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L4984D |
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| Part Number | L4984D |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Description | ..... 4 2 Block diagram... . . . . . . ... |
| Features |
• Line-modulated fixed-off-time (LM-FOT) control of CCM-operated PFC pre-regulators • Proprietary LM-FOT modulator for nearly fixedfrequency operation • Proprietary multiplier design for minimum THD of AC input current • Fast “bi-directional” input voltage feedforward (1/V2 correction) • Accurate adjustable output overvoltage protection • Protection against feedback loop failure (latched shutdown) • Inductor saturation protection • AC brownout detection • Digital leading-edge blanking on current sense • Soft-start • 1% (at Tj = 25 °C) internal reference voltage • - 600 / + 800 mA totem pole ga... |
| Document |
 L4984D Data Sheet
PDF 3.40MB |
| Distributor | Stock | Price | Buy |
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