L5991AD

Part No :: L5991AD

Manufacturer: STMicroelectronics

VIGOR # :: 3851555

Description: IC REG CTRLR FLYBACK 16SO

Catalog: PMIC - Voltage Regulators - DC DC Switching Controllers

DataSheet: L5991AD PDF

Country of origin: -

Date code: -

L5991AD Specifications

Type	Description
Series:	-
Package:	Tube
Part Status:	Active
Output Type:	Transistor Driver
Function:	Step-Up/Step-Down
Output Configuration:	Positive, Isolation Capable
Topology:	Flyback
Number of Outputs:	1
Output Phases:	1
Voltage - Supply (Vcc/Vdd):	7.6V ~ 20V
Frequency - Switching:	Up to 1MHz
Duty Cycle (Max):	93%
Synchronous Rectifier:	Yes
Clock Sync:	No
Serial Interfaces:	-
Control Features:	Current Limit, Frequency Control, Soft Start
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SO

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.

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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: 2250

Shipped from

HK warehouse

Expected Shipping Date

Jan 23 - Jan 27 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$2.30~~	~~$2.30~~
50	~~$1.95~~	~~$97.38~~
100	~~$1.66~~	~~$165.94~~
500	~~$1.36~~	~~$681.66~~
1000	~~$1.13~~	~~$1 129.60~~

Current price of L5991AD 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

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L5991AD

L5991AD

3851555

Pricing(USD)