ADP7116 : junction temperature
Hello, I have a question about figure 55 in the ADP7116 data sheet,I want to know the size of the PCB copper areas which the characteristic of the figure 55 is measured.Could you tell me the size of...
View ArticleADR444 Incorrect Output Voltage
I am trying to use the ADR444 as a 4.096V reference for the ADAS3023, using the AD8031 as a buffer, as suggested on the ADAS3023 data sheet. The ADR444 is giving about 4.3V, which is dropping to 4.2V...
View ArticleADP2325 Design Tool vs. Datasheet
Hi! We have a problem with calculation of design containing an ADP2325 Step-Down Regulator. Here are some of the our values: Vin = 15 V;Vout = 3,3 V;Fsw = 300 kHz;Iout = 1 A;Design for Most Efficient...
View ArticleDimming function of ADD5203
Dear Sir/Madam, Our customer is studying with your ADD5203 in exchange for ADD5211 past you recommended. Q-1As for your "DC current dimming" function of page-12 on you datasheet,Does this means...
View ArticleADP1660 independent mode configuration
Dear all, I am trying to use the ADP1660 LED flash driver to driver 2 LEDs at independent mode. Here is my i2c registers configuration value: register value 0x01 0xBD (<----...
View ArticleADP1047, PFC output voltage regulation
HiI'm working on a PFC input stage built around an ADP1047. The input is 230 volt 50 Hz, the output 385 volt DC and the maximum poweris supposed to reach 2100 Watt.It's working quite nicely up to a...
View ArticleADP7116 : junction temperature
Hello, I have a question about figure 55 in the ADP7116 data sheet,I want to know the size of the PCB copper areas which the characteristic of the figure 55 is measured.Could you tell me the size of...
View ArticleClik here to view.
ADP1046A GUI - Register loading
Hello, In setup window of ADP1046A GUI, I changed PWM setting and saved it into my_setting.46r.I closed ADP1046A GUI and executed the GUI again. Then I loaded my_setting.46r. But no change in GUI.How...
View ArticleADP2120 exposed pad
Hello, Is the exposed pad of ADP2120 internally connected to GND pin? Or floating ? Best regards
View ArticleADP151 Thermal Resistance
Hi, The thermal resistance Theta_JA of ADP151 in LFCSP package is inconsistent in page 5 (63.6 C/W) and 15 (>91.8 C/W) of the datasheet. Any clarification is appreciated.
View ArticleADN8831's problem
Dear ADI's Engineer, Now I am using the ADN8831. The cutomer is using ADN8830 before and the target temperature's setting is use the Rx+ Rtherm(in ADN8830 datasheet page 8~9). But in ADN8831 add a...
View ArticleADP1853 spice model
Dear,is there available SPICE model for ADP1853 ?(I'm not interested in web-based simulation tools since my topology is not standard and requires models of external devices.)Thanks in advance...
View ArticleHow can I use the ADP5090 with a CdS cell?
Hello, I'm wanting to use the ADP5090 in a solar powered outdoor light. I'd like to make this as simple of a system as I can to keep cost down and efficiency high. I'd like to use a CdS cell as the...
View ArticleClik here to view.
ADP1046A GUI - Register loading
Hello, In setup window of ADP1046A GUI, I changed PWM setting and saved it into my_setting.46r.I closed ADP1046A GUI and executed the GUI again. Then I loaded my_setting.46r. But no change in GUI.How...
View ArticleADN8831 issue (probably with supply voltage drop)
Hello to all We are trying to use an ADN8831 to drive a TE-module with up to 4V/4A, but it always turns off at ~3A (!standby-pin going low).The circuit we're using is more or less the same as the eval...
View ArticleADN8831 Cooling Problem
I recently started testing my ADN8831-EVALZ board for its heating and cooling control ability.I am currently using a 10k NTC thermistor. I can successfully heat the target device. However, when I try...
View ArticleADN8831 Operation
Hello,I have a question to the TEC controller chip. My laser diode output depends on the temperature. So, using the TEC controller chip, i want to maintain the temperature automatically when the laser...
View ArticleADN8831 temperature control chip
when we use ADN8831, we find reference voltage of chip output(PIN8) isn't stable, change amplitude is about 0.04V, it result in output square wave(PIN20) isn't good(power on for 6 minutes), pls see...
View ArticleADN8831-EVALZ Gerber Files
Hello, where can I download the gerber files of the ADN8831-EVALZboard. Can someone send me the files? Regards Steffen
View ArticleDimming function-2 ADD5203
Dear Sir/Madam, Our customer is studying with your ADD5203 as LED torch.So LEDs will be coming on continuously.And need the dimming function as linear current up and down. Your datasheet shows 2.9A max...
View Article