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IRU1206-25CD Datasheet(PDF) 1 Page - International Rectifier |
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IRU1206-25CD Datasheet(HTML) 1 Page - International Rectifier |
1 / 12 page IRU1206 / IRU1207 / IRU1208 / IRU1209 1 Rev. 2.3 08/02/02 www.irf.com TYPICAL APPLICATION DESCRIPTION The IRU1206 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 only available and the dropout voltage is less than 1V, exceeding the minimum dropout characteristics of NPN/ PNP hybrid regulators. One common application of these regulators is where input is 3.3V and a 2.5V output is needed. Besides the low dropout of less than 0.5V, other fea- tures of the family of the parts are: micro-power shut- down capability and output UVLO detection where Flag pin is switched low when output is below 5% of its nomi- nal point. 1A VERY LOW DROPOUT POSITIVE FIXED AND ADJUSTABLE REGULATORS PACKAGE ORDER INFORMATION TJ (°C) 2-PIN TO-252 3-PIN 8-PIN PLASTIC VOLTAGE PIN FUNCTIONS (D-PAK) SOT-223 (Y) SOIC (S) 0 To 125 IRU1206-18CD IRU1206-18CY NA 1.8V VIN, VOUT, Gnd 0 To 125 IRU1206-25CD IRU1206-25CY NA 2.5V VIN, VOUT, Gnd 0 To 125 IRU1206-33CD IRU1206-33CY NA 3.3V VIN, VOUT, Gnd 0 To 125 NA NA IRU1207-18CS 1.8V VIN, VOUT, Gnd, Enable, Flag 0 To 125 NA NA IRU1207-25CS 2.5V VIN, VOUT, Gnd, Enable, Flag 0 To 125 NA NA IRU1207-33CS 3.3V VIN, VOUT, Gnd, Enable, Flag 0 To 125 NA NA IRU1208CS Adj VIN, VOUT, Gnd, Flag, Adj 0 To 125 NA NA IRU1209CS Adj VIN, VOUT, Gnd, Enable, Adj Data Sheet No. PD94134 Figure 1 - Typical application of the 1206-XX in a 3-Pin SOT-223 package. Low Dropout Voltage (500mV at 1A) 1% Voltage Reference Accuracy Low Ground Current 1 mA Maximum Quiescent Current in Shutdown (IRU1207, IRU1208) Fast Transient Response Current Limit and Thermal Shutdown Error Flag Signal for Output out of Regulation (IRU1207, IRU1208) FEATURES 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 Switch Mode Power Supply (SMPS) APPLICATIONS VIN VOUT C1 C2 IRU1206- XX 3 1 2 VOUT Gnd VIN |
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Similar Description - IRU1206-25CD |
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