L5991
- Mfr.Part #
- L5991
- Manufacturer
- STMicroelectronics
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH MULT TOP 16DIP
- Stock
- 12,746
- In Stock :
- 12,746
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- Manufacturer :
- STMicroelectronics
- Product Category :
- AC DC Converters, Offline Switches
- Control Mode :
- CURRENT-MODE
- Fault Protection :
- Current Limiting, Over Voltage
- Output Isolation :
- Isolated
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Fall Time (Typ) :
- 35 ns
- Control Features :
- Frequency Control, Soft Start, Sync
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Number of Outputs :
- 1
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Pin Count :
- 16
- Topology :
- Boost, Flyback
- Number of Functions :
- 1
- Voltage - Supply (Vcc/Vdd) :
- 10V~20V
- Output Voltage :
- 5.075V
- Operating Temperature :
- -40°C~150°C TJ
- Internal Switch(s) :
- No
- RoHS Status :
- ROHS3 Compliant
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Factory Lead Time :
- 12 Weeks
- Voltage - Start Up :
- 15V
- Rise Time :
- 70ns
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e4
- Width :
- 4mm
- Switcher Configuration :
- Single
- REACH SVHC :
- No SVHC
- Frequency :
- 1MHz
- ECCN Code :
- EAR99
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Current :
- 1.5A
- Number of Pins :
- 16
- Number of Terminations :
- 16
- Max Duty Cycle :
- 93 %
- Input Voltage-Nom :
- 15V
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Length :
- 10mm
- Terminal Form :
- Gull wing
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency - Switching :
- Up to 1MHz
- Packaging :
- Tube
- Mount :
- Surface Mount
- Height :
- 1.65mm
- Base Part Number :
- L5991
- Datasheets
- L5991

AC DC Converters, Offline Switches STMicroelectronics L5991 Overview
The STMicroelectronics L5991 is a versatile and robust integrated circuit specifically designed for offline switching applications. As part of the highly regarded AC DC Converters, Offline Switches category, this component excels in efficiency and reliability. The L5991 is engineered to facilitate compact power supplies by integrating multiple topological enhancements in a single 16-pin DIP package. Its design targets a broad range of voltage and current specifications, making it an ideal choice for developers looking to enhance power management solutions. The use of the AC DC Converters, Offline Switches STMicroelectronics L5991 in your designs ensures high-performance operation with improved power efficiency and reduced system size, fostering bulk purchasing appeal among B2B clients.
L5991 Features
The L5991 IC features include an advanced driver for MOSFET control, multiple protection modes such as overcurrent and thermal shutdown, and the ability to operate under a wide range of input voltages. These features collectively ensure high reliability and efficiency in power conversion applications. The integration of these functions within a single chip simplifies the design and enhances the overall system robustness.
L5991 Applications
- Power Supplies: Utilizes its efficient switching capabilities to manage power in consumer electronics, enhancing energy conservation and device longevity.
- LED Lighting Systems: Drives LEDs with optimal power, ensuring consistent illumination while maximizing energy savings.
- Chargers: Applied in battery chargers for smartphones and laptops, providing stable and safe power conversion.
- Home Appliances: Employs in various home appliances to improve electrical efficiency and ensure reliable operation.
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