There is not much difference between the household, individual and domestic violence weights, since there is almost a one to one correspondence of respondents to households (all women 15-49 for individual questions and one woman per household for domestic violence questions). The difference lies in the response rates, which given that they are more than 90% in Peru and do not differ much by area, do not affect the results. I would just use the individual woman's weight, v005 for the domestic violence questions.
Shea