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參數資料
| 型號： | CMPWR330SAR |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | 400mA SMARTOR Dual Regulator with V switch |
| 中文描述： | 400mA的SMARTOR雙調節開關的V |
| 文件頁數： | 1/8頁 |
| 文件大小： | 132K |
| 代理商： | CMPWR330SAR |
CALIFORNIA MICRO DEVICES
3/6/2001
1
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
CMPWR330
2001 California Micro Devices Corp. All rights reserved. Smart OR is a trademark of California Micro Devices.
400mA SmartOR
TM
Dual Regulator with V
AUX
Switch
Features
Continuous 3.3V output from three inputs
Complete power management solution
V
CC
, V
SBY
regulator supplies 400mA output
Built-in hysteresis when selecting input supplies
Integrated switch has very low R
DS(ON)
0.25
(TYP)
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
switch capable of delivering up to
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
CC
, V
SBY
, and V
AUX
.
When V
(5V) or V
is present, the device automati-
cally enables the regulator and produces a stable 3.3V
output at V
OUT
.
Applications
PCI adapter cards with Wake-On-LAN
Network Interface Cards (NICs)
Multiple power systems
Systems with standby capabilities
C1680101
Pin Diagram
When only V
(3.3V) is present, the device provides a
low impedance direct connection (0.25
TYP) from V
AUX
to V
OUT
.
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.
PIN DIAGRAM AND ELECTRICAL SCHEMATIC
GND
Top View
CMPWR330
8-Pin Power SOIC
V
AUX
5
4
GND
V
OUT
6
3
GND
V
CC
7
2
GND
V
SBY
8
1
STANDARD PART ORDERING INFORMATION
Ordering Part Number
Style
Tubes
Power SOIC
CMPWR330SA/T
Package
Pins
8
Tape & Reel
CMPWR330SA/R
Part Marking
CMPWR330SA
Typical Application Circuit
V
CC
V
CC
V
AUX
V
SBY
GND
GND
V
OUT
V
3.3V
400mA
CMPWR330
V
AUX
3.3V
10μF
+
–
+
–
1μF
V
SBY
GND
+
–
1μF
5V
5V
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CMPWR330SAT | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR Dual Regulator with V switch |
| CMPWR330SF | 功能描述:低壓差穩壓器 - LDO Dual w/ Vaux Drive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| CMPZ4099 | 制造商:CENTRAL 制造商全稱:Central Semiconductor Corp 功能描述:SURFACE MOUNT LOW NOISE SILICON ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW |
| CMPZ4099_10 | 制造商:CENTRAL 制造商全稱:Central Semiconductor Corp 功能描述:SURFACE MOUNT LOW NOISE SILICON ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW |
| CMPZ4100 | 制造商:CENTRAL 制造商全稱:Central Semiconductor Corp 功能描述:SURFACE MOUNT LOW NOISE SILICON ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW |
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