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STD Datasheet(Fiches technique) 2 Page - Texas Instruments

Numéro de pièce STD
Description  TPS7A4700EVM-094 Evaluation Module
Télécharger  17 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

STD Datasheet(HTML) 2 Page - Texas Instruments

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Setup
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2
Setup
This section describes the connectors and headers on the EVM as well as how to properly connect, setup
and use the TPS7A4700EVM-094. See the Assembly Layer diagram, Figure 5, for the location and
orientation of referenced components.
2.1
Input/Output Connector-Headers and Jumper Descriptions
?
J1 V
IN ? Positive (+) input power supply voltage test and measurement header
?
J2 GND ? Ground and measurement header
?
J3 V
OUT ? Regulator output (up to 1 Amp)
?
J4 GND ? Ground return from the load (up to 1 Amp)
?
J5 (S+) ? V
OUT, Kelvin connection VOUT
?
J5 (S?) ? GRD, Kelvin connection Ground
?
J6 & J7 ? Extra GRD connections
?
J8 ? Enable jumper for external resistor divider
?
J9 ? Enable jumper for the TPS7A4700-094 EVM
?
J10 ? Header for selecting the appropriate output voltage
NOTE:
The positive input lead and ground return lead from the input power supply should be twisted
and kept as short as possible to minimize EMI and source inductance. Additional bulk
capacitance in the form of a Tantalum cap (47 F; 35 V) has been added to the EVM at C1
to counter source inductances that may cause ringing on the load transient waveform during
higher current transients. This bulk capacitance should not be necessary in a typical
application circuit.
Output Voltage Set Note: Set the output voltage by connecting J10 header pins, each
assigned to a given voltage level, to ground where V
OUT = VREF + (Sum of the jumper
voltages). J10 header pins are numbered sequentially, odd pins (1, 3, 5...15) ascending
leftward of pin 1 on the top row. All odd pins are connected to ground. Each even pin is
numbered right to left sequentially (2, 4, 6?16) on the bottom row and each even pin is
assigned a unique voltage level. See the pin-to-pin output voltage assignments in Table 1.
Table 1. J10 Jumper Voltages
V
OUT = VREF
(1) + Sum of Voltage Levels
Voltage Level
Voltage Set Pins
Ground Pins
100 mV
16
15
200 mV
14
13
400 mV
12
11
800 mV
10
9
1.6 V
8
7
3.2 V
6
5
6.4 V
4
3
6.4 V
2
1
(1)
See the data sheet for V
REF value. Publication: SBVS204
Example: Set V
OUT to 3.0 V by connecting a shorting jumper from pin 8 to pin 7.
V
OUT = VREF + 1.6 V = 3.0 V
2.2
Soldering Guidelines
Any solder rework to modify the EVM for the purpose of repair or other application reasons must be
performed using a hot-air system to avoid damaging the integrated circuit (IC).
2
TPS7A4700EVM-094 Evaluation Module
SLVU741 ? May 2012
Submit Documentation Feedback
Copyright 2012, Texas Instruments Incorporated


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