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L4981A SOP20 SMD Power Factor Corrector chip with soft Start
In Stock
EGP 76.000 exc. vat
In Stock
Brand:Chinese
Description
L4981A SOP20 SMD Power Factor Corrector chip with soft Start
DESCRIPTION: The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line current consumption. The L4981 can be easily used in systems with mains voltages between 85V to 265V without any line switch. This new PFC offers the possibility to work at fixed frequency (L4981A)
Feature:
- CONTROL BOOST PWM UP TO 0.99P.F.
- LIMIT LINE CURRENT DISTORTION TO < 5%
- UNIVERSAL INPUT MAINS
- FEED FORWARD LINE AND LOAD REGULATION
- AVERAGE CURRENT MODE PWM FOR MINIMUM NOISE SENSITIVITY
- HIGH CURRENT BIPOLAR AND DMOS TOTEM POLE OUTPUT
- LOW START-UP CURRENT (0.3mA TYP.)
- UNDER VOLTAGE LOCKOUT WITH HYSTERESIS AND PROGRAMMABLE TURN ON THRESHOLD
- OVERVOLTAGE, OVERCURRENT PROTECTION
PRECISE 2% ON CHIP REFERENCE EXTERNALLY AVAILABLE
SOFT START
For DataSheet ClickHere
Additional information
| Weight | 0.01 kg |
|---|
Brand
Chinese
Chinese
Chinese
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