ADP2504-5.0: output voltage incorrect at 1.8V
Hi! I need some help with my use of the ADP2504-5.0. I used the ADP2503_04_BuckBoostDesigner spreadsheet to design my circuit with the following parameters: Minimum input voltage = 3V, maximum output...
View ArticleADM7151 self excited
I used ADM7151 for PLL+VCO power supply ,If the load 400mA current ,then the VCO output will uperimposed spur,if don't use ADM7151, the output is correct.,attachment are ADM7151 circuit diagrams and...
View ArticleWhen there is a negetive voltage exist on the output of ADP7142, it will not...
Hello everyone, There is a problem when I use ADP7142. When I apply a negetive voltage below -0.5V, the LDO will not work. Once the voltage over than -0.5V, the output go back to normal as the...
View ArticleCan I use ADM7150 family for precision IMU design?
Hi,I'm working on high precision IMU/AHRS using high end accelerometers, gyroscopes and magnetometers. I'm looking for best power supply chip to power these MEMS sensors to reduce noise in the circuit...
View ArticleADP225 output current spec
Hello, I would like to know if the 300mA output current specification for both outputs together or 300mA for each output. Thanks in advance,Simon.
View ArticleADP1755 Operating Temp Limit Question
For the ADP1755, page 5 of the datasheet (absolute maximum table) gives a “Junction temperature range” of -40C to +125C, then a “Junction temperature” of +150C. Is the former the operating temperature...
View ArticleADP1712 Enable/Disable Voltage Tolerance
In reference to Figure 30 in the current revision of the ADP1712 datasheet, what type of variation can we expect on these voltages? In the following test circuit, we changed R2 to 49.9k and R3 to...
View ArticleLooking for power...
Hello, We're looking for power solution for one of our video oriented projects.This device is powered from +12V battery or from +5V USB (used for software updates and configuration, video section is...
View ArticleADP5052 For DDR3 Design
Dear All:My system ADP5052 CH3 provide 1.5V to DDR3 VDDQ/VTT(1.5V) use, but I found just ADP5052 CH3 output with DDR3 VDDQ/VTT 1.5V together, ADP5052 CH3 output voltage down to 1.39V~1.4V. ADP5052 can...
View ArticleADP5585 configuration of Registers
Hello Friends,I start using this IC of ADP5585 recently,and now I don't know how to use it.I want to use it as a matrix keyboard,and the problem that I meet is I don't know how to configure the...
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