ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO OPERATES IN ADJUSTABLE MODE FROM 0.4 TO 3.6V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
2.7 V
Input Voltage-Nom:
3.8 V
JESD-30 Code:
S-PBGA-B16
JESD-609 Code:
e1
Length:
2.019 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
16
Operating Temperature-Max:
90 °C
Operating Temperature-Min:
-30 °C
Output Current-Max:
3 A
Output Voltage-Max:
3.6 V
Output Voltage-Min:
0.4 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
VFBGA
Package Shape:
SQUARE
Package Style:
GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.675 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2970 kHz
Temperature Grade:
OTHER
Terminal Finish:
Tin/Silver/Copper (Sn/Ag/Cu)
Terminal Form:
BALL
Terminal Pitch:
0.4 mm
Terminal Position:
BOTTOM
Time@Peak Reflow Temperature-Max (s):
30
Width:
2.019 mm
LM3253TME/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
To ensure stability, follow the recommended component values and PCB layout, and make sure the input and output capacitors meet the recommended specifications. Additionally, check that the feedback loop is properly compensated and the output voltage is within the recommended range.
The LM3253TME/NOPB has an operating junction temperature range of -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and thermal design. Typically, it's recommended to keep the ambient temperature below 85°C for reliable operation.
Yes, the LM3253TME/NOPB is qualified for automotive and high-reliability applications, but it's essential to follow the recommended design and testing guidelines, and to ensure that the device meets the specific requirements of the application.
To troubleshoot issues, start by checking the input voltage, output voltage, and current draw. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for oscillations or noise on the output voltage. If the issue persists, consult the datasheet and application notes, or contact Texas Instruments support for further assistance.
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LM3253TME/NOPB 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.
