Name: L5987
Brand: STMicroelectronics
SKU: L5987
Price: 1.3425 USD
Availability: InStock
Rating: 5 (136 reviews)

L5987

For Reference Only

Part Number	L5987
Manufacturer	STMicroelectronics
Description	IC REG BUCK ADJ 3A 8VFQFPN
Datasheet	L5987 Datasheet L5987 Specifications
Package	8-VFQFN Exposed Pad
ECAD
In Stock	7,104 piece(s)
Unit Price	$ 1.3425 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # L5987 (PMIC - Voltage Regulators - DC DC Switching Regulators) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For L5987 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add L5987 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of L5987.

L5987 Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	8-VFQFN Exposed Pad
ECAD
Series	-
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	2.9V
Voltage - Input (Max)	18V
Voltage - Output (Min/Fixed)	0.6V
Voltage - Output (Max)	18V
Current - Output	3A
Frequency - Switching	250kHz ~ 1MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	8-VFQFN Exposed Pad
Supplier Device Package	8-VFQFPN (3x3)

L5987 Datasheet

L5987 Reviews

Jak*****olis

April 9, 2023

★ ★ ★ ★ ★

Awesome buying experience, smooth transmission with the seller, and fast delivery.

Maka*****Bava

March 27, 2023

★ ★ ★ ★ ★

So far so good. I need to see how they hold up.

Kyrie*****gomery

March 20, 2023

★ ★ ★ ★ ★

Good and works well. What else is there to say about it.

Zay*****Jha

March 17, 2023

★ ★ ★ ★ ★

Bought these to help prevent solar panels from feeding back. Works great and doesn't get as hot.

Lore*****Ghose

March 12, 2023

★ ★ ★ ★ ★

These very economical items will repair my expensive contactors with just a quick connection.

Paxt*****rtiz

March 7, 2023

★ ★ ★ ★ ★

Pleased with this purchase, good, quick service and item exactly as shown.

Chris*****Blake

February 25, 2023

★ ★ ★ ★ ★

Your technical assistance and professionalism cannot be complained!

Darr*****Boase

February 24, 2023

★ ★ ★ ★ ★

Worked good to turn my AC welder into a DC welder.

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L5987 Packaging

L5987 FAQ

1. How to order L5987 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 L5987 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the L5987. All suppliers must pass our qualification reviews before they can publish their products including L5987 on Heisener; we pay more attention to the channels and quality of L5987 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the L5987 price and inventory displayed accurate?

The price and inventory of L5987 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 L5987?

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 L5987 we delivered, we will accept the replacement or return of the L5987 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 L5987.

(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 L5987 pin diagram, L5987 datasheet?

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

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L5987 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 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.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
L5987TR D# V79:2366_21723716	STMicroelectronics	Conv DC-DC 2.9V to 18V Synchronous Step Down Single-Out 0.6V to 18V 3A 8-Pin VFQFPN EP T/R RoHS: Compliant	0
L5987A D# V99:2348_18454780	STMicroelectronics	Conv DC-DC 2.9V to 18V Synchronous Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP Tube RoHS: Compliant	0
L5987ATR D# V72:2272_18454782	STMicroelectronics	Conv DC-DC 2.9V to 18V Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP T/R RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
L5987A D# L5987A	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin HSOP EP Tube - Rail/Tube (Alt: L5987A)	0
L5987ATR D# 45AC7237	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin HSOP EP T/R - Product that comes on tape, but is not reeled (Alt: 45AC7237) RoHS: Compliant	0
EVAL5987 D# EVAL5987	STMicroelectronics	POWER SUPPLY (Alt: EVAL5987) RoHS: Not Compliant	0
EVAL5987A D# EVAL5987A	STMicroelectronics	Step-Down Switching Regulator Demonstration Board Based On The L5987, L5987A (Alt: EVAL5987A) RoHS: Not Compliant	0
CDLL5987 D# CDLL5987	Microchip Technology Inc	Diode Zener Single 3V 20% 500mW 2-Pin DO-213AA - Bag (Alt: CDLL5987) RoHS: Not Compliant	0
L5987TR D# L5987TR	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin VFQFPN EP T/R - Tape and Reel (Alt: L5987TR)	0

Part Number	Manufacturer	Description	Stock
L5987ATR D# L5987ATR	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin HSOP EP T/R (Alt: L5987ATR)	0
L5987TR D# L5987TR	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin VFQFPN EP T/R (Alt: L5987TR)	0
L5987A D# L5987A	STMicroelectronics	Conv DC-DC Single Step Down 2.9V to 18V 8-Pin HSOP EP Tube (Alt: L5987A)	0

Part Number

Manufacturer

Description

Stock

L5987A

STMicroelectronics

200

Part Number

Manufacturer

Description

Stock

16-444 VDE

D# 02L5987

Bernstein AG

Part Number	Manufacturer	Description	Stock
EVAL5987A	STMicroelectronics	POWER SUPPLY - Bulk	0
L5987ATR	STMicroelectronics	STMICROELECTRONICS L5987ATR - Tape and Reel	0
L5987TR	STMicroelectronics	3 A STEP-DOWN SWITCHING REGULATOR - Tape and Reel	0
L5987	STMicroelectronics	STMICROELECTRONICS L5987ATR - Tape and Reel	0
EVAL5987	STMicroelectronics	L5987, SWITCHING REGULATOR, STEP DOWN, D	10
L5987A	STMicroelectronics	STMICROELECTRONICS L5987ATR - Tape and Reel	0

Part Number

Manufacturer

Description

Stock

L5987A

D# C1S730200685076

STMicroelectronics

Conv DC-DC 2.9V to 18V Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP Tube

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

L5987TR

D# C1S730200407034

STMicroelectronics

Conv DC-DC 2.9V to 18V Step Down Single-Out 0.6V to 18V 3A 8-Pin VFQFPN EP T/R

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Part Number	Manufacturer	Description	Stock
L5987 D# L5987-ND	STMicroelectronics	IC REG BUCK ADJ 3A 8VFQFPN	0
STEVAL-ISA201V1 D# 497-17212-ND	STMicroelectronics	EVAL BOARD FOR L5987	18
L5987TR D# 497-L5987CT-ND	STMicroelectronics	IC REG BUCK ADJ 3A 8VFQFPN	3848
L5987A D# 497-19125-ND	STMicroelectronics	IC REG BUCK ADJUSTABLE 3A 8HSOP	4127
EVAL5987 D# 497-8369-ND	STMicroelectronics	BOARD EVALUATION FOR L5987	0
9873 0601000 D# BEL5987-1000-ND	Belden Inc	3 FS PR #20 PP PVC	0
L5987ATR D# 497-8518-1-ND	STMicroelectronics	IC REG BUCK ADJUSTABLE 3A 8HSOP	2636
EVAL5987A D# 497-8370-ND	STMicroelectronics	BOARD EVALUATION FOR L5987A	16
CDLL5987 D# CDLL5987-ND	Microchip Technology Inc	DIODE ZENER	0

Part Number

Manufacturer

Description

Stock

L5987TR

STMicroelectronics

In stock shipping within 2days

57793

Part Number

Manufacturer

Description

Stock

L5987TR

D# 3367117

STMicroelectronics

DC/DC CONV, BUCK, 250KHZ, 150DEG C

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

3854

L5987ATR

D# 2806916

STMicroelectronics

DC/DC CONV, BUCK, 1MHZ, HSOP-8

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1765

Part Number

Manufacturer

Description

Stock

L5987TR

STMicroelectronics

NEW AND ORGINAL. ISRAEL W.HOUSE

2100

Part Number	Manufacturer	Description	Stock
L5987TR	STMicroelectronics	L5987 Series 250 kHz to 1 MHz Step-Down Switching Regulator - VFQFPN-8 RoHS: Compliant pbFree: Yes	0
L5987A	STMicroelectronics	L5987 Series 18 V 3 A 275 kHz Buck Surface Mount Switching Regulator - POWERSO-8 RoHS: Compliant pbFree: Yes	0
L5987ATR	STMicroelectronics	L5987 Series 250 kHz to 1 MHz Step-Down Switching Regulator - HSOP-8 RoHS: Compliant pbFree: Yes	0

Part Number	Manufacturer	Description	Stock
L5987A	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	797
L5987TR2	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	4640
L5987TR	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	4489
L5987ATR	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	2900
EVAL5987A	STMICROELECTRONICS	OEM/CM QUOTES ONLY \| NO BROKERS	18

Part Number

Manufacturer

Description

Stock

000L59870

ITT Interconnect Solutions

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

L5987TR

STMicroelectronics

OEM/CM Immediate delivery

57268

L5987ATR

STMicroelectronics

OEM/CM Immediate delivery

30000

Part Number	Manufacturer	Description	Stock
L5987ATR D# 511-L5987ATR	STMicroelectronics	Switching Voltage Regulators Step-down switch regulator, 3A RoHS: Compliant	2664
EVAL5987 D# 511-EVAL5987	STMicroelectronics	Power Management IC Development Tools EVAL BOARD L5987 RoHS: Not Compliant	27
EVAL5987A D# 511-EVAL5987A	STMicroelectronics	Power Management IC Development Tools EVAL BOARD L5987A RoHS: Not Compliant	2
L5987TR D# 511-L5987TR	STMicroelectronics	Switching Voltage Regulators 3 A Step-down Switch Regulator RoHS: Compliant	1772
L5987A D# 511-L5987A	STMicroelectronics	Switching Voltage Regulators 3 A STEP-DOWN SWITCH REG RoHS: Compliant	3716

Part Number

Manufacturer

Description

Stock

CDLL5987

Microchip Technology Inc

Zener Diodes

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

CDLL5987

D# MCHP00000053953

Microchip Technology Inc

Zener Diodes

Part Number	Manufacturer	Description	Stock
L5987A D# 89W1003	STMicroelectronics	POWER MANAGEMENT RoHS: Not Compliant Min Qty: 2000 Container: Bulk	0
L5987ATR D# 45AC7237	STMicroelectronics	DC/DC CONV, BUCK, 1MHZ, HSOP-8, Topology:Buck (Step Down), Input Voltage Min:2.9V, Input Voltage Max:18V, No. of Outputs:1Outputs, DC / DC Converter IC Case:HSOP, No. of Pins:8Pins, Output Current:3A, Output Voltage Min:600mV, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	85
L5987TR D# 69AH0686	STMicroelectronics	DC/DC CONV, BUCK, 250KHZ, 150DEG C ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 1 Container: Cut Tape	3854

Part Number	Manufacturer	Description	Stock
L5987TR D# NS-L5987TR	STMicroelectronics	OEM/CM ONLY	4764
L5987 D# NS-L5987	STMicroelectronics	OEM/CM ONLY	2763
LL5987B D# NS-LL5987B	BKC	OEM/CM ONLY	3150
L5987A D# NS-L5987A	STMicroelectronics	OEM/CM ONLY	2511
EVAL5987 D# NS-EVAL5987	STMicroelectronics	OEM/CM ONLY	1416
EVAL5987A D# NS-EVAL5987A	STMicroelectronics	OEM/CM ONLY	6696

Part Number

Manufacturer

Description

Stock

000L59870

ITT Interconnect Solutions

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

STEVAL-ISA201V1

D# 1438592

STMicroelectronics

STMicroelectronics STEVAL-ISA201V1 DC-DC Converter for L5987, EA

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

CT10 15-40 G1

D# REL5987

Coto Technology USA

REED SWITCH 0,5A AT1540 1NO

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
EVAL5987A	STMicroelectronics	OEM/CM ONLY	111
L5987TR	STMicroelectronics (VA)	OEM/CM ONLY	3951
L5987TR2	STMicroelectronics	OEM/CM ONLY	4016
L5987ATR	STMicroelectronics	OEM/CM ONLY	4617
L5987A	STMicroelectronics	OEM/CM ONLY	227

Part Number

Manufacturer

Description

Stock

L5987ATR

STMicroelectronics

IN stock Immediate delivery

29985

L5987TR

STMicroelectronics

IN stock Immediate delivery

57253

Part Number	Manufacturer	Description	Stock
L5987ATR	STMicroelectronics	shipping today	5003
L5987A	STMicroelectronics	shipping today	43
L5987TR	STMicroelectronics	shipping today	4639

Part Number	Manufacturer	Description	Stock
L5987ATR D# 25820483	STMicroelectronics	Conv DC-DC 2.9V to 18V Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP T/R RoHS: Compliant	0
L5987TR D# 27537813	STMicroelectronics	Conv DC-DC 2.9V to 18V Synchronous Step Down Single-Out 0.6V to 18V 3A 8-Pin VFQFPN EP T/R RoHS: Compliant	0
L5987A D# 30593174	STMicroelectronics	Conv DC-DC 2.9V to 18V Synchronous Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP Tube RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
EVAL5987A	STMicroelectronics	RFQ	1967
L5987	STMicroelectronics	RFQ	6627
L5987ATR	STMicroelectronics	RFQ	10533
L5987TR	STMicroelectronics	RFQ	3115
EVAL5987	STMicroelectronics	RFQ	13798

Part Number

Manufacturer

Description

Stock

L5987TR

STMicroelectronics

IC REG BUCK ADJ 3A 8VFQFPN

57268

Part Number	Manufacturer	Description	Stock
L5987TR D# 3367117	STMicroelectronics	DC/DC CONV, BUCK, 250KHZ, 150DEG C RoHS: Compliant Min Qty: 1 Container: Cut Tape	3856
EVAL5987 D# 1828324	STMicroelectronics	L5987, SWITCHING REGULATOR, STEP DOWN, D RoHS: Not Compliant Min Qty: 48 Container: Each	0
L5987ATR D# 2806916	STMicroelectronics	DC/DC CONV, BUCK, 1MHZ, HSOP-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	1767

Quick Inquiry

L5987

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

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