Power management

L7987L switching regulator, does not output expected voltage

I am testing the L7987L chip for my PoE module project. I got the dev board STEVAL-ISA198V1.I noticed that it gives out 4.8V instead of 5V (with or without load). Also I was expecting that chip will cut output once the input voltage is less than 5V (...

I would like to know the distributor of STL66N3LLH5 in Korea.

I want to know the inventory status in Korea.

Hello, Pls let us know the minimum operating temperature of below ST parts 1. P/N : STPS8L30DEE-TR 2. P/N : STPS30M100DJF 3. P/N : STD11NM50N 4. P/N : STTH1R04A Thanks a lot

Programming a Steval-Spin3202 custom board over SWD

Hello,I made a custom board of the Steval-Spin320. At the moment I'am struggeling to program the board over the SWD interface. I use the ST-Link V2 programmer and the ST-Link Utility Software. I have problems connecting the microcontroller. Can anybo...

How to convert 3 Quadrature Encoders to 3 analog tachometers signals

Need a sample software and evaluation board for L9305

Omission in datasheet - VNH5019

I am writing to report an omission in the datasheet for the VNH5019. In table 1, the list of connections for unused pins the CP pin is not mentioned.This is fairly serious issue, as if the CP in connected to GND the controller overheats and stops wo...

Thermal model for STPS41L30CG-TR.. Is there something like a Cauer thermal model available for this that I can use in spice?

Can I use spv1050's battery to power the system load without input?

Hi - does someone know whether the two LDOs on the SPV1050 will supply power even when the charging circuitry is disconnected with only battery connected?My application should get LDO power all the time, but it only receives IN_LV recharge voltage s...