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MIC5308-1.5YD6 PDF预览

MIC5308-1.5YD6

更新时间: 2024-11-02 03:52:47
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麦瑞 - MICREL 调节器光电二极管输出元件
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描述
Low VIN/VOUT 150mA High PSRR ULDO with Ultra-Low IQ

MIC5308-1.5YD6 数据手册

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MIC5308  
Low VIN/VOUT 150mA High PSRR  
ULDO™ with Ultra-Low IQ  
General Description  
Features  
The MIC5308 is a high performance, µCap low dropout  
regulator, offering ultra-low operating current while  
maintaining very fast transient response. The MIC5308  
can source up to 150mA of output current and can  
regulate down from a low input supply voltage to increase  
system efficiency.  
Input voltage range: 1.6V to 5.5V  
Guaranteed 150mA over temperature  
Ultra Low dropout voltage of 45mV at 150mA  
High PSRR, up to 90dB @ 1kHz  
Output Voltage range: 0.8V to 2.0V  
Very low ground current – 23µA under full load  
Bias supply voltage range: 2.5V to 5.5V  
Stable with 1µF ceramic output capacitor  
150mA maximum output current at 1.6V input voltage  
Very fast transient response – ideal for digital loads  
Thermal shutdown and current limit protection  
Tiny 6-pin 1.6mm x 1.6mm Thin MLF® package  
Cost effective 6-pin TSOT-23 package  
Ideal for battery operated applications; the MIC5308 offers  
extremely low dropout voltage 45mV typically @ 150mA,  
and low ground current at all load conditions (typically  
23µA). The MIC5308 can also be put into a zero-off-mode  
current state, drawing virtually no current when disabled.  
The MIC5308 is available in fixed output voltages in the  
tiny 6-pin 1.6mm x 1.6mm thin MLF® leadless package as  
well as the 6-pin TSOT-23 for cost sensitive applications.  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Applications  
Mobile Phones  
PDAs  
GPS Receivers  
Portable Electronics  
___________________________________________________________________________________________________________  
Typical Application  
MIC5308  
BIAS  
1.2V / 150mA  
VOUT  
BYP  
VIN  
MIC23050  
DC-to-DC  
Converter  
Li-Ion  
2.7V to 4.2V  
EN  
CBIAS  
1µF  
CIN  
1µF  
GND  
CBYP  
10nF  
COUT  
1µF  
ULDO is a trademark of Micrel, Inc.  
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  
M9999-110807-B  
November 2007  

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