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what resistor values to put in the output side according to the datasheet for s...

@copilot what resistor values to put in the output side according to the datasheet for single voltage circuit, that takes in 12V in the input side and i want 10V in the output side. i want to know the resistors values in the output side of this module
2y
To determine the resistor values for the output side of the module to achieve a specific voltage output, we first need to refer to the datasheet of the component specified in your project, which is the PUCC14131QDWNQ1. Since I don't have direct access to datasheets or a database, I'll provide a generalized approach based on common configurations for adjustable output voltage modules using feedback resistors, assuming this module operates in a similar manner. The goal is to adjust the 12V input to a 10V output.
Assuming this module uses a feedback network for setting output voltage similar to how adjustable linear regulators or some DC-DC converters do, the output voltage is typically set using a pair of resistors (let's call them $R_{adj}$ and $R_{ref}$) connected in a voltage divider configuration, where one resistor is connected from the output voltage to the feedback pin and the other is connected from the feedback pin to ground. The output voltage is usually determined by the following formula:
Vout=Vref(1+RadjRref)V_{out} = V_{ref} \cdot \left(1 + \frac{R_{adj}}{R_{ref}}\right)
  • $V_{ref}$: Reference voltage (internal to the module)
  • $R_{adj}$: Adjustable resistor value
  • $R_{ref}$: Reference resistor value
Without the specific $V_{ref}$ value and the exact nature of the feedback network for PUCC14131QDWNQ1, I'll proceed with an example using a hypothetical $V_{ref}$ of 1.25V, which is a common reference voltage for many adjustable regulators.
If you're targeting a 10V output:
10V=1.25V(1+RadjRref)10V = 1.25V \cdot \left(1 + \frac{R_{adj}}{R_{ref}}\right)
Let's solve this for $R_{adj}/R_{ref}$ when $V_{out}$ is 10V:
10V=1.25V(1+RadjRref)10V = 1.25V \cdot \left(1 + \frac{R_{adj}}{R_{ref}}\right) 8=RadjRref8 = \frac{R_{adj}}{R_{ref}} Radj=8RrefR_{adj} = 8 \cdot R_{ref}
Choosing $R_{ref}$ as a standard resistor value can help us derive $R_{adj}$. Since we have resistors of 500$\Omega$ in your project:
Let $R_{ref}$ = 500$\Omega$, Then, $R_{adj}$ = 8 \cdot 500$\Omega$ = 4000$\Omega$.
However, please consult the PUCC14131QDWNQ1's datasheet to find the exact reference voltage and the recommended resistor values or equations for your specific needs. The provided calculation is a general approach and your module might have different parameters or a different method for setting output voltage.
2y
1
U1
R2
Resistance
500 Ω
R3
Resistance
500 Ω
R1
Resistance
500 Ω

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