When using the PMP30942 schemeatic circuit to achieve -45V, the TPS57160 can not work. And I measured the voltage about EN pin is 300mV and the VENSE pin is 800mV, so the VOUT is just hundred mV. What can I do to achieve -45V?
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When using the PMP30942 schemeatic circuit to achieve -45V, the TPS57160 can not work. And I measured the voltage about EN pin is 300mV and the VENSE pin is 800mV, so the VOUT is just hundred mV. What can I do to achieve -45V?