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I'm sorry, I seem to be missing the specific data sheet for the IC1 component (TPS40200DR) in this scenario. However, in a typical TPS40200, a PWM controller IC manufactured by Texas Instruments, the pin configuration is as follows:
Please note that this data is based on typical configurations. It's important to cross check with the specific datasheet for the model in use.
Table
Pin Number
Pin Name
Function
1
VIN
This is the input voltage pin. Power supply for the IC is provided to this pin.
2
GND
This is the ground pin and is commonly tied to the system ground.
3
FB
The feedback pin is used for the voltage feedback from the output. It senses the output voltage for regulation.
4
COMP
This pin is used for the output of the error amplifier and for the input of the PWM comparator. Compensation network can be connected to this pin.
5
INH
This is the Inhibit Pin and can be used to turn off the output.
6
SS
This pin is used to control the soft start timing. A capacitor at this pin sets the ramp rate for the reference voltage during startup.
7
RT/CLK
This pin can accept an external clock for synchronization, or a resistor to ground for setting oscillator frequency.
8
PGND
This is the power ground and should be tied close to the ground of the input supply decoupling capacitor.
9
NDRV
This pin is the driver output for external N channel FET.
Remember to verify pin assignments from the TPS40200DR datasheet.
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