MAX UNIT Minimum input voltage for start-up R L 120 Ω 0.9 1.2 V Input voltage range, after start-up (TPS61020, 0.9 6.5 V VI TPS61024, TPS61025, TPS61027, TPS61028) Input voltage range, after start-up (TPS61026, TPS61029) 0.9 5.5 V TPS61020, TPS61028 and TPS61029 output VO voltage range 1.8 5.5 V V TPS61020