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دیتاشیت - Micrel Semiconductor - 150mA LDO Regulator

شماره قطعه MIC5295
شرح مفصل 150mA LDO Regulator
تولید کننده Micrel Semiconductor 
آرم Micrel Semiconductor 


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MIC5295 شرح
MIC5295
Low Quiescent Current, 150mA LDO
Regulator
General Description
The MIC5295 is a 150mA highly accurate, low dropout
regulator with high input voltage and low ground current.
This combination of high voltage and low ground current
makes the MIC5295 ideal for USB and portable electronics
applications, using 1-cell, 2-cell or 3-cell Li-Ion battery
inputs.
A µCap LDO design, the MIC5295 is stable with either a
ceramic or tantalum output capacitor. It only requires a
2.2µF capacitor for stability.
Features of the MIC5295 includes enable input, thermal
shutdown, current limit, reverse battery protection, and
reverse leakage protection.
Available in fixed and adjustable output voltage versions,
the MIC5295 is offered in the TO-252-5 (D-Pak) package
with a junction temperature range of –40°C to +125°C.
Features
Wide input voltage range: 2.3V to 24V
Ultra low ground current: 18µA
Low dropout voltage: 300mV at 150mA
High initial output accuracy: ±1.0%
Stable with ceramic or tantalum capacitors
Excellent line and load regulation specifications
Reverse battery protection
Reverse leakage protection
Thermal shutdown and current limit protection
PowerTO-252-5 (D-Pak)package
Adjustable output from 1.24V-20V
Applications
USB power supply
Cellular phones
Keep-alive supply in notebook and portable computers
Logic supply for high-voltage batteries
Automotive electronics
Battery powered systems
Typical Application
Low Current Adjustable Regulator Application
100
90
80
70
60
50
40
30
20
10
0
4
Ground Current
v s. Input Voltage
10mA
100µA
8 12 16 20
INPUT VOLT AGE (V)
24
Ground Current vs. Input Voltage
IttyBitty is a registered trademark of Micrel, 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
November 2009
M9999-110209-A

قانون اساسیصفحه 11
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