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CM3015-28ST PDF预览

CM3015-28ST

更新时间： 2024-10-02 06:48:07
品牌 Logo 应用领域
CALMIRCO 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
14页 508K
描述
Micropower, 300mA Low Dropout CMOS Regulator

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CM3015-28ST 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LSSOP,
针数：5Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92Is Samacsys：N
最大输入电压：6 V最小输入电压：2.2 V
JESD-30 代码：R-PDSO-G5长度：2.9 mm
湿度敏感等级：1功能数量：1
端子数量：5工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.3 A
最大输出电压 1：2.884 V最小输出电压 1：2.716 V
标称输出电压 1：2.8 V封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：225
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.45 mm表面贴装：YES
技术：CMOS端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

CM3015-28ST 数据手册

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PRELIMINARY  
CM3015  
Micropower, 300mA Low Dropout CMOS Regulator  
Features  
Product Description  
•
300mA output current capability  
The CM3015 is a CMOS linear voltage regulator with  
low quiescent current, very low dropout voltage and  
better than 1% fixed output voltage accuracy. The  
CM3015 ground current is typically 150µA at light loads  
and only 165µA at 300mA.  
•300mA peak in SOT-23 package  
•300mA continuous in MSOP package  
300mV maximum dropout voltage at full load  
Excellent line and load regulation  
Stable with any output capacitor  
Ultra low noise with optional bypass capacitor  
Fast power-up with bypass capacitor  
"Zero" current in Shutdown mode  
Thermal overload protection  
•
•
•
•
•
•
•
•
•
Load regulation of 0.25% is maintained for peak cur-  
rents up to 300mA. This is useful for supplying in-rush  
currents during power-up and transient conditions. The  
continuous output current is determined by power dis-  
sipation, package type and board layout.  
Foldback current limiting protection  
Reverse current protection  
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 and the  
supply current will drop to near zero.  
Applications  
The CM3015 also features reverse current protection.  
This protects the device by blocking the pass transis-  
tor’s parasitic diode when the output voltage is forced  
higher than the input. The device also incorporates  
overload current limiting and high temperature thermal  
shutdown protection.  
•
•
•
•
Notebook and palmtop computers  
Cell phones and battery powered devices  
Consumer and personal electronics  
PC Card V and V regulation and switching  
CC  
PP  
For low noise performance and increased power sup-  
ply ripple rejection, a bypass capacitor can be con-  
nected to the BYP pin. Connecting this capacitor will  
not significantly delay the speed of power-up.  
CM3015 Regulator Family  
PRODUCT  
OUTPUT VOLTAGE*  
CM3015-00  
Adjustable  
1.2V  
To reduce board cost and layout size the CM3015 was  
designed to be stable with or without any output capac-  
itor. This includes tiny, low ESR ceramic capacitors.  
The CM3015 is available in a low profile, 8-lead MSOP  
package and 5 and 6-lead SOT23 packages making it  
ideal for space critical applications.  
CM3015-12  
CM3015-15  
CM3015-18  
CM3015-25  
CM3015-28  
CM3015-30  
CM3015-33  
1.5V  
1.8V  
2.5V  
2.8V  
3.0V  
3.3V  
* For other output voltages, please consult factory.  
Block Diagram  
Reverse  
Current  
Protection  
IN  
OUT  
Current  
Limit  
VREF  
BYP  
AMP  
R1  
-
Fast  
Power-Up  
EN  
VSENSE*  
Enable  
Control  
R2  
EN  
Active  
Pulldown  
Thermal  
Overload  
GND  
* Adjustable output version only  
© 2004 California Micro Devices Corp. All rights reserved.  
09/14/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112  
●
Tel: 408.263.3214  
●
Fax: 408.263.7846  
●
www.calmicro.com  
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