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Std Datasheet(Fiches technique) 4 Page - Texas Instruments

Numéro de pièce Std
Description  TPS54519EVM-037, 5-A, SWIFT™ Regulator Evaluation Module
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
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Test Setup and Results
www.ti.com
2
Test Setup and Results
This section describes how to properly connect, set up, and use the TPS54519EVM-037 evaluation
module. The section also includes test results typical for the evaluation module and covers efficiency,
output voltage regulation, load transients, loop response, output ripple, input ripple, and start-up.
2.1
Input/Output Connections
The TPS54519EVM-037 is provided with input/output connectors and test points as shown in Table 4. A
power supply capable of supplying 3 A must be connected to J1 through a pair of 20 AWG wires. The load
must be connected to J4 through a pair of 20 AWG wires. The maximum load current capability must be at
least 4 A to use the full capability of this EVM. Wire lengths must be minimized to reduce losses in the
wires. Test-point TP1 provides a place to monitor the V
IN input voltages with TP2 providing a convenient
ground reference. TP6 is used to monitor the output voltage with TP7 as the ground reference.
Table 4. EVM Connectors and Test Points
Reference Designator
Function
J1
V
IN (see Table 1 for VIN range).
2-pin header to allow connection of an external track in voltage to SS/TR. Use with optional resistor
J2
divider of R5 and R6
J3
V
OUT, 1.8 V at 5 A maximum
JP1
2-pin header for enable. Connect EN to ground to disable, open to enable.
JP2
2-pin header for to allow pullup of PWRGD to V
IN
TP1
V
IN test point at VIN connector
TP2
GND test point at V
IN
TP3
Slow-start monitor test point
TP4
PH test point
TP5
PWRGD test point
TP6
GND test point
TP7
Test point between voltage divider network and output. Used for loop response measurements.
TP8
Output voltage test point at OUT connector
TP9
GND test point at OUT connector
4
TPS54519EVM-037, 5-A, SWIFT
™ Regulator— Evaluation Module
SLVU523
– September 2011
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Copyright
© 2011, Texas Instruments Incorporated


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