TEXAS INSTRUMENTS UC282-1 UC282-2 UC282-3 UC282-ADJ UC382-1 UC382-2 UC382-3 UC382-ADJ handbook

The document introduces the features and characteristics of the UC382 low-dropout linear regulator, including fast transient response, 10-mA to 3-A load current, short circuit protection, maximum dropout of 450-mV, separate bias and VIN pins, available in adjustable or fixed-output voltages, 5-pin package allows Kelvin sensing of load voltage and reverse current protection.


TEXAS INSTRUMENTS UC282-1 UC282-2 UC282-3 UC282-ADJ UC382-1 UC382-2 UC382-3 UC382-ADJ handbook - cover page
Brand
Texas Instruments
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
13
File format
PDF
File size
261 KB
Published
08 August, 2012
Updated
30 September, 2023
Models
UC2823, UC3823
MD5 checksum
F278CE54E1B2325071E5D3D4A037AF5C

About this manual

The document describes the UC282 and UC382 families of Fast LDO Linear Regulators, which provide a quick response to load changes. These devices are available in fixed-output voltages (1.5V, 2.1V, 2.5V) or adjustable versions, featuring separate bias and input pins for improved performance.

What's inside

  • Description
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Pin Descriptions
  • Application Information

Specifications

Output Voltage (Fixed)1.5 V, 2.1 V, or 2.5 V
Adjustable Output Default1.2 V
Maximum Dropout Voltage (VIN)450 mV at 3 A
Load Regulation0.5 to 4 mV
Short Circuit Current Limit3.3 to 4.5 A

Frequently asked questions

What is the minimum load current?

The minimum load current required for operation is 10 mA.

Can multiple regulators be used in parallel?

Yes, two or more UC382 units may be used in parallel, though this degrades transient response.

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