SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Packing Method:
TR
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Regulator Type:
FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Screening Level:
AEC-Q100
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Technology:
PMOS
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
Voltage Tolerance-Max:
2%
Width:
4.4 mm
TPS77618QPWPRQ1 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 and a voltage rating of at least 1.5 times the output voltage. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure it can handle the output current and frequency.
While the datasheet specifies a maximum input voltage of 5.5V, it's recommended to derate the input voltage to 5V or less to ensure reliable operation and prevent damage to the device.
The TPS77618QPWPRQ1 has built-in OCP and SCP features. To implement these features, connect the OCP pin to a resistor divider network that sets the current limit threshold. For SCP, connect the SCP pin to a resistor divider network that sets the short-circuit detection threshold. Refer to the datasheet for specific implementation details and equations.
The thermal derating curve is not explicitly provided in the datasheet, but it can be estimated based on the device's thermal resistance (RθJA) and maximum junction temperature (Tj). As a general rule, the device's output current should be derated by 1-2% per degree Celsius above 25°C to ensure reliable operation.
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TPS77618QPWPRQ1 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.
