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:
125 °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:
AUTOMOTIVE
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
TPS51275CRUKT 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 to minimize voltage drops and ensure stable operation. Output capacitors should have low ESR and high capacitance to filter output noise and provide stable voltage. Consult the datasheet and capacitor manufacturers' recommendations for specific values and types.
The TPS51275CRUKT is rated for operation up to 85°C ambient temperature, but it's essential to consider the device's power dissipation, thermal resistance, and PCB design to ensure reliable operation. Consult the datasheet and thermal design guidelines for more information.
The TPS51275CRUKT 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, and connect the SCP pin to a capacitor that sets the short-circuit detection time. Consult the datasheet for specific implementation details and component values.
The TPS51275CRUKT is designed to operate with input voltages between 2.7V and 5.5V. Operating within this range ensures optimal performance, efficiency, and reliability. However, the device can tolerate input voltages up to 6V for short periods, but this may affect performance and reliability.
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TPS51275CRUKT 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.
