參數(shù)資料
型號(hào)： MIC5312-1.8/2.8BML
廠商： MICREL INC
元件分類： 固定正電壓多路輸出LDO穩(wěn)壓器
英文描述： DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10
封裝： 3 X 3 MM, MLF-10
文件頁數(shù)： 1/12頁
文件大?。?/td> 476K
代理商： MIC5312-1.8/2.8BML
MIC5312
LowQ
TM Mode Dual 300mA LDO
with Integrated POR
MLF and MicroLeadFrame are 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
January 2005
M9999-011205
(408) 955-1690
General Description
The MIC5312 is a high performance, dual Cap low
dropout regulator with integrated power-on reset
supervisor, offering ultra-low operating current and a
second, even lower operating current mode, LowQ
TM
mode, reducing operating current by 75%. Each
regulator can source up to 300mA of output current
maximum.
Ideal for battery operated applications, the MIC5312
offers 1% accuracy, extremely low dropout voltage
(60mV @ 150mA), and low ground current (typically
28A total). When put into LowQ
TM
mode, the internal
current draw drops down to 7A total. The MIC5312
also comes equipped with a TTL logic compatible
enable pin that allows the part to be put into a zero-off-
mode current state, drawing no current when disabled.
The Power-on Reset is active low and indicates an
output undervoltage condition on either regulator 1 or 2
when the regulator is enabled.
The MIC5312 is a Cap design, operating with very
small ceramic output capacitors for stability, reducing
required board space and component cost.
The MIC5312 is available in fixed output voltages in the
3mm x 3mm MLF-10 leadless package.
Data sheets
and support documentation can be found on Micrel’s
web site at www.micrel.com.
Features
Input voltage range: 2.5V to 5.5V
LowQTM Mode
-
7A total quiescent current
-
10mA output current capable LowQ
TM mode
-
Logic level control with external pin
Stable with ceramic output capacitor
2 LDO Outputs – 300mA each
Integrated Power-on Reset (POR) with adjustable
delay time
Tiny 3mm x 3mm MLF-10 package
Low dropout voltage of 60mV @ 150mA
Ultra-low quiescent current of 28A total in Full
Current Mode
High output accuracy
-
±1.0% initial accuracy
-
±2.0% over temperature
Thermal Shutdown Protection
Current Limit Protection
Applications
Cellular/PCS phones
Wireless modems
PDAs
MP3 Players
相關(guān)PDF資料
PDF描述
MIC5312-1.85/2.6BML DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10
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MIC69101-1.8YMLTR 1.8 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO10
MIC69302WU 0.5 V-5.5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC5312-DKBML TR 功能描述:IC REG LDO 1.85V/2.6V .3A 10-MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH
MIC5312-DKYML TR 功能描述:低壓差穩(wěn)壓器 - LDO Portable Power IC in 3mm x 3mm MLF LowQ Dual Cap LDO w/Integrated POR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MIC5312-GMBML TR 功能描述:IC REG LDO 1.8V/2.8V .3A 10-MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:500mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH
MIC5312-GMYML TR 功能描述:低壓差穩(wěn)壓器 - LDO Portable Power IC in 3mm x 3mm MLF LowQ Dual Cap LDO w/Integrated POR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MIC5312-GPYML TR 功能描述:低壓差穩(wěn)壓器 - LDO Portable Power IC in 3mm x 3mm MLF LowQ Dual Cap LDO w/Integrated POR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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