CMPWR161R 查看數據表（PDF） - California Micro Devices Corp
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CMPWR161R Datasheet PDF : 8 Pages
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PACKAGE / PINOUT DIAGRAM
Top View
VIN
1
5
GND
2
VOUT
Note: This drawing is not to scale.
EN
3
4
BYP
5-pin SOT23
CMPWR161
PIN DESCRIPTIONS
PIN
NAME DESCRIPTION
1
VIN Positive input voltage for the regulator. The internal loading on this input is typically 300µA when-
ever the regulator is enabled and less than 1µA when the regulator is disabled. If this input is
greater than 2 inches from the main input filter, a 1µF 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.
5
VOUT The regulated voltage output. An output capacitor of 10µF is recommended to provide the neces-
sary phase compensation for the regulator and also minimize any transient disturbances.
Ordering Information
PART NUMBERING INFORMATION
Pins
5
Package
SOT23-5
Standard Finish
Ordering Part
Number1
Part Marking
CMPWR161Y
161Y
Lead-free Finish
Ordering Part
Number1
Part Marking
CMPWR161R
161R
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 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
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