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

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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