CMPWR330SA CALMIRCO [California Micro Devices Corp], CMPWR330SA Datasheet

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CMPWR330SA

Manufacturer Part Number
CMPWR330SA
Description
400mA SMARTOR Dual Regulator with V switch?
Manufacturer
CALMIRCO [California Micro Devices Corp]
Datasheet
1.CMPWR330SA.pdf (8 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
CMPWR330SA
Manufacturer:
CMD
Quantity:
20 000
©2001 California Micro Devices Corp. All rights reserved. Smart OR™ is a trademark of California Micro Devices.
3/6/2001
Features
• Continuous 3.3V output from three inputs
• Complete power management solution
• V
• Built-in hysteresis when selecting input supplies
• Integrated switch has very low R
• Foldback current limiting protection
• Thermal overload shutdown protection
• 8-pin power SOIC package
Product Description
The CMPWR330 is a dual input regulator with a fully
integrated V
400mA continuously at 3.3V. The output power is
provided from three independent input voltage sources
on a prioritized basis. Power is always taken in priority
using the following order V
When V
cally enables the regulator and produces a stable 3.3V
output at V
215 Topaz Street, Milpitas, California 95035 
CC
CALIFORNIA MICRO DEVICES
, V
CC
SBY
Pins
(5V) or V
OUT
8
regulator supplies 400mA output
V
V
V
AUX
V
Package
.
OUT
SBY
AUX
CC
400mA SmartOR
switch capable of delivering up to
8-Pin Power SOIC
SBY
Pin Diagram
CMPWR330
1
2
3
4
Top View
is present, the device automati-
CC
Power SOIC
, V
Style
PIN DIAGRAM AND ELECTRICAL SCHEMATIC
8
7
6
5
SBY
STANDARD PART ORDERING INFORMATION
, and V
DS(ON)
GND
GND
GND
GND
AUX
0.25Ω (TYP)
.
TM
CMPWR330SA/T
Dual Regulator with V
Tel: (408) 263-3214
Tubes
Ordering Part Number
Applications
• PCI adapter cards with Wake-On-LAN
• Network Interface Cards (NICs)
• Multiple power systems
• Systems with standby capabilities
When only V
low impedance direct connection (0.25Ω TYP) from V
to V
All the necessary control circuitry needed to provide a
smooth and automatic transition between all three
supplies has been incorporated. This allows the V
input supply to be dynamically switched without loss of
output voltage.
V
V
SBY
OUT
5V
CC
5V
.
+
–
+
–
GND
CMPWR330SA/R
Typical Application Circuit
Fax: (408) 263-7846
1µF
1µF
AUX
Tape & Reel
(3.3V) is present, the device provides a
+
–
V
3.3V
V
V
V
AUX
CMPWR330
SBY
CC
AUX
GND
AUX
V
OUT
Switch
10µF
CMPWR330SA
400mA
www.calmicro.com
Part Marking
V
CMPWR330
3.3V
OUT
GND
CC
AUX
C1680101
1

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CMPWR330SA Summary of contents

Page 1

... Switch AUX (3.3V) is present, the device provides a AUX . + 1µF – 5V CMPWR330 GND V SBY V OUT 3. 400mA AUX OUT 1µF – 5V GND + V AUX 10µF 3.3V – Typical Application Circuit Tape & Reel Part Marking CMPWR330SA/R CMPWR330SA Fax: (408) 263-7846 www.calmicro.com AUX CC GND C1680101 1 ...

Page 2

CALIFORNIA MICRO DEVICES ABSOLUTE MAXIMUM RATINGS Parameter ESD Protection (HBM Input Voltage CC , SBY V Input Voltage AUX Temperature: Storage Operating Ambient Operating Junction Power Dissipation: (Note 1) OPERATING CONDITIONS Parameter SBY V ...

Page 3

CALIFORNIA MICRO DEVICES Interface Signals positive input supply for the voltage regulator. CC Whenever this supply voltage exceeds the V (4.4V), it will immediately be given priority and be used to power the regulator output. If this ...

Page 4

CALIFORNIA MICRO DEVICES Typical DC Characteristics (nominal conditions unless specified otherwise) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Input Voltage (V) CC Figure 1. V Supply Current vs Voltage CC 0.5 0.4 ...

Page 5

CALIFORNIA MICRO DEVICES Typical DC Characteristics 3.45 3.40 3.35 3.30 3.25 3.20 3.15 0 100 200 Load Current (mA) Figure 7. Load Regulation (5V Supply) 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 100 200 Load Current (mA) Figure 9. ...

Page 6

CALIFORNIA MICRO DEVICES Typical Transient Characteristics (Supply source resistance set to 0.2Ω) Tek Run: 25kS/s Sample V CC Ch1 1V 1V Figure 11. V Cold Start (Load = 400mA) CC Tek Run: 25kS/s Sample V SYB Ch1 1V 1V Figure ...

Page 7

CALIFORNIA MICRO DEVICES Typical Transient Characteristics (V Tek Run: 2.5MS/s Sample V (offset = 5V) SBY 3 V (offset = 4.5V (offset = 3.3V) OUT Ch1 100mV 100mV Ch3 100mV Figure 17. V Power ...

Page 8

CALIFORNIA MICRO DEVICES Typical Thermal Characteristics The overall junction to ambient thermal resistance (θ for device power dissipation (P two paths in series. The first path is the junction to the case (θ ) which is defined by the package ...

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