TPS63070: Vout accuracy for TPS630701

Hello Sabrina-san,

The customer thinks that TPS630701 Vout accuracy is a little bigger than TPS63070(1% in PWM mode and 3% in F|PFM mode)

due to internal divider resistors. (Is the accuracy of TPS63070 not include external divider resistors accuracy, right ?)

And they cannot decide whether their thought is collect or not by Fig.38 and 39 of the datasheet.

The application is some FA equipment (detail is not cleared so far).

Thanks and best regards,

Hiro

The measurements on Fig. 38 and 39 were taken on the EVM, therefor includes the external resistor divider accuracy (1%)
What accuracy does the customer wants to achieve?

Hello Sabrina-san,
The customer wants to know which has better accuracy... please let us know.
1) TPS63070 with external 1% resistors or TPS630701
2) TPS63070 with external 0.5% resistors or TPS630701
The conditions are as belows.
Vin = 4 to 8V
Vout = 5.0V
Iout = 0.3A typ / 1A peak


Thanks and best regards,
Hiro

Hello Sabrina-san,

Thank you for your cooperation, please let us know when you get information.

Thanks,
Hiro

Hello Sabrina-san,

Thank you for replying, I'll tell that the customer.

Thanks,

Hiro