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L5991D

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L5991D

IC OFFLINE SWITCH MULT TOP 16SO

Manufacturer: STMicroelectronics

Categories: AC DC Converters, Offline Switches

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STMicroelectronics L5991D is an offline switching controller designed for boost and flyback topologies. This device operates at switching frequencies up to 1MHz, offering efficient power conversion. Key control features include frequency control, soft start, and synchronization capabilities. The L5991D incorporates robust fault protection mechanisms, including current limiting and overvoltage protection, ensuring system reliability. It requires a supply voltage range of 10V to 20V with a startup voltage of 15V. The component features a high duty cycle of 93% and provides isolated output. This device is suitable for applications in industrial power supplies and consumer electronics. The package type is 16-SOIC (0.154"", 3.90mm Width), and it is supplied in a tube for surface mounting.

Additional Information

Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 35 week(s)Product Status: ActivePackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case16-SOIC (0.154"", 3.90mm Width)
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 150°C (TJ)
Duty Cycle93%
Frequency - SwitchingUp to 1MHz
Internal Switch(s)No
Voltage - Breakdown-
Output IsolationIsolated
TopologyBoost, Flyback
Voltage - Supply (Vcc/Vdd)10V ~ 20V
Supplier Device Package16-SO
Fault ProtectionCurrent Limiting, Over Voltage
Voltage - Start Up15 V
Control FeaturesFrequency Control, Soft Start, Sync

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