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TPS40140RHHRG4 Datasheet(PDF) 49 Page - Texas Instruments

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Part No. TPS40140RHHRG4
Description  Dual or 2-Phase, Stackable Controller
Download  68 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS40140RHHRG4 Datasheet(HTML) 49 Page - Texas Instruments

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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
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