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L5991A
L5991A
Obsolete
Description:  IC REG CTRLR FLYBACK 16DIP
Manufacturer:  STMicroelectronics
Datasheet:   L5991A Datasheet
History Price: Obsolete
In Stock: 2260
L5991A Specification
Specification
Part No
L5991A
Category
PMIC - DC DC Switching Controllers
Manufacturer
STMicroelectronics
Series
-
Packaging
Tube
Status
Obsolete
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
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 ℃ ~ 150 ℃ (TJ)
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Supplier Device Package
16-DIP
L5991A PDF Datasheet
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  • Customer Reviews
    4.95 out of 5.00 stars from 88 customer reviews from all over the world
    Mia Bauer
    Germany
    5 stars
    2026-09-18 06:16
    Works as descriped. Fast Delivery and very good packaging
    Thanks
    斉藤 真理
    Japan
    5 stars
    2026-09-18 05:36
    Good quality!! Pleased with the fast delivery!!
    Alice Fernanda Silva
    Brazil
    5 stars
    2026-09-18 03:57
    Excellent Product recommend
    渡辺 大輔
    Japan
    5 stars
    2026-09-18 03:49
    Delivery is very fast and item packaging is ok. Item is undamaged and as described. Not tested yet.
    Brian Martinez
    United States
    5 stars
    2026-09-18 03:05
    In the absence of testing everything correct and very fast, within the term they give
    Érica Lima
    Brazil
    5 stars
    2026-09-18 03:02
    Product of excellent quality