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LP8758-B0 Datasheet(PDF) 1 Page - Texas Instruments |
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LP8758-B0 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 55 page  Output Current (A) 0.001 0.01 0.1 1 10 20 20 50 55 60 65 70 75 80 85 90 95 D038 1.2 V 1.0 V SW_B0 SW_B1 SW_B2 SW_B3 VIN_B0 VIN_B1 VIN_B2 VIN_B3 VANA VIN FB_B0 FB_B1 VOUT LOAD LP8758 FB_B2 FB_B3 NRST SDA SCL nINT EN1 EN2 GNDs Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP8758-B0 SNVSA06A – MARCH 2015 – REVISED MAY 2015 LP8758-B0 Four-Phase DC-DC Step-Down Converter 1 Features 3 Description The LP8758 is designed to meet the power 1 • High-Efficiency Step-Down Four-Phase DC-DC management requirements of the latest application Converter Cores: processors in mobile phones and similar portable – Maximum Output Current 16 A applications. The device contains four step-down DC- – Auto PWM-PFM and Forced-PWM Operations DC converter cores, which are bundled together in a single 4-phase buck converter. The device is – Auto Phase Adding/Shedding and Force Multi- controlled by an I2C-compatible serial interface. Phase Operations The automatic PWM-PFM (AUTO mode) operation, – Remote Differential Feedback Voltage Sensing together with the automatic phase adding/shedding, – Programmable Output Voltage Slew-Rate from maximizes efficiency over a wide output-current 30 mV/µs to 0.5 mV/µs range. The LP8758 supports remote differential – VOUT Range = 0.5 V to 3.36 V with DVS voltage sensing to compensate IR drop between the regulator output and the point-of-load, thus improving • Programmable Start-up and Shutdown Delays the accuracy of the output voltage. with Enable Signal • I2C-Compatible Interface which Supports Standard The LP8758 supports programmable start-up and shutdown delays synchronized to Enable signal. (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes The protection features include short-circuit • Interrupt Function with Programmable Masking protection, current limits, input supply UVLO, and temperature warning and shutdown functions. • Load Current Measurement Several error flags are provided for status information • Output Short-Circuit and Overload Protection of the device. In addition, the LP8758 device supports • Spread-Spectrum Mode and Phase Interleaving load current measurement without the addition of for EMI Reduction external current sense resistors. During start-up and voltage change, the device controls the output slew • Overtemperature Warning and Protection rate to minimize output voltage overshoot and the • Undervoltage Lockout (UVLO) inrush current. 2 Applications Device Information(1) • Smart Phones, eBooks and Tablets PART NUMBER PACKAGE BODY SIZE (NOM) LP8758-B0 DSBGA (35) 2.88 mm × 2.13 mm • Gaming Devices (1) For all available packages, see the orderable addendum at the end of the datasheet. Efficiency vs Output Current 4 Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Similar Part No. - LP8758-B0_15 |
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Similar Description - LP8758-B0_15 |
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