L5991D
- Mfr.Part #
- L5991D
- Manufacturer
- STMicroelectronics
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH MULT TOP 16SO
- Stock
- 23,646
- In Stock :
- 23,646
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- Manufacturer :
- STMicroelectronics
- Product Category :
- AC DC Converters, Offline Switches
- Rise Time :
- 70ns
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Mounting Type :
- Surface Mount
- Control Technique :
- PULSE WIDTH MODULATION
- Fault Protection :
- Current Limiting, Over Voltage
- Topology :
- Boost, Flyback
- Number of Terminations :
- 16
- Peak Reflow Temperature (Cel) :
- 260
- Pin Count :
- 16
- Internal Switch(s) :
- No
- Voltage - Supply (Vcc/Vdd) :
- 10V~20V
- Frequency - Switching :
- Up to 1MHz
- Base Part Number :
- L5991
- Switcher Configuration :
- Single
- Terminal Form :
- Gull wing
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Voltage - Start Up :
- 15V
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Width :
- 4mm
- Factory Lead Time :
- 12 Weeks
- Operating Temperature :
- -40°C~150°C TJ
- Output Current :
- 1.5A
- Terminal Position :
- Dual
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Height :
- 1.65mm
- Control Features :
- Frequency Control, Soft Start, Sync
- JESD-609 Code :
- e4
- Length :
- 10mm
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Input Voltage-Nom :
- 15V
- REACH SVHC :
- No SVHC
- Number of Pins :
- 16
- Control Mode :
- CURRENT-MODE
- Fall Time (Typ) :
- 35 ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mount :
- Surface Mount
- Max Duty Cycle :
- 93 %
- Packaging :
- Tube
- Number of Functions :
- 1
- Frequency :
- 1MHz
- Number of Outputs :
- 1
- Output Isolation :
- Isolated
- Output Voltage :
- 5.075V
- Datasheets
- L5991D

AC DC Converters, Offline Switches STMicroelectronics L5991D Overview
The AC DC Converters, Offline Switches STMicroelectronics L5991D is a high-performance integrated circuit (IC) designed for advanced offline switching applications. Manufactured by STMicroelectronics, a leader in semiconductor solutions, the L5991D excels in delivering efficient power conversion with its multi-topology design. This IC is tailored for systems requiring reliable power supply solutions, offering a compact, power-efficient option in a 16SO package. Its robust design ensures consistent performance, making it an ideal choice for manufacturers looking to enhance their product's reliability and efficiency.
L5991D Features
The L5991D includes several key features that make it stand out in the field of power conversion. Its ability to operate across multiple topologies enhances its flexibility for use in various applications. The device supports high-frequency switching, which results in reduced size and cost of associated passive components. Additionally, its built-in protection features safeguard against over-voltage, under-voltage, and thermal overload, ensuring stable and safe operation under a range of conditions.
L5991D Applications
- Power Supplies: The L5991D can be used to develop compact and efficient power supplies for consumer electronics, ensuring stable voltage levels and high efficiency.
- LED Lighting Systems: Utilizing its capability for high-frequency operation, the L5991D is suitable for driving LED lighting systems, providing consistent and reliable power delivery.
- Charging Stations: In charging stations for devices such as smartphones and tablets, the L5991D helps in achieving efficient power management and distribution.
- Home Appliances: The IC is also applicable in the power regulation systems of home appliances, enhancing their energy efficiency and safety.
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