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AP139-33TW Datasheet(PDF) 1 Page - Anachip Corp |
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AP139-33TW Datasheet(HTML) 1 Page - Anachip Corp |
1 / 8 page AP139 300mA Low-Noise CMOS LDO This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev.1.1 Jun 02, 2006 1/8 Features - Very low dropout voltage - Low current consumption: Typ.45µA, Max. 60µA - Output voltage: 1.5V,1.8V,2.0V, 2.5V, 2.8V, 3.0V 3.3V, and 3.5V - Guaranteed 300mA output - Input range up to 7.0V - Thermal shutdown - Current limiting - Stability with low ESR capacitors - Low temperature coefficient - Pb-free package: SOT23-5L,TSOT23-5L Applications - Battery-powered devices - Personal communication devices - Home electric/electronic appliances - PC peripherals General Descriptions The AP139 is a positive voltage linear regulator utilizing CMOS technology. The features that include low quiescent current (45µA typ.), low dropout voltage, and high output voltage accuracy, make it ideal for battery applications. EN input connected to CMOS has low bias current. The space-saving SOT23-5L and TSOT23-5L package is attractive for “Pocket” and “Hand Held” applications. This rugged device has both thermal shutdown, and current limit protections to prevent device failure under the “Worst” operating conditions. In a low noise, regulated supply application, a 10nF capacitor is necessary to be placed in between Bypass and Ground. The AP139 is stable with a low ESR output capacitor of 1.0µF or greater. Pin Assignments 1 3 2 5 4 BYP V IN EN GND V OUT AP139 SOT23-5/TSOT23-5 (Top View) Pin Descriptions Pin Name Pin No. Function VIN 1 Power Supply GND 2 Ground EN 3 Enable Pin BYP 4 Bypass Signal Pin VOUT 5 Output Ordering Information AP139 XX X X W : SOT23-5L TW:TSOT23-5L Output voltage Package 15: 1.5V 18: 1.8V 20: 2.0V 25: 2.5V 28: 2.8V 30: 3.0V 33: 3.3V 35: 3.5V Blank: Tube A: Taping Packing |
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