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參數資料
| 型號： | CMPWR101SR |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | RECTIFIER STANDARD SINGLE 3A 50V 50 125A-ifsm 5uA-ir 1.1V-vf DO-201AD 1.2K/REEL-13 |
| 中文描述： | 250mA的SMARTOR與V開關穩壓器 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 97K |
| 代理商： | CMPWR101SR |
CALIFORNIA MICRO DEVICES
2001 California Micro Devices Corp. All rights reserved. SmartOR is a trademark of California Micro Devices Corporation.
3/6/2001
1
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
CMPWR101
250mA 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
250mA output maximum load current
Fully integrated V
AUX
switch
Overload current protection
Short circuit current protection
Operates from either V
CC
or V
AUX
8-pin SOIC package
Product Description
The California Micro Devices’ SmartOR
TM
CMPWR101 is
a low dropout regulator that delivers up to 250mA of load
current at a fixed 3.3V output. An internal threshold level
(typically 4.1V) is used to prevent the regulator from
being operated below dropout voltage. The device
continuously monitors the input supply and will automati-
cally disable the regulator when V
falls below the
threshold level. When the regulator is disabled, a low
impedance, fully integrated switch is enabled which
allows the output to be directly powered from an auxil-
iary 3.3V supply.
Applications
PCI adapter cards
Network Interface Cards (NIC’s)
Dual power systems
Systems with standby capabilities
C1660101
Pin Diagram
When V
is restored to a level above the select thresh-
old, the low impedance 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
to be dynamically
switched without loss of output voltage.
An output logic signal, DRIVE, is active LOW whenever
the internal regulator is disabled.
PIN DIAGRAM AND APPLICATION CIRCUIT
STANDARD PART ORDERING INFORMATION
Ordering Part Number
Style
Tubes
SOIC
CMPWR101S/T
Package
Pins
8
Tape & Reel
CMPWR101S/R
Part Marking
CMPWR101S
NC
Top View
CMPWR101
8-Pin SOIC
GND
5
4
V
OUT
V
AUX
6
3
V
OUT
V
AUX
7
2
DRIVE
V
CC
8
1
Typical Application Circuit
V
CC
V
CC
5V
V
AUX
GND
GND
DRIVE
V
OUT
V
3.3V
250mA
CMPWR101
V
AUX
3.3V
4μF
+
–
+
–
C
IN
1μF
C
OUT
+
+
相關PDF資料 |
PDF描述 |
|---|---|
| CMPWR101ST | RECTIFIER STANDARD SINGLE 3A 50V 50 125A-ifsm 5uA-ir 1.1V-vf DO-201AD 500/BULK |
| CMPWR130 | 300mA SMARTOR Regulator with V Drive |
| CMPWR130S | 300mA SMARTOR Regulator with V Drive |
| CMPWR130SR | 300mA SMARTOR Regulator with V Drive |
| CMPWR130ST | 300mA SMARTOR Regulator with V Drive |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CMPWR101ST | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:250mA SMARTOR Regulator with V switch |
| CMPWR120S/R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CMPWR120S/T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CMPWR130 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:300mA SMARTOR Regulator with V Drive |
| CMPWR130S | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:300mA SMARTOR Regulator with V Drive |
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