SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
1000 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
TPS40053PWPR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet (section 10.2) and in the TPS40053PWPR Evaluation Module user's guide. It's essential to follow these guidelines to ensure optimal thermal performance and minimize thermal resistance.
The input capacitors should be selected based on the input voltage, current, and ripple requirements. TI recommends using low-ESR capacitors with a voltage rating of at least 1.5 times the maximum input voltage. The datasheet provides guidance on input capacitor selection in section 7.3.
The maximum output current capability of the TPS40053PWPR is 3A per channel, but it's limited by the thermal performance of the device. The actual output current capability depends on the ambient temperature, PCB layout, and thermal management. Refer to the datasheet's thermal characteristics section for more information.
The TPS40053PWPR has an adjustable output voltage, which can be set using an external resistor divider network (R1 and R2) connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a specific output voltage in section 7.2.
The EN (enable) pin is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled. This pin can be used to implement power sequencing, shutdown, or low-power modes in the system.
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TPS40053PWPR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
