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TPS40322RHBT Datasheet(PDF) 18 Page - Texas Instruments |
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TPS40322RHBT Datasheet(HTML) 18 Page - Texas Instruments |
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18 / 47 page  UDG-11115 IO1 SW2 PWM1 PWM2 ISNS2 ISNS1 CS2+ FB2 COMP2 CS1+ FB1 COMP1 CS2– CS1- + + ISHARE + VREF VREF + S S RAMP1 RAMP2 SW1 C1 L DCR L1 VOUT + BP6 IO2 C2 L DCR L2 + R1 R2 TPS40322 SLUSAF8E – JULY 2011 – REVISED JANUARY 2016 www.ti.com Feature Description (continued) When the device operates in two-phase mode, a current sharing loop as shown in Figure 19 is designed to maintain the current balance between phases. Both phases share the same comparator voltage (COMP1). The sensed current from each phase is compared first in a current share block, then each signal is summed with COMP. The resulted error voltage is compared with the voltage ramp to generate the PWM pulse for each channel. Figure 19. Two-Phase Mode Current Share Loop 18 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated Product Folder Links: TPS40322 |
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