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US1206

UNISEM
Part Number US1206
Manufacturer UNISEM
Description 1A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE & FIXED REGULATOR
Published Apr 16, 2005
Detailed Description US1206/1207/1208/1209 1A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE & FIXED REGULATOR PRELIMINARY DATASHEET FEATURES Low Dro...
Datasheet PDF File US1206 PDF File

US1206
US1206

Overview
US1206/1207/1208/1209 1A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE & FIXED REGULATOR PRELIMINARY DATASHEET 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 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 shutdown capability 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.
APPLICATIONS 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 TYPICAL APPLICATION Vout 3 2 1 C2 Vout US1206-XX Gnd Vin 1206app1-1.
0 Vin C1 PACKAGE ORDER INFORMATION Tj (°C) 0 TO 125 0 TO 125 0 TO 125 0 TO 125 0 TO 125 0 TO 125 0 TO 125 0 TO 125 Rev.
1.
1 6/26/00 3 LEAD TO252 US1206-18CD US1206-25CD US1206-33CD NA NA NA NA NA 5 LEAD TO263 US1206-18CY US1206-25CY US1206-33CY US1207-18CM US1207-25CM US1207-33CM US1208CM US1209CM 8 PIN PLASTIC SOIC Power US1206-18CM US1206-25CM US1206-33CM US1207CS US1207CS US1207CS US1208CS US1209CS Voltage 1.
8V 2.
5V 3.
3V 1.
8V 2.
5V 3.
3V Adj Adj Pin Functions Vin, Vout, GND Vin, Vout, GND Vin, Vout, GND Vin, Vout, GND, Enable, Flag Vin, Vout, GND, Enable, Flag Vin, Vout, G...


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