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:
5.5 V
Input Voltage-Min:
4.5 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 Terminals:
14
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Voltage-Max:
5.5 V
Output Voltage-Min:
0.7 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
Supply Current-Max (Isup):
0.75 mA
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
550 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
NICKEL PALLADIUM GOLD
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
TPS51117PWG4 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general guidelines for switching regulator layout, such as keeping the input and output capacitors close to the IC, and using a solid ground plane to reduce noise and EMI.
The datasheet provides a list of recommended inductors, but you can also use the following guidelines: choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (typically between 1-10uH). You can also use online inductor selection tools or consult with the inductor manufacturer for specific recommendations.
The datasheet specifies a maximum input voltage of 5.5V, but it's important to note that the device can handle transient voltages up to 6V for short periods of time (less than 100ms). However, it's recommended to keep the input voltage within the specified range to ensure reliable operation and prevent damage to the device.
The output voltage of the TPS51117PWG4 can be adjusted by changing the value of the feedback resistors (RFBT and RFBG). You can use the equation provided in the datasheet to calculate the required resistor values for a specific output voltage. Additionally, you can use online calculators or simulation tools to simplify the design process.
The thermal shutdown temperature of the TPS51117PWG4 is typically around 150°C, but this can vary depending on the specific device and operating conditions. It's recommended to consult the datasheet and follow proper thermal design and layout practices to ensure reliable operation and prevent overheating.
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TPS51117PWG4 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.
