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參數(shù)資料
| 型號(hào)： | CM3102-12SO |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | Micropower 1.2V/150mA CMOS LDO Regulator with Power Good |
| 中文描述： | 微1.2V/150mA的CMOS LDO穩(wěn)壓器的電源良好 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 236K |
| 代理商： | CM3102-12SO |
2004 California Micro Devices Corp. All rights reserved.
01/20/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
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Tel: 408.263.3214
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Fax: 408.263.7846
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www.calmicro.com
1
CM3102
Micropower 1.2V/150mA CMOS LDO Regulator
with Power Good
Features
1-5ms Power Good (PG) control signal
Regulated 1.2V output
150mA output current
Low quiescent operating current (90
μ
A typical)
"Zero" disable mode current
Foldback current limiting protection
Thermal shutdown protection
Stable with low-ESR capacitors
SOT23-5 package
"MIC5258" pinout
Lead-free version available
Applications
Pentium
4 Motherboards
Processor Power-up Sequencing
Desktop, Notebook and Palmtop Computers
PC Cards
Peripheral Adapter Cards
Product Description
The CM3102 is a low quiescent current (90uA) regula-
tor that delivers up to 150mA of load current at a fixed
1.2V output. In addition, the CM3102 features a Power
Good output signal (PG) that goes open drain 1 to 5
ms after the output voltage has exceeded typically 93%
of its nominal level.
A dedicated control input (EN, Active High) has been
included for power-up sequencing flexibility. When this
input is taken low, the regulator is disabled. In this
state, the supply current will drop to near zero. An inter-
nal discharge MOSFET resistance (500
) will force the
output to ground whenever the device has been shut-
down.
The CM3102 is fully protected, offering both overload
current limiting and high temperature thermal shut-
down.
Available in a tiny SOT23 package, the device is ideal
for space critical applications.
The CM3102 is available with optional lead-free finish-
ing.
Simplified Electrical Schematic
Pentium
4 Motherboard
Application Circuit
EN
+
IN
GND
OUT
-
V
1.2V
2.5ms
-
+
V
REF
X 0.93
1X
PG
1.2V/150mA
Typical Application Circuit
IN
EN
OUT
GND
.1
μ
F*
.1
μ
F
VCCVID
VCC3
CM3102-12Sx
10
PG
PG
1.2V
* Input capacitor optional.
IN
EN
OUT
GND
1
μ
F*
1
μ
F
V
OUT
GND
CM3102-12Sx
PG
47k
V
IN
PG
EN
* Input capacitor optional.
相關(guān)PDF資料 |
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| CM3102-12ST | Micropower 1.2V/150mA CMOS LDO Regulator with Power Good |
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| CM3106-12SB | 2 Amp Source/ Sink Bus Termination Regulator |
| CM3106-12SH | 2 Amp Source/ Sink Bus Termination Regulator |
| CM3106-12SM | 2 Amp Source/ Sink Bus Termination Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CM3102-12ST | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Micropower 1.2V/150mA CMOS LDO Regulator with Power Good |
| CM3103 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR REGULATOR Vaux SWITCH |
| CM3103-01SA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR REGULATOR Vaux SWITCH |
| CM3103-01SF | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR REGULATOR Vaux SWITCH |
| CM3103SA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR REGULATOR Vaux SWITCH |
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