Forum Post: RE: LP38511 unity gain cross over frequency
Hello Donald san, Thank you very much for the reply.I understood. Best Regards,Ryuji Asaka
View ArticleForum Post: RE: TLV1117 internal OUTPUT pin connection of SOT223 package
Hello Ron san, Thank you.I understood. Best Regards,Ryuji Asaka
View ArticleForum Post: TPS7A6950-Q1 tPOR
Dear, Sir.tPOR-fixed Value, 100us - 290us - 650us, are defined on the data sheet Page 3.How about thermal coefficent of this value?Under High temp, it become short time in this range? Best Regards,
View ArticleForum Post: LM317A - About INPUT-OUTPUT DIFFERENTIAL
The Dropout Voltage of the TYPICAL value is written in figure12 of page7 of the datasheet.http://www.ti.com/lit/ds/symlink/lm317-n.pdf In the case of IOUT=1A, I can read it 2.0V at 50℃ and I can read...
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Forum Post: BQ27410 Data Error
Hi,I'm testing bq27410-G1 on my board.I'm monitoring gauging data using bq Evaluation Software.Bq27410 is connected with fully charged battery. (max voltage is 4.2V)Design capacity is 280mAh but I set...
View ArticleForum Post: RE: TPS56121 switching noise
HI JohnSaw on page 12 of datasheet mentioning using boot cap and res to slow down the switch on of the High side, is there a table or formula to co-relate the values of the R and C; other than trail...
View ArticleForum Post: TLV713 LDO
I have a couple of questions about this TLV713.1) Does the part come in 1.7V, 1.6V, 1.5V?2) Quiescent current of the part is 50uA is that a typical value what is the maxim value? Sujeeva...
View ArticleForum Post: TPS55065 Start-up
Hi All, The TPS55065 switch-mode regulator does not start at V(driver) less than 5 V.Once it started it can regulate 5V with input down to 1.5VUnfortunatelly it is not an option for buck-boost...
View ArticleForum Post: 1500 watt Ac-Dc
Dear Sir, We are working on a higher amperes AC-DC Li-ion Battery Charger. Can you suggest some IC/Design which work on high wattage i.e for 1500 watt (20 Amps) RegardsTanvi Verma
View ArticleForum Post: Two Li-ion Cells Primary Protection IC
Dear SirI am working on project in which I require a protection circuit for my 2s battery and for that I require a Small Size circuit .I am interested in UCC-3911 but its under voltage is very low...
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Forum Post: Question about REGIN and REG25 of BQ27410
Dear TIer,I have one question about BQ27410.One of my customer is using BQ27410 as below. She is not using the integrated LDO, and using external LDO for power supply to BQ27410. Both REGIN and REG25...
View ArticleForum Post: LM5119: Vout when above max duty cycle, i.e., Vin too low?
We have an application where Vin might occasionally drop down close to or below Vout. What happens when Vin drops too low and the max duty cycle spec would need to be exceeded to continue to...
View ArticleForum Post: Inquiry regarding TPS54360 behavior on light load
Hello, allNow we are evaluating TPS54360EVM-182, then would like to know the behavior when light load adopted.Please see the enclosed report and feedback us your comment, in order to clarify this root...
View ArticleForum Post: RE: bq24079 / Charging terminated immediately
Hi,Our customer found that this problem is happened due to higher impedance into battery pack. They tried to add 1ohm resistor in series to normal battery pack, then they could duplicate the same...
View ArticleForum Post: TPS76901-HT
Hi.TPS76901-HT dropout voltage is specified ypical value only(71mV @100mA).I want to know max dropout value at 100mA in 210 degree environment.And is it usable under 5Vin?
View ArticleForum Post: RE: inrush current of TLV70225.
Hi RyanThank you for your quick reply.This is LDO output current. (after LDO)Here is capacitors information : -input capacitor : 1uF 1pcs. -output capacitor: 1uF 1pcs. ＋ 0.1uF 10pcs. ＋ 10uF 3pcs....
View ArticleForum Post: RE: CSD16327Q3 lead finish
Aaron, Sorry for the delayed response. I handle this forum and am currently out of town on business. I emailed some folks and hope to have an answer for you soon (day or two max).
View ArticleForum Post: Need low noise inverting buck-boost for light to medium loads
In my application I'm concerned about noise. I'm planning on syncing the power supply to one of my clocks. If the converter utilizes pulse skipping, that may move the noise spectrum down into my...
View ArticleForum Post: TPS51206 VDDQSNS and VTT/VTTREG operating range
The TPS51206 datasheet says VDDQSNS max is 3.5V. However, its first page also states VTT output range is 0.5V to 0.9V for DDR applications with VDDQ at 1.8V, 1.5V, 1.35V, etc. Can the TPS51206 be used...
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