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IRU1205 Datasheet(PDF) 1 Page - International Rectifier |
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IRU1205 Datasheet(HTML) 1 Page - International Rectifier |
1 / 6 page IRU1205 IRU1205-18 / IRU1205-25 / IRU1205-28 IRU1205-30 / IRU1205-33 / IRU1205-36 1 Rev. 2.3 07/16/02 www.irf.com DESCRIPTION The IRU1205 device is an efficient linear voltage regula- tor with better than 1% initial voltage accuracy, very low dropout voltage and very low ground current designed especially for hand held, battery powered applications. Other features of the device are: TTL compatible enable/ shutdown control input, current limiting and thermal shut- down. The IRU1205 is available in fixed and adjustable output voltage versions in a small SOT-23 5-Pin package. 300mA ULTRA LOW DROPOUT POSITIVE ADJUSTABLE AND FIXED REGULATORS SOT-23 Package Stable with 2.2 mF Ceramic Capacitor 1% Voltage Reference Accuracy Only 270mV Dropout at 300mA and 170mV Dropout at 150mA 5 mA Quiescent Current in Shutdown Current Limit and Thermal Shutdown Logic Input Enable Pin TYPICAL APPLICATION Figure 1 - Typical application of the IRU1205 ajustable voltage regulator. Figure 2 - Typical application of the IRU1205-25 fixed voltage regulator. Data Sheet No. PD94133 APPLICATIONS Laptop, Notebook & Palmtop computers Battery Powered Equipments PCMCIA Vcc & Vpp Regulator Consumer Electronics High Efficiency Linear Power Supplies FEATURES PACKAGE ORDER INFORMATION TJ (°C) 5-PIN SOT-23 OUTPUT SOT-23 (L5) MARKING VOLTAGE 0 To 125 IRU1205CL AT00 Adj 0 To 125 IRU1205-18CL AT18 1.8V 0 To 125 IRU1205-25CL AT25 2.5V 0 To 125 IRU1205-28CL AT28 2.8V 0 To 125 IRU1205-30CL AT30 3.0V 0 To 125 IRU1205-33CL AT33 3.3V 0 To 125 IRU1205-36CL AT36 3.6V VIN VOUT R1 R2 C1 2.2uF C2 2.2uF SD Enable 5 3 4 VOUT Adj 2 1 VIN Gnd En 3.3V 2.5V C3 1000pF C1 2.2uF C2 2.2uF SD Enable 5 3 4 VOUT CBYP 2 1 VIN Gnd En Vo = 1.25 3 1+ R1 R2 ( ) |
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