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TPS53317RGBR Datasheet(PDF) 4 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) 4 Page - Texas Instruments

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15
14
13
12
11
1
2
3
4
5
6
SW
SW
SW
SW
SW
VIN
VIN
PGND
PGND
PGND
7
8
9
10
20
19
18
17
16
Exposed
Thermal Pad
TPS53317
SLUSAK4D – JUNE 2011 – REVISED JULY 2015
www.ti.com
5 Pin Configuration and Functions
RGB Package
20-Pin VFQN
Top View
Pin Functions
PIN
I/O(1)
DESCRIPTION
NAME
NO.
Power supply for internal high-side gate driver. Connect a 0.1-µF bootstrap capacitor between
BST
16
I
this pin and the SW pin. A series boot resistor is optional.
COMP
8
O
Connect an R-C-C network between this pin and VREF for loop compensation.
EN
17
I
Enable pin (3.3-V logic compatible).
GND
6
–
Analog ground.
MODE
18
I
Allows selection of different operation modes. (See Table 1)
1
PGND
2
G
Power ground.
3
PGOOD
19
O
Open drain power good output. Connect pullup resistor.
External tracking reference input. Apply voltage between 0.6 V to 2.0 V. For non-tracking mode,
REFIN
9
I
connect REFIN to VREF via resistor divider.
11
12
SW
13
I/O
Switching node output.
14
15
V5IN
20
I
5-V power supply for analog circuits and gate drive.
4
VIN
I
Power supply input pin.
5
VOUT
10
I
Output voltage monitor input pin.
VREF
7
O
2.0-V reference output. Connect a 0.22-µF ceramic capacitor to GND.
(1)
I = Input, O = Output, G = Ground
4
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Copyright © 2011–2015, Texas Instruments Incorporated
Product Folder Links: TPS53317



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