LT1268CQ#PBF footprint, schematic symbol and 3D model by Analog Devices

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LT1268CQ#PBF - Analog Devices PCB footprint - Other - Other - Q Package 5-Lead-Plastic-DD-PAK

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Part Number LT1268CQ#PBF
Manufacturer Analog Devices
Pin Count 6
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - Q Package 5-Lead-Plastic-DD-PAK
Released Date Dec 19, 2018
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

LT1268CQ#PBF Details

Manufacturer Part Number:
LT1268CQ#PBF
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
PLASTIC, D2PAK-5
Pin Count:
5
Manufacturer Package Code:
05-08-1461
Country Of Origin:
Malaysia
ECCN Code:
EAR99
HTS Code:
8542.39.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
9
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Input Voltage-Max:
30 V
Input Voltage-Min:
3 V
Input Voltage-Nom:
15 V
JESD-30 Code:
R-PSSO-G5
JESD-609 Code:
e3
Length:
10.2235 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
5
Operating Temperature-Max:
125 °C
Output Current-Max:
7.5 A
Output Voltage-Nom:
1.244 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
TO-263
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
245
Qualification Status:
Not Qualified
Seated Height-Max:
4.572 mm
Supply Current-Max (Isup):
10 mA
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
150 kHz
Technology:
BIPOLAR
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
1.7 mm
Terminal Position:
SINGLE
Width:
8.89 mm

LT1268CQ#PBF Frequently Asked Questions (FAQs)

A good PCB layout for the LT1268CQ involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, ensure that the output capacitor is of sufficient size and has a low ESR, and that the input capacitor is properly bypassed. Also, avoid using long input traces and keep the feedback loop as short as possible.
The LT1268CQ can operate in ambient temperatures up to 125°C, but the junction temperature should not exceed 150°C. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
Yes, the LT1268CQ can be used in switching regulator designs, but it's essential to ensure that the device is properly bypassed and that the input and output capacitors are of sufficient size and have low ESR. Additionally, the device's switching frequency should be limited to 100 kHz or less to prevent excessive power loss.
To troubleshoot oscillations or instability issues, start by checking the PCB layout and ensuring that it follows the recommended guidelines. Then, verify that the component values are correct and that the input and output capacitors are of sufficient size and have low ESR. Use an oscilloscope to measure the output voltage and current, and check for any signs of oscillation or ringing. If the issue persists, consider reducing the switching frequency or adding additional bypass capacitors.

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LT1268CQ#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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