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