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PI3749 Datasheet(PDF) 1 Page - Vicor Corporation |
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PI3749 Datasheet(HTML) 1 Page - Vicor Corporation |
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1 / 26 page  Cool-Power® ZVS Switching Regulators Rev 1.6 vicorpower.com Page 1 of 26 09/2016 800 927.9474 16V to 34VIN, 12V to 28VOUT, 240W Cool-Power ZVS Buck-Boost Cool-Power® ZVS Switching Regulators PI3749-x0 Features & Benefits • Up to 98.5% efficiency at 800kHz FSW • Up to 240W of continuous output power (for specific conditions) • Fast transient response • Parallel capable with single wire current sharing • External frequency synchronization / interleaving • High Side Current Sense Amplifier • General Purpose Amplifier • Input Over/Undervoltage Lockout (OVLO/UVLO) • Output Overvoltage Protection (OVP) • Overtemperature Protection (OTP) • Fast and slow current limits • -40°C to 115°C operating range (TJ) • Excellent light load efficiency • Optional I2C functionality & programmability: n VOUT margining n Fault reporting n Enable and SYNCI pin polarity Applications • Computing, Communications, Industrial • Variable output step up/down voltage regulation Product Description The PI3749-x0 is high efficiency, wide range DC-DC ZVS Buck- Boost regulator. This high density System-in-Package (SiP) integrates controller, power switches, and support components. The integration of a high performance Zero-Voltage Switching (ZVS) topology, within the PI3749-x0, increases point of load performance providing best in class power efficiency. The PI3749-x0 requires an external inductor, resistive feedback divider and minimal capacitors to form a complete DC-DC switching mode buck-boost regulator. The ZVS architecture also enables high frequency operation while minimizing switching losses and maximizing efficiency. The high switching frequency operation reduces the size of the external filtering components, improves power density, and enables very fast dynamic response to line and load transients. Package Information • 10mm x 14mm x 2.56mm LGA SiP SGND Vin Vin VOUT Vout PGND COMP ISP ISN IMON EAO Cin Cout PGND L1 VS1 VS2 VSN VSP VDIFF EAIN SYNCI VDR EN SYNCO TRK PGD PI3749-00 R1 R2 Typical Application V IN (V) Efficiency Power Dissipation 15 20 25 30 35 1 1.5 2 2.5 3 3.5 4 4.5 5 91 92 93 94 95 96 97 98 99 |
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