L5991AD
- Mfr.Part #
- L5991AD
- Manufacturer
- STMicroelectronics
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBACK 16SO
- Stock
- 3,426
- In Stock :
- 3,426
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Number of Pins :
- 16
- Terminal Form :
- Gull wing
- JESD-609 Code :
- e4
- Switcher Configuration :
- Single
- Base Part Number :
- L5991
- Input Voltage-Nom :
- 15V
- Width :
- 3.9mm
- Nominal Input Voltage :
- 15V
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~20V
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Rise Time :
- 70ns
- Topology :
- Flyback
- Operating Temperature :
- -40°C~150°C TJ
- RoHS Status :
- ROHS3 Compliant
- Number of Outputs :
- 1
- Synchronous Rectifier :
- yes
- Clock Sync :
- No
- Output Type :
- Transistor Driver
- Lifecycle Status :
- ACTIVE (Last Updated: 6 months ago)
- ECCN Code :
- EAR99
- Terminal Position :
- Dual
- Length :
- 9.9mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Number of Terminations :
- 16
- Frequency - Switching :
- Up to 1MHz
- Fall Time (Typ) :
- 35 ns
- Control Features :
- Current Limit, Frequency Control, Soft Start
- Output Voltage :
- 5V
- Max Supply Current :
- 13mA
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Frequency :
- 1MHz
- Output Current :
- 1.5kA
- Factory Lead Time :
- 12 Weeks
- Output Configuration :
- Positive, Isolation Capable
- Control Mode :
- CURRENT-MODE
- Max Duty Cycle :
- 93 %
- Function :
- Step-Up/Step-Down
- Packaging :
- Tube
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Control Technique :
- PULSE WIDTH MODULATION
- Lead Free :
- Lead Free
- Datasheets
- L5991AD
L5991AD Documents

[DC DC Switching Controllers - STMicroelectronics L5991AD] Overview
Introducing the cutting-edge DC DC Switching Controller, crafted by STMicroelectronics and bearing the distinguished mark of L5991AD. This marvel of integrated circuits engineering represents the pinnacle of efficiency and precision in power regulation.
Designed to meet the exacting demands of modern electronics, the L5991AD ensures optimal performance in a compact 16SO package. Its advanced control algorithms enable seamless regulation of flyback converters, empowering your systems with unparalleled stability and reliability.
Whether you're powering industrial machinery, telecommunications equipment, or consumer electronics, the L5991AD stands ready to elevate your designs to new heights of efficiency and performance. Welcome to the future of power management.
L5991AD Features
- Advanced control algorithms for precise regulation
- Compact 16SO package for space-constrained applications
- Optimized for flyback converters
- High efficiency and reliability
- Ideal for a wide range of industrial and consumer electronics
L5991AD Applications
- Industrial Automation: Implement precise power regulation in automated manufacturing systems, ensuring consistent performance and reliability.
- Telecommunications Infrastructure: Power critical components such as base stations and networking equipment with confidence, thanks to the L5991AD's robust control capabilities.
- Consumer Electronics: Enhance the efficiency and longevity of devices such as smart appliances and portable gadgets, delivering superior performance to end-users.
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Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
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