Rise time tests for NiMH voltage to OLED voltage DC/DC converter.
Tests done on MiniBLE v2 breakout board.
Yellow trace: OLED voltage.
Blue trace: Voltage at DC/DC converter input.
The serial resistance of the 1.XXV cables is causing the Vin voltage drop during VOLED rise.

1.00V, 90ms rise

1.05V, 30ms rise

1.1V, 18ms rise

1.2V, 7ms rise

1.3V, 5ms rise

1.4V, 4ms rise

1.5V, 4ms rise

1.00V Vin rise

1.05V Vin rise

1.1V Vin rise

1.2V Vin rise