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參數資料
| 型號： | MIC2213-KNBML |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Sequenced Portable Power Management IC |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10 |
| 封裝： | 3 X 3 MM, MLF-10 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 234K |
| 代理商： | MIC2213-KNBML |
July 2003
1
MIC2213
MIC2213
Micrel
MIC2213
Sequenced Portable Power Management IC
General Description
The MIC2213 is a dual
μ
Cap low dropout regulator with an
open-drain driver and power-on reset circuit. The first regu-
lator is capable of sourcing 150mA, while the second regula-
tor can source up to 300mA. A power-on reset function
monitors both outputs, indicating a fault on either output 1 or
output 2. The open-drain output is capable of sinking 150mA
for LED backlighting applications.
The MIC2213 adds the additional feature of sequencing
between the outputs, with the output of regulator 1 having to
settle before the output of regulator 2 can begin to turn-on.
Ideal for battery operated applications, the MIC2213 offers
1% accuracy, extremely low dropout voltage (80mV @
100mA), and extremely low ground current, only 48
μ
A total.
Equipped with a TTL logic compatible enable pin, the MIC2213
can be put into a zero-off-mode current state, drawing no
current when disabled.
The MIC2213 is a
μ
Cap design, operating with very small
ceramic output capacitors for stability, reducing required
board space and component cost.
The MIC2213 is available in fixed output voltages in the
10-pin 3mm
×
3mm MLF leadless package and is also
available with adjustable output voltages in the 4mm
×
4mm
16-pin MLF package.
Typical Application
VIN
V
IN
C
DELAY
EN
CBYP
SW
0.01
μ
F
1
μ
F
100k
SET
Keyboard Backlighting LED
Baseband
μ
Processor
VOUT1
V
ANALOG
VOUT2
POR
V
DIGITAL
V
CORE
/RST
DRV
GND
MIC2213-xxBML
1
μ
F
Ceramic
OFF
ON
OFF
ON
MEMORY
MIC2213 Typical Cellphone Application
Features
2 LDO outputs
Output 1 - 150mA output current
Output 2 - 300mA output current
1 Open-drain driver
Power-on reset function with adjustable delay time
Sequencing between outputs 1 and 2
Input voltage range: 2.25V to 5.5V
Stable with ceramic output capacitor
Low dropout voltage of 80mV @ 100mA
Ultra-low quiescent current of 48
μ
A
High output accuracy:
+1.0% initial accuracy
+2.0% over temperature
Thermal Shutdown Protection
Current Limit Protection
Tiny 3mm
×
3mm MLF-10 package
Applications
Cellular/PCS phones
Wireless modems
PDAs
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
MicroeadFrame and MLF are trademarks of Amkor Technology.
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相關代理商/技術參數 |
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| MIC2214-1.8/2.8BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Portable Power Management IC |
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