécessite pas de toute inscription pour demander un devis de L7981.

Spécifications L7981

Fabricant	STMicroelectronics
Catégorie	Circuits intégrés (CI) - PMIC - Régulateurs de tension - Régulateurs de commutation CC CC
paquet	8-VFDFN Exposed Pad
ECAD
Séries	-
Fonction	Step-Down
Configuration de sortie	Positive
Topologie	Buck
Le type de sortie	Adjustable
Nombre de sorties	1
Tension - Entrée (Min)	4.5V
Tension - Entrée (Max)	28V
Tension - Sortie (Min / Fixe)	0.6V
Tension - Sortie (Max)	28V
Courant - Sortie	3A
Fréquence - Commutation	250kHz ~ 1MHz
Redresseur synchrone	No
Température de fonctionnement	-40°C ~ 150°C (TJ)
Type de montage	Surface Mount
Paquet / cas	8-VFDFN Exposed Pad
Package de périphérique fournisseur	8-VFQFPN (3x3)

L7981 fiche technique

L7981 Packaging

L7981 FAQ

1. How to order L7981 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that L7981 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the L7981. All suppliers must pass our qualification reviews before they can publish their products including L7981 on Heisener; we pay more attention to the channels and quality of L7981 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the L7981 price and inventory displayed accurate?

The price and inventory of L7981 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of L7981?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the L7981 we delivered, we will accept the replacement or return of the L7981 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of L7981.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as L7981 pin diagram, L7981 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

L7981 Produits Connexes

K471M10X7RH5UL2	Vishay BC Components, CAP CER 470PF 100V X7R RADIAL, Radial, -	Vue
LGU2D681MELZ	Nichicon, CAP ALUM 680UF 20% 200V SNAP, Radial, Can - Snap-In, -	Vue
PT8A3516FWE	Diodes Incorporated, IRON CONTROLLER SO-8, -, -	Vue
BQ24257RGER	Texas Instruments, IC BATT CHARGER LI-ION 24VQFN, 24-VFQFN Exposed Pad, -	Vue
MS4800S-20-0960-30X-30R	Omron Automation and Safety, SAFETY LIGHT CURTAIN, -, -	Vue
RNR55H2211BRRE6	Vishay Dale, RES 2.21K OHM 1/8W .1% AXIAL, Axial, -	Vue
DAM7W2PNSP711	Amphenol FCI, CONN DSUB PLUG 7POS STR SLDR CUP, -, -	Vue
7291-3SG-300	Conxall/Switchcraft, CONN RCPT 3POS PNL MNT SKT, -, -	Vue
2M801-009-02M17-14PB	Amphenol Aerospace Operations, M801 14C 14#16 PIN RECP OM, -, -	Vue
MP1-3Q-3Q-33	Artesyn Embedded Technologies, MP CONFIGURABLE POWER SUPPLY, -, -	Vue
V375B28H300B2	Vicor Corporation, CONVERTER MOD DC/DC 28V 300W, 9-DIP Module, -	Vue
TLV62569ADRLR	Texas Instruments, 2-A BUCK CONVERTER W FIXED PWM N, SOT-563, SOT-666, -	Vue

L7981 Des garanties

Garanties de service

Nous garantissons la satisfaction du client à 100%.

Notre équipe de vente expérimentée et notre équipe d'assistance technique recourent à nos services pour satisfaire tous nos clients.

Garantie de qualité

Nous fournissons une garantie de 90 jours.

Si les articles que vous avez reçus n'étaient pas de qualité parfaite, nous serions responsables de votre remboursement ou de votre remplacement, mais les articles doivent être retournés dans leur état d'origine.

Chaînes d'approvisionnement mondiales - Ressources de distributeurs fiables et agréées

Référence	Fabricant	Description	Stock
L7981A D# E02:0323_03155625	STMicroelectronics	Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin HSOP EP Tube RoHS: Compliant	0
L7981TR D# V36:1790_06552986	STMicroelectronics	Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin VFQFPN T/R RoHS: Compliant	0
L7981ATR D# E02:0323_03155706	STMicroelectronics	Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin HSOP EP T/R RoHS: Compliant	0
G3VM351E D# E02:0323_01042916	OMRON Corporation	Solid State Relay 25mA 1.3V DC-IN 0.1A 280V AC/DC-OUT 6-Pin DIP SMD Stick RoHS: Compliant	0

Référence	Fabricant	Description	Stock
L7981TR D# L7981TR	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin VFQFPN T/R - Tape and Reel (Alt: L7981TR)	0
L7981A D# L7981A	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP Tube - Rail/Tube (Alt: L7981A)	0
L7981ATR D# L7981ATR	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP T/R - Tape and Reel (Alt: L7981ATR)	0
STEVAL-ISA094V1 D# STEVAL-ISA094V1	STMicroelectronics	L7981 3A Step-Down Switching Power Supply in HSOP8 Package Demonstration Board (Alt: STEVAL-ISA094V1) RoHS: Compliant	0
G3VM351E D# G3VM351E	OMRON Corporation	Relay SSR 50mA 1.3V DC-IN 0.12A 350V AC/DC-OUT 6-Pin PDIP SMT - Rail/Tube (Alt: G3VM351E) RoHS: Compliant	0
STEVAL-ISA093V1 D# STEVAL-ISA093V1	STMicroelectronics	L7981 3A Step-Down Switching Power Supply in QFN Package Demonstration Board (Alt: STEVAL-ISA093V1) RoHS: Compliant	0

Référence

Fabricant

Description

Stock

L7981ATR

D# L7981ATR

STMicroelectronics

Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP T/R (Alt: L7981ATR)

Référence	Fabricant	Description	Stock
L7981A D# L7981A	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP Tube (Alt: L7981A)	0
L7981ATR D# L7981ATR	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP T/R (Alt: L7981ATR)	0
G3VM351E D# G3VM351E	OMRON Corporation	Relay SSR 50mA 1.3V DC-IN 0.12A 350V AC/DC-OUT 6-Pin PDIP SMT (Alt: G3VM351E)	0
L7981TR D# L7981TR	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin VFQFPN T/R (Alt: L7981TR)	0

Référence

Fabricant

Description

Stock

BG13641-RP

D# 07L7981

Aeromotive Inc

RP - CABLE W/LOW BULLARD- JKL-

Référence	Fabricant	Description	Stock
STEVAL-ISA093V1	STMicroelectronics	L7981, STEP DOWN SMPS, 3A, DEV BOARD	1
L7981A	STMicroelectronics	BUCK, 4.5-28V, 3A, 1MHZ, 0.6-28V, 8HSOP	149
STEVAL-ISA094V1	STMicroelectronics	EVAL BOARD, L7981 ADJ 3A STEP-DOWN REGUL	0
L7981	STMicroelectronics	BUCK, 4.5-28V, 3A, 1MHZ, 0.6-28V, 8HSOP	149
L7981ATR	STMicroelectronics	Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP T/R	1828
L7981TR	STMicroelectronics	IC REG BUCK ADJ 3A 8VFQFPN	0

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

28V 3A SOIC-8_EP_150mil DC-DC Converters RoHS

4063

Référence	Fabricant	Description	Stock
STEVAL-ISA093V1 D# 497-12112-ND	STMicroelectronics	BOARD EVAL BUCK REG L7981	0
L7981ATR D# 497-10722-1-ND	STMicroelectronics	IC REG BUCK ADJUSTABLE 3A 8HSOP	15911
STEVAL-ISA094V1 D# 497-12113-ND	STMicroelectronics	BOARD EVAL BUCK REG L7981	19
L7981 D# L7981-ND	STMicroelectronics	IC REG BUCK ADJ 3A 8VFQFPN	0
L7981TR D# 497-10814-1-ND	STMicroelectronics	IC REG BUCK ADJ 3A 8VFQFPN	3058
STEVAL-ILL062V1 D# 497-15182-ND	STMicroelectronics	EVAL BOARD HB LED DVR STP16CPC26	6
L7981A D# 497-16177-5-ND	STMicroelectronics	IC REG BUCK ADJUSTABLE 3A 8HSOP	1528
5100UH 0081000 D# BEL7981-1000-ND	Belden Inc	CBL 2COND 14AWG PO FRPVC	0

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

In stock shipping within 2days

343

Référence	Fabricant	Description	Stock
STEVAL-ISA094V1 D# 2308949	STMicroelectronics	A, STEP DOWN SMPS, 3A, DEV BOARD RoHS: Compliant Min Qty: 1 Container: Each	3
L7981TR D# 2806921RL	STMicroelectronics	DC/DC CONV, BUCK, 1MHZ, VFQFPN-8 RoHS: Compliant Min Qty: 1 Container: Reel	0
L7981A D# 2311339	STMicroelectronics	VOLTAGE REG, BUCK, 3A, 1MHZ, HSOP-8 RoHS: Compliant Min Qty: 1 Container: Each	139
STEVAL-ISA093V1 D# 2308948	STMicroelectronics	STEP DOWN SMPS, 3A, DEV BOARD RoHS: Compliant Min Qty: 1 Container: Each	3
L7981ATR D# 2806920RL	STMicroelectronics	DC/DC CONV, BUCK, 250KHZ, HSOP-8 RoHS: Compliant Min Qty: 1 Container: Reel	0

Référence	Fabricant	Description	Stock
L7981ATR	STMicroelectronics	L7981 Series 28 V 3 A 1 MHz Step Down Switching Regulator SMT - HSOP-8 RoHS: Compliant pbFree: Yes	0
L7981TR	STMicroelectronics	RoHS: Compliant pbFree: Yes	0
L7981A	STMicroelectronics	3 A step-down switching regulator RoHS: Compliant pbFree: Yes	0

Référence	Fabricant	Description	Stock
L7981A	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	1772
EL7981CSP	ELANTEC	OEM/CM QUOTES ONLY \| NO BROKERS	228
L7981	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	2668
L7981ATR	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	5800

Référence

Fabricant

Description

Stock

L7981A

Linear Technology

OEM/CM ONLY

729

L7981

Maxim Integrated Products

OEM/CM ONLY

3737

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

OEM/CM Immediate delivery

30000

Référence	Fabricant	Description	Stock
L7981A D# 511-L7981A	STMicroelectronics	Switching Voltage Regulators 3A Step-Down Reg 3.7A 4.5 to 28V 1MHz RoHS: Compliant	2802
L7981TR D# 511-L7981TR	STMicroelectronics	Switching Voltage Regulators 3A DC 4.5 V to 28 V Adj 0.6V 250 kHz RoHS: Compliant	3740
L7981ATR D# 511-L7981ATR	STMicroelectronics	Switching Voltage Regulators 3 A Step-Down Reg 4.5V to 28V 250 kHz RoHS: Compliant	7138
STEVAL-ISA093V1 D# 511-STEVAL-ISA093V1	STMicroelectronics	Power Management IC Development Tools 3A Step Down L7981 Demonstration board RoHS: Compliant	2
STEVAL-ISA094V1 D# 511-STEVAL-ISA094V1	STMicroelectronics	Power Management IC Development Tools 3A Step Down L7981A Demonstration board RoHS: Compliant	20

Référence

Fabricant

Description

Stock

L7981ATR

D# XSFT00000040848

STMicroelectronics

2500

L7981A

D# XSKDRABV0039695

STMicroelectronics

3 A step-down switching regulator

600

Référence	Fabricant	Description	Stock
L7981TR D# 21T2067	STMicroelectronics	POWER MANAGEMENT RoHS: Not Compliant Min Qty: 4000 Container: TAPE & REEL - FULL	0
L7981A D# 86W0519	STMicroelectronics	DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.5V-28Vin, 600mV-28Vout, 3Aout, HSOP-8 RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	139
STEVAL-ISA094V1 D# 70W0707	STMicroelectronics	A, STEP DOWN SMPS, 3A, DEV BOARD, Silicon Manufacturer:STMicroelectronics, Silicon Core Number:L7981, Kit Application Type:Power Management, Application Sub Type:Step Down Switching Regulator, Kit Contents:Demonstration Board L7981, RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	3
L7981ATR D# 45AC7276	STMicroelectronics	DC/DC CONV, BUCK, 250KHZ, HSOP-8, Topology:Buck (Step Down), Input Voltage Min:4.5V, Input Voltage Max:28V, No. of Outputs:1Outputs, DC / DC Converter IC Case:HSOP, No. of Pins:8Pins, Output Current:3A, Output Voltage Min:600mV RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	103

Référence	Fabricant	Description	Stock
STEVAL-ISA093V1 D# NS-STEVAL-ISA093V1	STMicroelectronics	OEM/CM ONLY	4226
EL7981CS D# NS-EL7981CS	Elantec Semiconducto	OEM/CM ONLY	2179
L7981A D# NS-L7981A	STMicroelectronics	OEM/CM ONLY	2477
EL7981CN D# NS-EL7981CN	Elantec Semiconducto	OEM/CM ONLY	6399
L7981TR D# NS-L7981TR	STMicroelectronics	OEM/CM ONLY	3824
L7981ATR D# NS-L7981ATR	STMicroelectronics	OEM/CM ONLY	9179

Référence

Fabricant

Description

Stock

STEVAL-ISA094V1

D# 1961842

STMicroelectronics

STMicroelectronics STEVAL-ISA094V1 Demonstration Board Power Supply for L7981 for Step-Down Switching Power Supply, EA

Min Qty: 1

Container: Bulk

Référence	Fabricant	Description	Stock
L7981TR	STMicroelectronics	OEM/CM ONLY	4095
L7981ATR	STMicroelectronics	OEM/CM ONLY	316
EL7981CSP	Elantec (RETIRED)	OEM/CM ONLY	214
L7981A	STMicroelectronics	OEM/CM ONLY	1762
L7981	STMicroelectronics	OEM/CM ONLY	2316
G3VM351E	OMRON Corporation	OEM/CM ONLY	7316

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

IN stock Immediate delivery

29985

Référence

Fabricant

Description

Stock

G3VM351E

OMRON Corporation

Solid State Relays - PCB Mount MOSFET SOLID STATE

pbFree: Pb-Free

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

shipping today

896

EL7981CN

shipping today

Référence	Fabricant	Description	Stock
L7981A D# 53124905	STMicroelectronics	Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin HSOP EP Tube RoHS: Compliant	0
L7981ATR D# 52958567	STMicroelectronics	Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin HSOP EP T/R RoHS: Compliant	0
G3VM351E D# 20028591	OMRON Corporation	Solid State Relay 25mA 1.3V DC-IN 0.1A 280V AC/DC-OUT 6-Pin DIP SMD Stick RoHS: Compliant	0

Référence

Fabricant

Description

Stock

L7981ATR

STMicroelectronics

IC REG BUCK ADJ 3A 8HSOP

870

L7981A

STMicroelectronics

3 A step-down switching regulator

3640

Référence	Fabricant	Description	Stock
L7981ATR D# 2806920	STMicroelectronics	DC/DC CONV, BUCK, 250KHZ, HSOP-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	7501
L7981TR D# 2806921	STMicroelectronics	DC/DC CONV, BUCK, 1MHZ, VFQFPN-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	4000
L7981A D# 2311339	STMicroelectronics	VOLTAGE REG, BUCK, 3A, 1MHZ, HSOP-8 RoHS: Compliant Min Qty: 1 Container: Each	139
STEVAL-ISA094V1 D# 2308949	STMicroelectronics	A, STEP DOWN SMPS, 3A, DEV BOARD RoHS: Compliant Min Qty: 1 Container: Each	3

Quick Inquiry

L7981

Qualité certifiée

L'engagement de Heisener en matière de qualité a façonné nos processus d'approvisionnement, de test, d'expédition et à chaque étape intermédiaire. Cette fondation est à la base de chaque composant que nous vendons.

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