L5991D

Part No :: L5991D

Manufacturer: STMicroelectronics

VIGOR # :: 3933352

Description: IC REG CTRLR BST FLYBK ISO SO16

Catalog: PMIC - AC DC Converters, Offline Switchers

DataSheet: L5991D PDF

Country of origin: -

Date code: -

L5991D Specifications

Type	Description
Series:	-
Package:	Tube
Part Status:	Active
Output Isolation:	Isolated
Internal Switch(s):	No
Voltage - Breakdown:	-
Topology:	Boost, Flyback
Voltage - Start Up:	15 V
Voltage - Supply (Vcc/Vdd):	10V ~ 20V
Duty Cycle:	93%
Frequency - Switching:	Up to 1MHz
Power (Watts):	-
Fault Protection:	Current Limiting, Over Voltage
Control Features:	Frequency Control, Soft Start, Sync
Operating Temperature:	-40°C ~ 150°C (TJ)
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SO
Mounting Type:	Surface Mount

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 1059

Shipped from

HK warehouse

Expected Shipping Date

Feb 02 - Feb 06 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$2.22~~	~~$2.22~~
50	~~$1.91~~	~~$95.37~~
100	~~$1.64~~	~~$164.49~~
500	~~$1.38~~	~~$687.74~~
1000	~~$1.16~~	~~$1 162.76~~

Current price of L5991D is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

NCP1256BSN100T1G

IC OFFLN CONV FLYBACK 6TSOP

NCV1077P065G

HV SWITCHER FOR LOW POWER

MIC38C42-1YM

IC REG CTRLR PWM CM 14-SOIC

L5991D

L5991D

3933352

Pricing(USD)