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PFC IC Continuous Conduction (CCM) 65kHz 10-SSOP
SSOP-10Manufacturer:
Mfr.Part #:
L4986A
Datasheet:
Mode:
Continuous Conduction (CCM)
Frequency - Switching:
65kHz
Current - Startup:
400 µA
Voltage - Supply:
10V ~ 24.5V
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The L4986 is a peak current-mode PFC controller for boost converter with a proprietary multiplier “emulator” which in addition to the innovative THD optimizers guarantee very low Total Harmonic Distortion (THD) performance in all operating conditions. The device comes in a pin SO package and offers a high performance/low-component count solution for CCM-operated boost PFC pre-regulators in EN61000-3-2 and JEIDA-MITI compliant applications, in a power range that spans from few hundred W to some kW.The device, thanks to a proprietary off-time modulator, operates in quasi-fixed frequency in all operating conditions. Two options are available, 65 kHz for A and 130 kHz for B.The 800 V high voltage start-up block includes also the circuitry to discharge the X-capacitors of the EMI filter to a safe level. This allows the unit to meet safety regulation (such as IEC 61010-1 or IEC 62368-1) without using the traditional discharge resistor in parallel to the X-capacitors.The device features low consumption and disable functions allowing usage in applications supposed to comply even with the latest energy saving requirements issued by Energy Star, the Department of Energy (DoE) in the United States, the European Code of Conduct, the European Union’s Ecodesign Directive, and other guidelines.In addition to an overvoltage protection able to keep the output voltage under control during transient conditions, the IC is provided also with a protection against feedback loop failures or erroneous settings and boost inductor saturation. The brownout protection function allows to design medical equipment according to the latest regulations driven by IEC 60601-1-2 which requires the output regulation in case of mains dips lasting up to 500 msec. Soft-start limits the peak current.The PG_IN is an adjustable input comparator suitable for monitoring the PFC output voltage and accordingly driving a logic signal exiting from PG_OUT pin. The totem-pole output stage, capable of 0.7 A source and 1.5 A sink current, is suitable for big MOSFET or IGBT drive.Low THD-High Efficiency, 1KW Bridgeless CCM-PFC .
Category | Integrated Circuits (ICs)Power Management (PMIC)PFC (Power Factor Correction) | Series | - |
Mode | Continuous Conduction (CCM) | Frequency - Switching | 65kHz |
Current - Startup | 400 µA | Voltage - Supply | 10V ~ 24.5V |
Operating Temperature | -40°C ~ 150°C (TJ) | Mounting Type | Surface Mount |
Base Product Number | L4986 | Pin Count | 10 |
Released Date | Sep 8, 2021 | Last Modified Date | Mar 7, 2023 4:10 PM UTC |
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