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參數(shù)資料
| 型號(hào)： | CM3003 |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| 中文描述： | 1.5安培雙模式的CMOS低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 191K |
| 代理商： | CM3003 |
2004 California Micro Devices Corp. All rights reserved.
01/15/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L
Tel: 408.263.3214
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Fax: 408.263.7846
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www.calmicro.com
1
CM3003
1.5 Amp Dual Mode Low Dropout CMOS Regulator
Features
Adjustable Output or Internally Fixed
375mV dropout at 1.5A load current
Operates from 2.2V to 5.5V input supply
Low Ground current (330
μ
A at 1.5A Load)
Minimal output capacitance required
Current Limit Protection
Thermal Overload Protection
Reverse Voltage Protection
Thermally enhanced 8-pin SOIC package
Lead-free versions available
Applications
Low Voltage "Core" processors
Graphics Cards
Gigabit NIC Cards
PC Motherboards
Notebooks
Product Description
The CM3003 is a family of very low dropout regulators
that offers dual mode operation. When the Adjust con-
trol pin (ADJ) is grounded, these devices automatically
enter a fixed voltage mode and deliver either a 1.8V or
2.5V output capable of supplying 1.5A, depending on
the device utilized. When the Adjust pin is connected to
an external resistor network the device automatically
operates as an adjustable regulator. The Adjust pin can
also be tied directly to the OUT pin which configures
the CM3003 as a 1.2V regulator.
An Enable control pin (EN) allows the device to be
placed in a low current mode.
The CM3003 devices are fully protected, offering both
overload current limiting, short circuit protection and
high temperature thermal shutdown. These devices
also includes reverse voltage protection that minimizes
any reverse current flow back into the output pin.
The CM3003 devices are housed in a space saving, 8-
pin power SOIC packages which has been thermally
enhanced (integral leadframe) to ensure maximum
junction to ambient power dissipation.
The CM3003 devices are available with optional lead-
free finishing.
Simplified Electrical Schematic
Typical Application Circuit
IN
EN
OUT
GND
10
μ
F
100
n
F
V
OUT
GND
CM3003
ADJ
V
IN
2.2V - 5.5V
10
μ
F
1.8V/2.5V@1.5A
EN
1.2V Reference
Voltage
+
IN
GND
EN
ADJ
Short Circuit
Over Temp
-
2.2V-5.5V
Controller
2.5V Output when ADJ = GND
Automatically selects Adjustable Output
(when external resistors are present)
OUT
Fixed
Adj
130K
120K
1.5 AMP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CM3003-18 | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-18SA | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-18SF | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-25SA | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-25SF | 1.5 Amp Dual Mode Low Dropout CMOS Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CM3003-18 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-18SA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-18SF | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-25SA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5 Amp Dual Mode Low Dropout CMOS Regulator |
| CM3003-25SF | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5 Amp Dual Mode Low Dropout CMOS Regulator |
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