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US1209, US1209CS, US1230

Table of contents:
Info of US1209
Info of US1209CS
Info of US1230

US1209, US1209CS, US1230 Selling Leads, Datasheet

MFG:UNISEM Package Cooled:176 D/C:00+

US1209, US1209CS, US1230 Datasheet download

Five Points

Part Number: US1209

MFG: UNISEM

Package Cooled: 176

D/C: 00+

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US1209 General Description

The US1206 family of devices are ultra low dropout 1A regulators using PNP transistor as the pass element. These products are ideal when a single input supply is available only and the dropout voltage is less than 1V, exceeding the minimum dropout characteristics of NPN/ PNP hybrid regulators. One common application of these regulators are where input is 3.3V and a 2.5V output is needed.

Besides the low dropout of less than 0.5V, other features of the family of the parts are; micropower shutdowncapability and output UVLO detection where Flag pin is switched low when output is below 5% of its nominal point. The US1206-XX in SOT223 is pin compatible with MIC39100-XX, US1207 and 1209 in SO8 power package are compatible with MIC39101 and 39102 respectively

US1209 Maximum Ratings

Input Voltage (Vin) ............................................................. 12V
Enable Input Voltage ........................................................... 12V
Storage Temperature Range ............................ -65°C TO 150°C
Operating Junction Temperature Range ...............0°C TO 135°C

US1209 Features

·Low Droput Voltage (500mV at 1A)
·1% Voltage Reference Accuracy
·Low Ground Current
·10uA Quiescent Current in Shutdown (US1207,1208)
·Fast Transient Response
·Current Limit and Thermal Shutdown
·Error Flag Signal for Output out of Regulation (US1207,1209)
·Pin Compatible with MIC39100/101/102 series

US1209 Typical Application

·2.5V Supply from 3.3V Input for the new generation of Logic ICs
·Computer Mother Board, Add on Cards
·High Efficiency Post Regulator in SMPS

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