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參數(shù)資料
| 型號： | MIC2810-4MSYML TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 508K |
| 描述： | IC REG TRPL BUCK/LINEAR 16-MLF |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 拓?fù)洌?/td> | 降壓（降壓）（1），線性（LDO）（2） |
| 功能： | 任何功能 |
| 輸出數(shù)： | 3 |
| 頻率 - 開關(guān)： | 2MHz |
| 電壓/電流 - 輸出 1： | 1.2V，600mA |
| 電壓/電流 - 輸出 2： | 2.8V，300mA |
| 電壓/電流 - 輸出 3： | 3.3V，300mA |
| 帶 LED 驅(qū)動器： | 無 |
| 帶監(jiān)控器： | 無 |
| 帶序列發(fā)生器： | 無 |
| 電源電壓： | 1.65 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN，16-MLF? |
| 供應(yīng)商設(shè)備封裝： | 16-MLF?（4x4） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1086 (CN2011-ZH PDF) |
| 其它名稱： | 576-1749-6 |
MIC2810
Digital Power Management IC
2MHz, 600mA DC/DC w/Dual
300mA/300mA Low V
IN
LDOs
LOWQ is a registered trademark of Micrel, Inc.
MLF and MicroLeadFrame are registered 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
February 2008
M9999-022008-C
General Description
The MIC2810 is a high performance power management
IC, integrating a 2MHz DC/DC switcher with two 300mA
LDOs. The MIC2810 features a LOWQ
?/DIV>
mode, reducing
the total current draw while in this mode to less than 30礎(chǔ).
In LOWQ
?/DIV>
mode, the output noise of the DC/DC converter
is 53礦
RMS
, significantly lower than other converters that
use a PFM light load mode that can interfere with sensitive
RF circuitry.
The MIC2810 is a 礐ap design, operating with very small
ceramic output capacitors and inductors for stability,
therefore, reducing required board space and component
cost. It is available with fixed output voltages in a 16-pin
3mm x 3mm MLF
?/DIV>
leadless package.
Data sheets and support documentation can be found on
Micrels web site at: www.micrel.com.
Features
" 2MHz DC/DC converter and two LDOs
" Integrated power-on reset (OR function for all outputs)
Adjustable delay time
" LOWQ
?/DIV>
mode
30礎(chǔ) Total I
Q
when in LOWQ
?/DIV>
mode
" Tiny 16-pin 3mm x 3mm MLF
?/DIV>
package
" Thermal shutdown protection
" Current limit protection
DC/DC Converter
" 2.7V to 5.5V input voltage range
" Output current to 600mA in PWM mode
" LOWQ
?/DIV>
Mode: NO NOISE light load mode
53礦
RMS
Output noise in LOWQ
?/DIV>
mode
" 2MHz PWM operation in normal mode
LDOs
" LDO1
1.65V to 5.5V input voltage range
300mA Output current
Output voltage down to 0.8V
" LDO2
2.7V to 5.5V input voltage range
300mA Output current
Output voltage down to 0.8V
Applications
" Mobile phones
" PDAs
" GPS receivers
" Digital still cameras
" Portable media players
Typical Application
LDO
VIN
VIN1
SW
LDO1
LDO2
POR
CSET
LOWQ
EN2
BIAS
EN1
MIC2810-xxxYML
Baseband
Memory/DSP
PGND SGND
V
IN
2.7V to 5.5V
4.7礔
2.2礔
ceramic
2.2礔
ceramic
0.01礔
0.1礔
2.2礔
V
OUT
2.2礖
GND
GND
EN
VIN2
10
20
30
40
50
60
70
80
90
0 100 200 300 400 500 600
OUTPUT CURRENT (mA)
1.2V
OUT
Efficiency
V
IN
=3.6V
V
IN
=3V
V
IN
=4.2V
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