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ADP2108-3.3 Cannot deliver more than 200mA
I have two different boards designed for the ADP2108. After assembly, both boards seemed to be stuck at 1.0V output. The input voltage is supplied by 5V USB (measures 4.8V) with 1.0A output capability....
View ArticleADP2108-3.0V outputting 1.0V (instead of fixed 3.0V)
ADP2108AUJZ-3.0-R7Compact, 600 mA, 3 MHz, Step-Down DC-to-DC ConverterFixed Output Voltage - 3.0VHello,I have an ADP2108 that should output a fixed voltage of 3.0V. But for some reason, it's only...
View ArticleWhat is the difference between ADP1043A and ADP1046A
The package and Pin configuration of ADP1043A and ADP1046 are the same. What is key difference between ADP1043A and ADP1046A?
View ArticleSOFTWARE GUI- ADP1048
Hi, I actually happened to look at a video describing the working of an ADP1048 Digital PFC daughter card. Now, with the Software GUI provided with in the interactive CD ROM, can I actually just...
View ArticleADP1055 EVAL
Hello, 1. I would like to use USB-SDP-CABLEZ with ADP1055 EVAL (instead of ADP-I2C-USB-Z) is it possible?2. what is the duty cycle range of adp1055? thanks,Dudu Dayan
View ArticleADP1607 boost DCDC; Max Vin voltage is Vout?
HiADP1607 datasheet say "0.8V to Vout input voltage range"But when Vin=Vout, it doesn't work. I think. In other colum, it need reduce diode or cascode FET voltage , I think."To use the ADP1607 in the...
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Setting the cross over frequency
Hi, The other day I was asked by my collegue like that why the corss over frequency is set by one-ten of SW(1/10*Fsw).Actually I could not answer it logically. I usually go by the datasheet.(I know...
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ADuM123x: Does it require external supplies for VDDA and VDDB?
I'm planning to use ADuM1233 in my project. I studied its datasheet today. There is something I'm trying to make clear which is not clearly mentioned in the datasheet. How are the VDDA and VDDB...
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Thermal Resistance of ADL5310
Hello! I am looking for the Thermal Resistance, Junction-to-Case, of the ADL5310. The data sheet seems to only have the value for Theta-JA (junction-to-ambient). Can someone help me out with this...
View ArticleAbout the outputvoltage accuracy of ADP2119
Hi all, I have a question on ADP2119.Regarding the ouput voltage accuracy of the fixed output version,Do you have any data on it?I want to achieve1.0 output voltage within 3 % errors.So It would be...
View ArticleAbout overcurrent protection and selecting external diode
Hi ,I have some questions about LDO products. #1,It looks like that ADI LDO products have current limitting protection, not current foldback.I just wondered why most LDO's current protection is current...
View Articleuse a ADM706T with a Microchip PIC?
I've got a project with the SHARC 21489 and it also has an 18F serise PIC. I'm planning to use an ADM706T as a voltage monitor reset and a watchdog reset for the SHARC. It would be nice to use the...
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ADP1613, inrush current at inductor
Hi, We can see quite big inrush around 3~4A at inductor current on the datasheet(Rev.D) Figure 31. of ADP1613, under the condition of Css=100nF, as shown in below enclosed by red.Could you please let...
View ArticleWatchdog constant RESETn
Hi, I'm looking for watchdog, open drain, that can reset a FET transistor if it fails to strobe within a preset timeout period- constant '0' as long as the input watchdog stays without toggling. I...
View ArticleADP2303 inductor question
Hello, Recently I made a buck converter with the ADP2303 5V fixed output using the circuit given in the ADP2303 datasheet. Input 12V, output 5V. Components are as recommended by the datasheet, except...
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ADP1055 Digital secondary pwm controller
Hello everyone,I would like to use ADP1055 controller at my new design. I already ordered the EVAL_BOARD but it will arrived only next month and i have some urgent questions:1. I have big interest at...
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dc/dc controller with output of 500 V
Hello, I cannot find dc/dc controller with input of 5V or 9V and output of 500V without addition of the transformer in electrical circuit. I need 500 V supply for Geiger counter. Can someone help me...
View ArticleBuck-boost converter
Looking for Buck-boost converter with below specifications, not sure if analog devices have it? Input voltage: 1.8V to 5.5VOutput voltage: 3.3VOutput current: <200mA
View ArticleADP2108-3.0V outputting 1.0V (instead of fixed 3.0V)
ADP2108AUJZ-3.0-R7Compact, 600 mA, 3 MHz, Step-Down DC-to-DC ConverterFixed Output Voltage - 3.0VHello,I have an ADP2108 that should output a fixed voltage of 3.0V. But for some reason, it's only...
View ArticleSOFTWARE GUI- ADP1048
Hi, I actually happened to look at a video describing the working of an ADP1048 Digital PFC daughter card. Now, with the Software GUI provided with in the interactive CD ROM, can I actually just...
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