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Y.Ottey
2 months ago
Power management
Power management forum
UA78M: The value of RθJC and ψT
TI Thinks Resolved
Part Number:
UA78M
Dear TI team Our customer is considering the
UA78M
12CKVURG. Looking at the data sheet, RθJC and ψT are not specified for the KVU package. If you have the data, could you please tell me? Best Regards, Y.Ottey
Y.Ottey
6 months ago
Power management
Power management forum
UA78M: the thermal resistance of the UA78M
TI Thinks Resolved
Part Number:
UA78M
Dear TI Team Our customers are requesting data on the thermal resistance of the
UA78M
mounted on a two-layer board (Low-k board). From the E2E link below, we have confirmed that the thermal resistance data of the
UA78M
described...
Shunsuke Nagata
7 months ago
Power management
Power management forum
UA78M: Max Cout value
TI Thinks Resolved
Part Number:
UA78M
Hi, Could you please let me know the maximum output cap value for
UA78M
05CDCYR? Is it possible to use 1uF ceramic capacitor to Cout? Regards, Nagata.
user5092672
8 months ago
Power management
Power management forum
UA78M: Regarding operating ambient temperature.
TI Thinks Resolved
Part Number:
UA78M
Could you tell me the maximum rating of the operating ambient temperature of the
UA78M
12?
Y.Ottey
8 months ago
Power management
Power management forum
UA78M: Operation when current exceeding output peak current flows
TI Thinks Resolved
Part Number:
UA78M
Dear all, I would like to know about operation when current exceeding output peak current flows According to the data sheet, peak output current is specified as typ. 700mA. If inrush current flows to
UA78M
exceeding typ.700mA...
JCHK
7 months ago
Power management
Power management forum
RE: UA78M: Power LDO selection
Hi Dheeraj, It looks like you have 28V IN and 3.3V OUT . Looking at the Op-amp datasheet the total input and output current is around 10mA. So the power dissipation would be around 250mW which should be OK. I hope this answers your question.
Qianqian
9 months ago
Power management
Power management forum
UA78M: 24V input, 3.3V 200mA output
TI Thinks Resolved
Part Number:
UA78M
Can
UA78M
support 24V input, 3.3V 200mA output? If not ,is there other good choices?
Brian Wang0928
over 1 year ago
Power management
Power management forum
UA78M: Vout Problem
TI Thinks Resolved
Part Number:
UA78M
Device:
uA78M
05IDCYR Vin: 22V Vout: 5V Iout:50mA Problem Description: When Input voltage is up to 22V with 50mA(ambient Temp is 25degree), the output voltage becomes abnormal and eventually dropping down to 0V. Why? In the...
Zhihong Huang
over 1 year ago
Power management
Power management forum
UA78M: no output in - 50°C
Resolved
Part Number:
UA78M
Hi team,
UA78M
33C is used for two Main boards. After the two main boards
David Woo
over 1 year ago
Power management
Power management forum
UA78M: OTP and internal thermal- overload protection
TI Thinks Resolved
Part Number:
UA78M
We have below some questions on the internal thermal-overload protection of
UA78M
33IKVURG3. Please help. 1. Is there OTP function on
UA78M
33IKVURG3? 2. If there were OTP function or similar, what value is the value when over-temperature...
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