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CMPWR130R

Description
Fixed Positive LDO Regulator, 3.3V, CMOS, PDSO8, LEAD FREE, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size438KB,8 Pages
ManufacturerCalifornia Micro Devices
Environmental Compliance
Download Datasheet Parametric View All

CMPWR130R Overview

Fixed Positive LDO Regulator, 3.3V, CMOS, PDSO8, LEAD FREE, SOIC-8

CMPWR130R Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerCalifornia Micro Devices
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
AdjustabilityFIXED
Nominal dropback voltage 11.2 V
Maximum absolute input voltage6 V
Maximum input voltage5.5 V
Minimum input voltage4.5 V
JESD-30 codeR-PDSO-G8
length4.9 mm
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals8
Working temperatureTJ-Max125 °C
Working temperature TJ-Min
Maximum output current 10.3 A
Maximum output voltage 13.5 V
Minimum output voltage 13.1 V
Nominal output voltage 13.3 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.75 mm
surface mountYES
technologyCMOS
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance6.06%
width3.995 mm
CMPWR130
300mA SmartOR
TM
Regulator with V
AUX
Switch
Features
Automatic detection of V
CC
input supply
Glitch-free output during supply transitions
Built-in hysteresis during supply selection
300mA output maximum load current
Overload current protection
Short circuit current protection
Operates from either V
CC
or V
OUT
8-pin SOIC package
Lead-free version available
Product Description
The SmartOR
TM
CMPWR130 is a low dropout regula-
tor that delivers up to 300mA of load current at a fixed
3.3V output. An internal threshold level (TYP 4.1V) is
used to prevent the regulator from being operated
below dropout voltage. The device continuously moni-
tors the input supply and will automatically disable the
regulator when V
CC
falls below the threshold level.
When the regulator is disabled, the DRIVE control sig-
nal (Active Low) is enabled, which allows an external
PMOS switch to power the load from an auxiliary 3.3V
supply.
When V
CC
is restored to a level above the select
threshold, the control signal for the external PMOS
switch is disabled and the regulator is once again
enabled.
All the necessary control circuitry needed to provide a
smooth and automatic transition between the supplies
has been incorporated. This allows V
CC
to be dynami-
cally switched without loss of output voltage.
The CMPWR130 is housed in a 8-pin SOIC package
and is available with optional lead-free finishing.
Applications
PCI adapter cards
Network Interface Cards (NICs)
Dual power systems
Systems with standby capabilities
Typical Application Circuit
MGSF1PO2ELT1
3.3V
Simplified Electrical Schematic
V
AUX
V
CC
CMPWR130
V
CC
5V
+
V
DESELECT
DRIVE
V
CC
DRIVE
V
OUT
-
4.1V
+
V
REF
3.3V
ENABLE
+
C
IN
1
µ
F
V
OUT
GND
+
C
OUT
4
µ
F
3.3V
300mA
GND
-
V
OUT
3.3V
300mA
GND
© 2004 California Micro Devices Corp. All rights reserved.
01/14/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L
Tel: 408.263.3214
L
Fax: 408.263.7846
L
www.calmicro.com
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