SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Screening Level:
AEC-Q100
Seated Height-Max:
1.09 mm
Supply Current-Max:
45 mA
Supply Voltage-Max:
42 V
Supply Voltage-Min:
6 V
Supply Voltage-Nom:
24 V
Supply Voltage1-Max:
42 V
Supply Voltage1-Min:
6 V
Supply Voltage1-Nom:
24 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
fmax-Min:
2 MHz
LM3409QMYX/NOPB Frequently Asked Questions (FAQs)
A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good airflow around the device. The datasheet provides some guidelines, but a more detailed application note from TI provides additional recommendations.
To ensure a stable and accurate output voltage, it's essential to follow the recommended capacitor selection and placement guidelines, and to ensure that the input voltage is within the recommended range. Additionally, the output voltage can be adjusted using the feedback resistors, and the datasheet provides a formula to calculate the required resistor values.
Exceeding the maximum junction temperature can lead to reduced reliability, decreased performance, and even device failure. It's essential to ensure that the device is operated within the recommended temperature range to prevent thermal damage.
To protect the device from input voltage transients and surges, it's recommended to use input capacitors with a high voltage rating, and to add transient voltage suppressors (TVS) or surge protectors to the input line. Additionally, the datasheet provides guidelines for input voltage filtering and protection.
Not using the recommended input and output capacitors can lead to reduced performance, instability, and even device failure. The capacitors play a critical role in filtering the input voltage, reducing noise, and ensuring a stable output voltage.
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LM3409QMYX/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.
