OUTPUT VOLTAGE RANGE FROM 1.2 VOLT TO 60 VOLT AND 0 VOLT TO 60 VOLT
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
60 V
Input Voltage-Min:
4.7 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PDSO-G38
JESD-609 Code:
e3
Length:
9.7 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
38
Operating Temperature-Max:
150 °C
Operating Temperature-Min:
-55 °C
Output Voltage-Max:
60 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK-BOOST
Switching Frequency-Max:
735 kHz
Technology:
BIPOLAR
Temperature Grade:
MILITARY
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Width:
4.4 mm
LT3790MPFE#PBF Frequently Asked Questions (FAQs)
A good PCB layout is crucial for the LT3790's performance. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes. A demo board is available from Analog Devices, which can serve as a reference design.
The inductor selection depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor selection guide provided in the datasheet. Additionally, consider factors such as inductor core material, saturation current, and DC resistance. It's also recommended to consult with inductor manufacturers for specific recommendations.
The maximum junction temperature (Tj) of the LT3790 is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation and to ensure a long lifespan. Thermal management is crucial, especially in high-power applications.
Yes, the LT3790 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is manufactured with a high level of quality and reliability. However, it's essential to follow proper design and manufacturing guidelines to ensure the required level of reliability.
Troubleshooting the LT3790 requires a systematic approach. Start by verifying the PCB layout, component selection, and soldering quality. Use an oscilloscope to measure the switching waveforms and identify any anomalies. Consult the datasheet and application notes for guidance on troubleshooting common issues. If needed, contact Analog Devices' technical support for further assistance.
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LT3790MPFE#PBF Overview
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About Analog Devices
Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries.
Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.
