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TPS53317RGBR Datasheet(PDF) 25 Page - Texas Instruments

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Part # TPS53317RGBR
Description  6-A Output, D-CAP Mode, Synchronous Step-Down, Integrated-FET Converter for DDR Memory Termination
PDF  35 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS53317RGBR Datasheet(HTML) 25 Page - Texas Instruments

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1k
10k
100k
1M
±200
±160
±120
±80
±40
0
40
80
120
160
200
±40
±30
±20
±10
0
10
20
30
40
50
60
Frequency (Hz)
Mag
Phase
C016
V
IN = 3.3 V
I
OUT = 0 A
V
OUT = 1.2 V
f
SW = 600 kHz PWM
f
CO = 89.36 kHz
Phase Margin = 66.54
ƒ
Gain Margin = 15.58 dB
1k
10k
100k
1M
±200
±160
±120
±80
±40
0
40
80
120
160
200
±40
±30
±20
±10
0
10
20
30
40
50
60
Frequency (Hz)
Mag
Phase
C017
V
IN = 3.3 V
I
OUT = 6 A
V
OUT = 1.2 V
f
SW = 600 kHz PWM
f
CO = 95.05 kHz
Phase Margin = 65.83
ƒ
Gain Margin = 14.18 dB
TPS53317
1
2
3
4
16
11
7
10
BST
SW
PGND
VOUT
VIN
EN
VREF
5
20
REFIN
V5IN
19
18
6
MODE
GND
C6
0.12F
L1
0.25 2H
PGOOD
VOUT
5-V VIN
C5
2.2 µF
PGND
PGND
VIN
9
8
COMP
12
13
14
15
SW
SW
SW
SW
17
C7
1 2F
C1
22 2F
R1
100
NŸ
VIN
R7
0
Ÿ
C22
12F
AGND
C21
2.2 nF
C20
33 pF
R6
3.9
NŸ
R3
10
Ÿ
R5
100
NŸ
R4
150
NŸ
C8
22 2F
C9
22 2F
C10
22 2F
C11
22 2F
C12
22 2F
C14
22 2F
C15
22 2F
C16
22 2F
C17
22 2F
C18
22 2F
C13
22 2F
EN
R2
47
NŸ
C2
22 2F
PGND
C4
22 2F
C3
22 2F
C19
10 nF
R8
2
Ÿ
C23
0.1 2F
TPS53317
www.ti.com
SLUSAK4D – JUNE 2011 – REVISED JULY 2015
Typical Applications (continued)
8.2.3 Non-Tracking Point-of-Load (POL) Application
Figure 38. Typical Application Schematic, Non-Tracking Point-of-Load (POL)
8.2.3.1 Design Requirements
•
VIN = 3.3 V
•
VOUT = 1.2 V
8.2.3.2 Application Curves
Figure 39. Bode Plot No Load
Figure 40. Bode Plot Full Load
Copyright © 2011–2015, Texas Instruments Incorporated
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