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TPS40140RHHTG4 Datasheet(PDF) 49 Page - Texas Instruments |
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TPS40140RHHTG4 Datasheet(HTML) 49 Page - Texas Instruments |
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49 / 68 page  + + + + R7 10K R5 50 C12 2.2n R9 51.1 R8 8.66K C7 220pF R3 open C9 open C8 0.1uF C11 47pF TP5 R13 1M R15 41.2K C20 1000pF R6 10K R14 64.9K C22 1uF C21 1uF C29 1uF C30 47pF R20 Open C28 0.1uF R19 10K J5 R22 10K C27 0.1uF R17 4.7 C23 0.1uF R16 4.7 C25 4.7uF C24 0.1uF D2 BAT54HT1 C26 Open R18 Open L2 0.53uH TP9 R21 3.01K Q7 Open C34 22uF 16V C31 22uF 16V C32 22uF 16V C33 22uF 16V Q8 RJK0305DPB Q6 RJK0301DPB Q5 RJK0301DPB R2 Open C5 0.022uF C6 1uF D1 BAT54HT1 C14 0.1uF C13 0.1uF R12 4.7 Q1 RJK0305DPB Q3 RJK0301DPB Q4 RJK0301DPB TP3 Q2 Open R1 3.01K L1 0.53uH C1 22uF 16V C2 22uF 16V C3 22uF 16V C4 22uF 16V TP1 J1 TP2 1 2 R4 Open C10 Open J2 J3 J4 TP7 1 2 R11 51.1 R10 51.1 C19 10uF 6.3V C18 330uF 2V C17 330uF 2V C16 330uF 2V C15 330uF 2V 1 1 2 2 U1 TPS40140RHH DIFFO VOUT GSNS PHSEL RT VSHARE GND BP5 FB2 BOOT1 HDRV1 SW1 LDRV1 PGND LDRV2 VREG SW2 HDRV2 1 2 3 4 5 6 7 8 9 27 26 25 24 23 22 21 20 19 CS1 CSRT COMP VOUT GSNS UVLO VREG VREG BP5 COMP BP5 CSRT 12VIN UVLO VREG 12VIN CS2 CSRT VOUT GSNS CS1 12VIN 12ViN +/- 10% GND Remote Sense+ Remote Sense- GND 1.5v @ 32A Enable On/Off TPS40140 www.ti.com SLUS660I – SEPTEMBER 2005 – REVISED JANUARY 2015 9.2.2 Application 2: Two-Phase Single Output Configuration from 12 to 1.5 V DC-DC Converter Using a TPS40140 The following example illustrates the design process and component selection for a two-phase single output synchronous buck converter using TPS40140. The design goal parameters are given in Table 7. The inductor and MOSFET selection equations are quite similar to the dual output converter design, so they are not repeated here. Figure 52 shows the schematic of the two phase single output converter design. Figure 52. Two-Phase Single Output Converter Schematic Copyright © 2005–2015, Texas Instruments Incorporated Submit Documentation Feedback 49 Product Folder Links: TPS40140 |
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