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LM10507 データシート(PDF) 1 Page - Texas Instruments |
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LM10507 データシート(HTML) 1 Page - Texas Instruments |
1 / 40 page VINB Cin 2.2uH SW FB Cout 22uF 4.7uF (x3) Buck Vout3 Vout2 Vout1 VINIO SPI (x4) DEV_SLP ENABLE RESET (x3) PWR_OK LDO Power Supply 3.3 / 5V Cldo 4.7uF LM10507 Cinio 2.2uF IO supply 1.75 ± 3.6V Vldo (x3) VIN Cvin 2.2uF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM10507 SNVS999 – MAY 2014 LM10507 Triple Buck + LDO Power Management Unit 1 Features 2 Applications Solid-State Drives 1 • Three Highly Efficient Programmable Buck Regulators 3 Description – Integrated FETs with Low RDS-ON The LM10507 is an advanced PMU containing three – Bucks Operate with their Phases Shifted to configurable, high-efficiency buck regulators for Reduce the Input Current Ripple and Capacitor supplying variable voltages. The device is ideal for Size supporting ASIC and SOC designs for Solid-State and Flash drives. – Programmable Output Voltage via the SPI Interface LM10507 operates cooperatively with ASIC to – Over and Under-Voltage-Lockout optimize the supply voltage for low power conditions and power saving modes via SPI interface. It also – Automatic Internal Soft Start with Power-On supports a 2.5 V 250 mA LDO. Reset – Current Overload and Thermal Shutdown Device Information(1) Protection PART NUMBER PACKAGE BODY SIZE (NOM) – PFM Mode for High Efficiency at Light Load LM10507 DSBGA (34) 2.82 mm x 2.82 mm Conditions (1) For all available packages, see the orderable addendum at • Low-Dropout Regulator 2.5 V, 250mA the end of the datasheet. • Hardware ENABLE and PWR_OK Terminal 4 Simplified Schematic • Fast Start-up for All Voltage Rails in about 3.5ms to PWR_OK • Fast Turn-off / Active Discharge on Regulator Outputs • Programmable Buck Regulators: – Buck 1: 0.9 - 3.4 V; 1.6A – Buck 2: 0.9 - 3.4 V; 1A – Buck 3: 0.865 - 1.5 V; 1A – ±3% Feedback Voltage Accuracy – Up to 95% efficient Buck Regulators – 2MHz Switching Frequency for Smaller Inductor Size – 2.8 x 2.8 mm, 0.4 mm pitch, 34-bump µSMD Package 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. |
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同様の説明 - LM10507 |
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