ALSO OPERATES IN PFM CONTROL TECHNIQUE; ADJUSTABLE OUTPUT MODE FROM 0.4 TO 4.212V
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:
R-PBGA-B16
JESD-609 Code:
e1
Length:
2.499 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
16
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-30 °C
Output Current-Max:
1 A
Output Voltage-Max:
4.2 V
Output Voltage-Min:
0.4 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
VFBGA
Package Shape:
RECTANGULAR
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-BOOST
Switching Frequency-Max:
2700 kHz
Technology:
BICMOS
Temperature Grade:
OTHER
Terminal Finish:
Tin/Silver/Copper (Sn/Ag/Cu)
Terminal Form:
BALL
Terminal Pitch:
0.5 mm
Terminal Position:
BOTTOM
Time@Peak Reflow Temperature-Max (s):
30
Width:
2.116 mm
LM3279TLE/NOPB Frequently Asked Questions (FAQs)
A good PCB layout for the LM3279TLE/NOPB involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input and output pins properly to prevent oscillation.
The LM3279TLE/NOPB can handle input voltages up to 42V, but it's recommended to keep the input voltage below 40V to ensure reliable operation and to prevent damage to the device.
The LM3279TLE/NOPB is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation. Additionally, ensure that the device is properly heatsinked to prevent overheating.
To troubleshoot issues with the LM3279TLE/NOPB, start by checking the input and output voltages, and ensuring that the device is properly configured. Check for any signs of overheating, and verify that the PCB layout and component values are correct. If the issue persists, consult the datasheet and application notes for further guidance.
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LM3279TLE/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.
