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CMPWR161R Datasheet(PDF) 2 Page - California Micro Devices Corp |
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CMPWR161R Datasheet(HTML) 2 Page - California Micro Devices Corp |
2 / 8 page © 2004 California Micro Devices Corp. All rights reserved. 2 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 01/14/04 CMPWR161 Ordering Information Note 1: Parts are shipped in Tape & Reel form unless otherwise specified. PIN DESCRIPTIONS PIN NAME DESCRIPTION 1VIN Positive input voltage for the regulator. The internal loading on this input is typically 300 µA when- ever the regulator is enabled and less than 1 µA when the regulator is disabled. If this input is greater than 2 inches from the main input filter, a 1 µF ceramic capacitor is recommended for addi- tional filtering. 2 GND The negative reference for all voltages. 3 EN Enable/shutdown input. When EN is asserted high (VEN ≥ 2V), the regulator is enabled. When EN is asserted low, the regulator is shutdown (VOUT=0V). This input is compatible with CMOS logic. 4 BYP Reference bypass pin. This input is used to connect an external capacitor (CBYP) for noise reduc- tion and to maximize power supply ripple rejection. A 10nF capacitor is recommended for this func- tion. 5VOUT The regulated voltage output. An output capacitor of 10 µF is recommended to provide the neces- sary phase compensation for the regulator and also minimize any transient disturbances. PACKAGE / PINOUT DIAGRAM Note: This drawing is not to scale. 5-pin SOT23 VIN GND EN VOUT BYP 1 2 5 3 4 Top View PART NUMBERING INFORMATION Pins Package Standard Finish Lead-free Finish Ordering Part Number1 Part Marking Ordering Part Number1 Part Marking 5 SOT23-5 CMPWR161Y 161Y CMPWR161R 161R |
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