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Jonathan Geronga
1 month ago
Power management
Power management forum
TPS7A47: Design review request
TI Thinks Resolved
Part Number:
TPS7A47
Hi Team, I am posting this on behalf of our customer. They are using
TPS7A47
01 in their new design and facing one issue. They use a Voltage divider 9.76K and 9.76K to the FB to set the output voltage to 2.8V. The output is 2.798 as...
Jonathan Geronga
3 months ago
Power management
Power management forum
TPS7A47: Maximum output capacitance allowable
Resolved
Part Number:
TPS7A47
Hi Team, Our customer has a 47uF directly on the output for stability
Vojtech Petrucha
3 months ago
Power management
Power management forum
TPS7A47: (very) low frequency noise - any data available?
TI Thinks Resolved
Part Number:
TPS7A47
Hello, looking for a LDO for an application where the LF noise also matters (0.01-10 Hz) the graphs in datasheet are 10 Hz - 1 MHz and the charts suggest that it will be rather flat at low frequencies..? Please do you have any data...
Yusuke Mukuno
2 months ago
Power management
Power management forum
TPS7A47: Vdo vs PSRR
Part Number:
TPS7A47
Hi expert, My customer have a request. Could you please give me the Vdo vs PSRR data like figure16 at Vout=15V ? (
TPS7A47
) Also, in case of TPS7A3301, please give me same data at Vout=-15V ? I had understood that the...
Ian Wang
5 months ago
Power management
Power management forum
TPS7A47: Looking for high PSRR LDO
TI Thinks Resolved
Part Number:
TPS7A47
Hi Sir, My customer looking for high PSRR LDO as below condition, would you pls help advise which one will be better? (I cannot get any solution is website selection.) Vin=3.9V Vout=1.05V Io=1A PSRR: as high as possible...
Aaron Paxton
4 months ago
Power management
Power management forum
RE: LDO 35V 1A WITH ON OFF CONTROL
Hello Steven, If you want to try an LDO in this configuration, try the
TPS7A47
. You'll still want to be mindful of dissipation like Stephen Z mentioned. ~ Aaron
JCHK
6 months ago
Power management
Power management forum
RE: TPS7A47: Low frequency noise
HI Sato-san, Using a feedforward capacitor is a great way to help further reduce noise. This is discussed in our LDO Basics series . Also increasing the C NR capacitor can help but this increases the soft-start time. One advantage of the
TPS7A47
...
Stephen Ziel
5 months ago
Power management
Power management forum
RE: TPS7A47: Oscillation on the specific load
Hi Ilya, What frequency is your switching converter operating at? Can you provide some oscilloscope plots of Vin and Vout? Does the oscillation or ringing go away if you include the 10uF input capacitor? Thanks, - Stephen
KKF
9 months ago
Power management
Power management forum
TPS7A47: Changing Vout on the fly
Resolved
Part Number:
TPS7A47
Hi LDO team, Can the voltage selector pins & Vout of the
TPS7A47
00RGWR
XY
9 months ago
Power management
Power management forum
TPS7A47: can it handle pulse load current?
Resolved
Part Number:
TPS7A47
Hi there, we are considering use
TPS7a47
01 as tracking LDO in this thread
>
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