Fast Transient Response 5 Ampere Low Dropout Regulator

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 dri 1283 ving 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 (0C to 100C).
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.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
UC3851N Texas Instruments Programmable Off-Line PWM Controller 18-PDIP 0 to 70
UC3851J Texas Instruments 0.2A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP18, CERAMIC, DIP-18
UC3851L Texas Instruments 0.2A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, CERAMIC, LCC-20
UC3851NG4 Texas Instruments 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDIP18, GREEN, PLASTIC, DIP-18
UC3851Q Texas Instruments 0.2A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20
UC3851QTR Texas Instruments 0.2A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20
UC3851DW Texas Instruments Programmable Off-Line PWM Controller 18-SOIC 0 to 70
UC3851DWTR Texas Instruments Programmable Off-Line PWM Controller 18-SOIC 0 to 70
UC3851DWG4 Texas Instruments 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO18, GREEN, SOIC-18
UC3851DWTRG4 Texas Instruments 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO18, GREEN, SOIC-18
UC385-1 's PackagesUC385-1 's pdf datasheet
UC385T-1 TO-220
UC385T-1G3 TO-220
UC385TD-1 D2PAK
UC385TDKTTT-1 D2PAK
UC385TDKTTT-1G3 D2PAK
UC385TDTR-1 D2PAK
UC385TDTR-1G3 D2PAK




UC385-1 Pinout, Pinouts
UC385-1 pinout,Pin out
This is one package pinout of UC385-1,If you need more pinouts please download UC385-1's pdf datasheet.

UC385-1 Application circuits
UC385-1 circuits
This is one application circuit of UC385-1,If you need more circuits,please download UC385-1's pdf datasheet.


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UC385-1 Pb-Free UC385-1 Cross Reference UC385-1 Schematic UC385-1 Distributor
UC385-1 Application Notes UC385-1 RoHS UC385-1 Circuits UC385-1 footprint