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CM3019-30ST PDF预览

CM3019-30ST

更新时间： 2024-11-24 22:35:59
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
8页 178K
描述
Micropower, 500mA Low Noise CMOS LDO Regulator

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CM3019-30ST 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SOT-23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：5.91Is 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
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 1：0.5 A最大输出电压 1：3.09 V
最小输出电压 1：2.91 V标称输出电压 1：3 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）：NOT SPECIFIED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：2.8 mmBase Number Matches：1

CM3019-30ST 数据手册

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Preliminary  
CM3019  
CALIFORNIA MICRO DEVICES  
Micropower, 500mA Low Noise CMOS LDO Regulator  
Features  
Product Description  
The CM3019 is a CMOS linear voltage regulator with low  
quiescent current, very low drop out voltage and better  
than 1% initial output voltage accuracy.  
• 500mA output current capability  
• 500mA peak in SOT-23 package  
• 500mA continuous in MSOP package  
• 500mV 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  
The quiescent current is typically 150µA at light loads and  
only 165µA at 500mA. This is 5% more efficient than  
equivalent Bi-CMOS devices that can waste up to 25mA at  
500mA.  
Load regulation is maintained for peak currents up to  
500mA. This is useful for supplying inrush currents during  
power-up and transient conditions. Continuous output  
current is limited by 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. In this state,  
the supply current will drop to near zero.  
Applications  
•
•
•
•
Notebook, and palmtop computers  
Cell phones and battery powered devices  
Consumer and personal electronics  
PC Card Vcc and Vpp regulation and switching  
The device also features reverse current protection. This  
protects the device by blocking the pass transistors  
parasitic diode when the output voltage is forced higher  
than the input.  
Table 1: CM3019 Regulator Family  
For low noise performance and increased power supply  
ripple rejection a noise bypass capacitor can be connected  
to the BYP pin. Connecting this capacitor will not  
significantly delay the speed of power-up.  
Product  
Output Voltage  
Adjustable  
1.2V  
CM3019-00  
CM3019-12  
CM3019-15  
CM3019-18  
CM3019-25  
CM3019-28  
CM3019-30  
CM3019-33  
1.5V  
1.8V  
2.5V  
2.8V  
3.0V  
3.3V  
The CM3019 is fully protected, offering both overload  
current limiting and high temperature thermal shutdown.  
To reduce board cost and layout size the CM3019 was  
designed to be stable with or without any output capacitor.  
This includes tiny, low ESR ceramic capacitors.  
For other output voltages, please contact the factory  
Housed in a low profile MSOP8 package, or a SOT23-  
5/SOT23-6, the device is ideal for space critical  
applications.  
Typical Application Circuit  
Block Diagram  
© 2004 California Micro Devices Corp. All rights reserved  
02/20/04  
430 N. McCarthy Blvd, Milpitas, California 95035  
Tel: (408) 263-3214  
Fax: (408) 263-7846  
www.calmicro.com  
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