データシートサーチシステム |
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LM10000 データシート(PDF) 11 Page - Texas Instruments |
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LM10000 データシート(HTML) 11 Page - Texas Instruments |
11 / 22 page Slave DC/DC FB VOUT LM10000 IAVS RFB1 RFB2 VOUT = VFB x 1 + - IAVS x RFB1 RFB1 ¹ · © § RFB2 Slave Regulator ASIC VDD RTN (Non AVS) IAVS CNTL_EN SPWI SCLK AVS APC2 PWI 2.0 FB FLTN CONTROL RESETN EN_BIAS Logic inputs for Vout sequencing control LM10000 Logic output for enabling slave regulator System uC LM10000 www.ti.com SNVS643C – JUNE 2010 – REVISED APRIL 2013 Figure 7. LM10000 provides flexible digital power management via multi-master PWI 2.0, and flexible VOUT sequencing control IAVS OUTPUT CURRENT: CONTROLLING THE OUTPUT VOLTAGE The LM10000 uses a 7-bit current DAC to control the output voltage of a slave power regulator. Since it is a current output, IAVS can be connected directly to the feedback node of the slave power regulator. IAVS has a range of 0 – 60 µA with 7 bits of resolution, or a 0.469 µA LSB. A typical connection of the IAVS injection current into a slave regulator is shown in Figure 8. The output voltage VOUT is expressed as: (1) Where VFB = the regulated feedback voltage of the slave regulator. This equation is valid for VOUT > VFB. Figure 8. IAVS Injection Current Into A Slave Regulator Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM10000 |
同様の部品番号 - LM10000 |
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同様の説明 - LM10000 |
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