The UC385 is a low dropout linear regulator providing a quick response to fast load changes. Combined with
its precision onboard reference, the UC385 excels at driving GTL and BTL buses. Due to its fast response to
load transients, the total capacitance required to decouple the regulator’s output can be significantly decreased
when compared to standard LDO linear regulators.
Dropout voltage (VIN to VOUT) is only 490 mV maximum and 350 mV typical at 5-A load (0°C to 100°C).
The onboard bandgap reference is stable with temperature and scaled for a 1.2 V input to the internal power
amplifier. The UC385 is available in fixed output voltages of 1.5 V, 2.1 V, or 2.5 V. The output voltage of the
adjustable version can be set with two external resistors. If the external resistors are omitted, the output voltage
defaults to 1.2 V. UC285T-1
UC285T-1G3
UC285T-3
UC285T-3G3
UC285T-ADJ
UC285T-ADJG3
UC285TD-1
UC285TD-2
UC285TD-3
UC285TD-ADJ
UC285TDKTTT-1
UC285TDKTTT-1G3
UC285TDKTTT-3
UC285TDKTTT-3G3
UC285TDKTTT-ADJ
UC285TDKTTT-ADJG3
UC385T-1
UC385T-1G3
UC385T-2
UC385T-2G3
UC385T-3
UC385T-3G3
UC385T-ADJ
UC385T-ADJG3
UC385TD-1
UC385TD-2
UC385TD-3
UC385TD-ADJ
UC385TDKTTT-1
UC385TDKTTT-1G3
UC385TDKTTT-3
UC385TDKTTT-3G3
UC385TDKTTT-ADJ
UC385TDKTTT-ADJG3
UC385TDTR-1
UC385TDTR-1G3
UC385TDTR-3
UC385TDTR-3G3
UC385TDTR-ADJ
UC385TDTR-ADJE3
UC385TDTR-ADJG3
UC385TH-ADJ
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