SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.2 mm
Supply Current-Max (Isup):
2 mA
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
4.5 V
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
400 kHz
Temperature Grade:
MILITARY
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
TPS51116MPWPREP Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as keeping the power traces short and wide, using a solid ground plane, and minimizing vias and thermal reliefs.
The output capacitor selection depends on the output voltage, output current, and desired ripple voltage. A general rule of thumb is to choose a capacitor with a capacitance value of at least 10uF to 22uF, and a voltage rating of at least 1.5 times the output voltage. Additionally, consider the capacitor's ESR, ESL, and temperature rating.
The TPS51116MPWPREP has an absolute maximum input voltage rating of 6.5V, but the recommended maximum input voltage is 5.5V to ensure reliable operation and to prevent damage to the device.
The TPS51116MPWPREP has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor divider network. The resistor values can be calculated based on the desired overcurrent threshold and the output voltage.
The TPS51116MPWPREP has a thermal derating of 13.3mW/°C above 25°C, which means that the device's power dissipation rating decreases as the ambient temperature increases. This should be considered when designing the thermal management of the system.
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TPS51116MPWPREP 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.
