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參數(shù)資料
| 型號： | MIC2219-PSYMLTR |
| 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, PDSO10 |
| 封裝： | 3 X 3 MM, LEAD FREE, MLF-10 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 219K |
| 代理商： | MIC2219-PSYMLTR |
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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MIC22200 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2A Integrated Switch Synchronous Buck Regulator with Frequency Programmable from 800kHz to 4MHz |
| MIC22200YML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2A Integrated Switch Synchronous Buck Regulator with Frequency Programmable from 800kHz to 4MHz |
| MIC22200YML TR | 功能描述:直流/直流開關調(diào)節(jié)器 2A Integrated Switch Synchronous Buck Regulator with Frequency Programmable from 800KHz to 4MHz RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MIC22200YML-TR | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.7V 1 Output 2A 12-VFDFN Exposed Pad, 12-MLF? 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:降壓 輸出配置:正 拓撲:降壓 輸出類型:可調(diào)式 輸出數(shù):1 電壓 - 輸入（最小值）:2.6V 電壓 - 輸入（最大值）:5.5V 電壓 - 輸出（最小值/固定）:0.7V 電壓 - 輸出（最大值）:5.5V 電流 - 輸出:2A 頻率 - 開關:800kHz ~ 4MHz 同步整流器:是 工作溫度:-40°C ~ 125°C （TJ） 安裝類型:表面貼裝 封裝/外殼:12-VFDFN 裸焊盤，12-MLF? 供應商器件封裝:12-MLF?（4x4） 標準包裝:1 |
| MIC22205 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2A, Integrated, Switch, High-Efficiency |
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