ADJUSTABLE OUTPUT MODE FROM 4.5 TO 5.5V AND 2.97 TO 3.63V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
24 V
Input Voltage-Min:
5 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-PQCC-N20
JESD-609 Code:
e4
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
4
Number of Terminals:
20
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
20 A
Output Voltage-Max:
5.5 V
Output Voltage-Min:
4.5 V
Output Voltage-Nom:
3.3 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.8 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
355 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.4 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
TPS51275RUKT Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise.
Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current rating. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating that meets or exceeds the output voltage. Refer to the datasheet for specific recommendations and calculations.
The TPS51275RUKT is rated for operation up to 85°C ambient temperature. However, it's essential to consider the junction temperature (TJ) and ensure it stays within the recommended range (–40°C to 150°C) to maintain reliability and prevent thermal shutdown.
The TPS51275RUKT has built-in OCP and SCP features. To implement them, connect the OCP pin to a resistor divider network that sets the current limit, and use the SCP pin to detect short-circuit conditions. Refer to the datasheet for specific implementation details and calculations.
The recommended input voltage range for the TPS51275RUKT is 2.7V to 5.5V. Operating outside this range may affect performance, efficiency, or reliability. Ensure the input voltage is within the recommended range to achieve optimal performance.
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TPS51275RUKT 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.
