ALSO OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 5.5V
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
28 V
Input Voltage-Min:
1.8 V
Input Voltage-Nom:
5 V
JESD-30 Code:
R-PDSO-G14
JESD-609 Code:
e4
Length:
5 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
14
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
10 A
Output Voltage-Max:
5.5 V
Output Voltage-Min:
0.76 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Equivalence Code:
TSSOP14,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
550 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
TPS51117PW Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
The selection of input and output capacitors depends on the specific application requirements, such as the input voltage range, output voltage, and output current. In general, low-ESR capacitors with high ripple current ratings are recommended. The datasheet provides some guidance on capacitor selection, but it's also important to consult the capacitor manufacturer's datasheets and application notes.
The TPS51117PW is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's important to ensure that the device's junction temperature does not exceed 150°C, and to follow the thermal design guidelines in the datasheet.
The TPS51117PW has a fixed output voltage option, but it can also be configured for adjustable output voltage using external resistors. The datasheet provides a formula for calculating the required resistor values, and it's also important to consider the output voltage tolerance and stability requirements.
The typical startup time for the TPS51117PW is around 10ms, but this can vary depending on the input voltage, output voltage, and output current. The datasheet provides more information on the device's startup characteristics, and it's also important to consider the system's power-up sequencing requirements.
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TPS51117PW 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.
