LTC4278IDKD#PBF footprint, schematic symbol and 3D model by Analog Devices

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Part Number LTC4278IDKD#PBF
Manufacturer Analog Devices
Pin Count 33
Part Category Integrated Circuit
Package Category Small Outline No-lead
Footprint Name Small Outline No-lead - DKD Package 32-Lead Plastic DFN (7mm × 4mm)
Released Date May 7, 2026
Last Modified Date May 7, 2026 10:48 AM UTC
Pinout / Pin List Click Here (Member Only)

LTC4278IDKD#PBF Details

Manufacturer Part Number:
LTC4278IDKD#PBF
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
DFN-32
Pin Count:
32
Manufacturer Package Code:
05-08-1734
Country Of Origin:
Thailand
ECCN Code:
EAR99
HTS Code:
8542.39.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
10
JESD-30 Code:
R-PDSO-N32
JESD-609 Code:
e3
Length:
7 mm
Moisture Sensitivity Level:
1
Number of Terminals:
32
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Equivalence Code:
SOLCC32,.16,16
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.8 mm
Supply Voltage-Max:
57 V
Supply Voltage-Min:
10 V
Supply Voltage-Nom:
12 V
Surface Mount:
YES
Technology:
CMOS
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.4 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4 mm
uPs/uCs/Peripheral ICs Type:
PSE CONTROLLER

LTC4278IDKD#PBF Frequently Asked Questions (FAQs)

A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power and ground connections.
Ensure that the input voltage is within the recommended range (2.7V to 5.5V), and that the EN pin is properly biased (high or low) to enable or disable the device. Also, configure the I2C address by connecting the ADDR pin to VCC, GND, or leaving it open.
The maximum current that can be drawn from the VOUT pin is 100mA. Exceeding this limit may cause the device to overheat or malfunction.
Check the I2C clock frequency (should be between 10kHz and 400kHz), ensure the SCL and SDA lines are properly terminated, and verify that the I2C address is correctly configured. Use a logic analyzer or oscilloscope to debug the I2C bus signals.
The thermal impedance of the LTC4278IDKD package is 45°C/W (junction-to-ambient). Ensure proper heat sinking and thermal management to prevent overheating.

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LTC4278IDKD#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.

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