L4981A
STMicroelectronics
STMicroelectronics
IC PFC CTR AV CURR 100KHZ 20DIP
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The L4981A from STMicroelectronics is a premium Power Factor Correction IC engineered for critical power applications. This PMIC features advanced average current mode control that delivers superior transient response and outstanding line regulation. The device's integrated high-voltage startup circuit eliminates the need for external bias supplies, simplifying system design. With its industry-leading 0.999 power factor capability, the L4981A helps systems exceed the most stringent energy regulations. Typical applications include uninterruptible power supplies (UPS), electric vehicle charging stations, and industrial laser systems. The IC's robust performance also makes it ideal for mining equipment and offshore power systems.
Specifications
- Product Status: Obsolete
- Mode: Average Current
- Frequency - Switching: 100kHz
- Current - Startup: 100 µA
- Voltage - Supply: 14.5V ~ 19.5V
- Operating Temperature: -40°C ~ 125°C
- Mounting Type: Through Hole
- Package / Case: 20-DIP (0.300", 7.62mm)
- Supplier Device Package: 20-DIP
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