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MIC5315-1.5/1.2/1.0YMT PDF预览

MIC5315-1.5/1.2/1.0YMT

更新时间: 2024-11-02 07:17:03
品牌 Logo 应用领域
麦瑞 - MICREL 光电二极管
页数 文件大小 规格书
13页 333K
描述
Low Voltage Dual 300mA LDO with Voltage Select

MIC5315-1.5/1.2/1.0YMT 数据手册

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MIC5315  
Low Voltage Dual 300mA LDO  
with Voltage Select  
General Description  
Features  
The MIC5315 is a high performance, dual low input  
voltage, low dropout regulator with voltage select. Major  
features include two 300mA LDOs, input voltage down to  
1.7V, ultra low drop out of 85mV at full load, and voltage  
select. Each LDO has its own low voltage input for system  
flexibility. The low input voltages and low drop out  
operation provides high efficiency by reducing the input to  
output voltage step which minimizes the regulator power  
loss. Voltage select is incorporated into the second output,  
which reduces the output voltage to a lower level to further  
save power while in stand-by mode.  
300mA output current for each LDO  
Dual low voltage regulator inputs: 1.7V to 5.5V  
Low output voltage range: 0.8V to 2.0V  
Ultra-low dropout voltage of 85mV @ 300mA  
Voltage select function  
Stable with 1µF ceramic output capacitors  
Very fast transient response  
Thermal shutdown and current limit protection  
Tiny 10-pin 2mm x 2mm Thin MLF® package  
Ideal for battery operated applications; the MIC5315 offers  
1% accuracy and low ground current to increase light load  
efficiency. The MIC5315 can also be put into a zero-off-  
mode current state, drawing virtually no current when  
disabled.  
Applications  
Mobile Phones  
GPS and Navigation Devices  
Portable Media Players  
Digital still and video cameras  
PDAs  
The MIC5315 is available in fixed output voltages in the  
10-pin 2mm x 2mm Thin MLF® leadless package.  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Portable electronics  
___________________________________________________________________________________________________________  
Typical Application  
VI/O  
MIC5315-xxyYMT  
MIC23031-1.8YMT  
VBAT  
VCORE1  
VCORE2  
DC-to-DC  
Converter  
VIN1  
VOUT1  
VIN2  
VBIAS  
/VSC2  
EN1  
VOUT2  
CIN  
1µF  
CBIAS  
1µF  
CBYP  
1µF  
1µF  
EN2  
µProcessor  
10nF  
GND  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-070208-A  
July 2008  

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