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:
1.1 mm
Supply Current-Max:
5.2 mA
Supply Voltage-Max:
60 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
12 V
Supply Voltage1-Max:
60 V
Supply Voltage1-Min:
4.5 V
Supply Voltage1-Nom:
12 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
fmax-Min:
1 MHz
LM3492QMHX/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the LM3492QMHX/NOPB datasheet, which includes a thermal pad connected to a large copper area on the PCB to dissipate heat. Additionally, it is recommended to use a 4-layer PCB with a solid ground plane to reduce thermal resistance.
To ensure reliable startup and shutdown, it is recommended to follow the startup and shutdown sequencing guidelines provided in the datasheet. This includes ensuring that the input voltage is stable and within the recommended range before enabling the device, and disabling the device before removing the input voltage.
The LM3492QMHX/NOPB is a high-frequency switching regulator, and as such, it can generate electromagnetic interference (EMI) and radio-frequency interference (RFI). To minimize EMI and RFI, it is recommended to use a pi-filter or a common-mode choke at the input and output of the device, and to follow good PCB layout practices such as separating the switching node from sensitive analog circuits.
The selection of the right inductor for the LM3492QMHX/NOPB depends on several factors, including the input voltage, output voltage, output current, and switching frequency. Texas Instruments provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help engineers select the optimal inductor for their application.
The LM3492QMHX/NOPB has a maximum junction temperature of 150°C, and the device must be derated for high-temperature operation. The datasheet provides a thermal derating curve, which shows the maximum output current and power dissipation at different temperatures. Engineers should ensure that the device is operated within the recommended thermal limits to ensure reliable operation.
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LM3492QMHX/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.
