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參數(shù)資料
| 型號： | MIC2219 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 線性穩(wěn)壓 |
| 英文描述： | Dynamically Adjustable Dual uCap LDO |
| 中文描述： | 動態(tài)可調(diào)LDO的雙開普 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 219K |
| 代理商： | MIC2219 |
April 2005
1
M9999-042105
MIC2219
Micrel, Inc.
MIC2219
Dynamically Adjustable Dual
Cap LDO
General Description
The MIC2219 is a dual Cap low dropout regulator. The first
regulator is capable of sourcing 150mA, while the second
regulator can source up to 300mA.
Ideal for battery operated applications, the MIC2219 offers
1% accuracy, extremely low dropout voltage (80mV @
100mA), and extremely low ground current, only 48A total.
Equipped with TTL logic compatible enable pins, the MIC2219
can be put into a zero-off-mode current state, drawing no
current when disabled. Separate enable pins allow individual
control of each output voltage.
The additional feature incorporated in the MIC2219 is bring-
ing out the feedback nodes to two external pins, allowing for
dynamic adjustment of the LDO output voltages.
The MIC2219 is a Cap design, operating with very small
ceramic output capacitors for stability, reducing required
board space and component cost.
The MIC2219 is available in fixed output voltages in the
10-pin 3mm × 3mm MLF leadless package.
Typical Application
VIN
EN1
OFF ON
EN2
CBYP
FB1
FB2
VOUT1
LEDs ×10
VOUT2
0.01F
1F
Ceramic
1F
Vibrator
Motor
GND
MIC2219-xxBML
MIC2219 Typical Cell Phone Application
Features
Input voltage range: 2.25V to 5.5V
Stable with ceramic output capacitor
2 LDO outputs
Output 1 - 150mA output current
Output 2 - 300mA output current
Feedback pins externally accessible
Low dropout voltage of 80mV @ 100mA
Ultra-low quiescent current of 48
A total (24A/LDO)
High output accuracy:
+1.0% initial accuracy
+2.0% over temperature
Thermal shutdown protection
Current limit protection
Tiny 10-pin 3mm ×
×
× 3mm MLF package
Applications
Cellular phones
Wireless modems
PDAs
LEDs
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
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| MIC2937A-4.8BT | 4.8 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSFM3 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2219-3.0BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Dynamically Adjustable Dual uCap LDO |
| MIC2219-3.3BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Dynamically Adjustable Dual uCap LDO |
| MIC2219-PSBML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Dynamically Adjustable Dual uCap LDO |
| MIC2219-PSBML TR | 功能描述:IC REG LDO 3V/3.3V 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:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC2219-PSYML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Dynamically Adjustable Dual uCap LDO |
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