LT8705HFE#TRPBF footprint, schematic symbol and 3D model by Analog Devices

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LT8705HFE#TRPBF - Analog Devices PCB footprint - Other - Other - FE Package 38-Lead Plastic TSSOP (4.4mm)

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Part Number LT8705HFE#TRPBF
Manufacturer Analog Devices
Pin Count 32
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - FE Package 38-Lead Plastic TSSOP (4.4mm)
Released Date Sep 27, 2023
Last Modified Date Jul 2, 2025 1:57 PM UTC
Pinout / Pin List Click Here (Member Only)

LT8705HFE#TRPBF Details

Manufacturer Part Number:
LT8705HFE#TRPBF
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
4.4 MM, LEAD FREE, PLASTIC, TSSOP-38
Pin Count:
38
Manufacturer Package Code:
05-08-1865
Country Of Origin:
Thailand
ECCN Code:
EAR99
HTS Code:
8542.39.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
10
Additional Feature:
ALSO OPERATES IN ADJUSTABLE MODE FROM 1.3V TO 80V
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
80 V
Input Voltage-Min:
2.8 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:
-40 °C
Output Voltage-Max:
80 V
Output Voltage-Min:
1.3 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK-BOOST
Switching Frequency-Max:
400 kHz
Technology:
BIPOLAR
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Width:
4.4 mm

LT8705HFE#TRPBF Frequently Asked Questions (FAQs)

A good PCB layout for the LT8705HFE involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate power plane for the input and output voltages to reduce noise and EMI.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the input and output capacitors meet the recommended specifications, and that the feedback resistors are properly selected. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the VOUT pin and GND to improve stability.
The LT8705HFE is rated for operation from -40°C to 125°C ambient temperature. However, the maximum junction temperature (TJ) should not exceed 150°C. Make sure to consider the thermal design and heat dissipation of the system to ensure reliable operation within the specified temperature range.
Yes, the LT8705HFE is suitable for high-reliability and automotive applications. It meets the requirements of AEC-Q100, a standard for automotive-grade ICs. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific requirements of your application.
To troubleshoot issues with the LT8705HFE, start by checking the input voltage, output voltage, and feedback resistors. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to monitor the output voltage and input voltage ripple. If issues persist, consult the datasheet and application notes for guidance, or contact Analog Devices' technical support for further assistance.

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LT8705HFE#TRPBF 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.

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