nrf52840 + Zephyr + Blinky: Sleep Power consumption

Hello

I have the blinky example (ncs/zephyr/samples/basic/blinky) running on a minimal nRF52840 holyiot module. I changed the sleep time to 5000ms.

When measuring the 3.3V current, I see a current of ~150uA while the LED is off. Is this normal? Shouldn't this get way lower?

My prj.conf:

CONFIG_GPIO=y

CONFIG_SERIAL=n
CONFIG_LOG=n
CONFIG_CONSOLE=n
CONFIG_UART_CONSOLE=n
CONFIG_RTT_CONSOLE=n
CONFIG_USE_SEGGER_RTT=n
CONFIG_PRINTK=n

CONFIG_PM_DEVICE=y

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