Power Management

Q&A LT8640S vs LT8640S-2

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What is the difference between the LT8640S & LT8640S-2 ? +1

2 Replies
on Dec 5 2018
by @Jake@

Products Mentioned

LT8640S Recommended for New Designs
The LT8640S/LT8643S synchronous step-down regulator features second generation Silent Switcher architecture designed to minimize EMI emissions while delivering...
Datasheet
LT8640S on Analog.com

LT8640S-2 Recommended for New Designs
The LT8640S-2/LT8643S-2 synchronous step-down regulator features Silent Switcher architecture designed to minimize EMI emissions while delivering high...
Datasheet
LT8640S-2 on Analog.com

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LT8640S vs LT8640S-2

D_S

on Nov 29, 2022

Category: Hardware

Product Number: LT8640S-2

I have a design for the LT8640S-2, can I use the LT8640S without any change in the circuit?

corrected part number typo
[edited by: lallison at 8:10 PM (GMT -5) on 26 Jan 2023]

Tags: hardware Ultralow Noise Regulators High Input Voltage Buck Regulators LT8640S switching regulators Step-Down (Buck) Regulators LT8640S-2 Show More

0 FormerMember

on Nov 30, 2022 7:22 PM

Short answer is not really. You will have to add some more components.

See below comparison for the same design:

The two ICs are not pin to pin compatible so you would need some changes in the design.

Regards,

Jhun