參數(shù)資料
型號: MIC2810-44MYML TR
廠商: Micrel Inc
文件頁數(shù): 1/18頁
文件大?。?/td> 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: 1.2V,300mA
電壓/電流 - 輸出 3: 2.8V,300mA
帶 LED 驅(qū)動(dòng)器:
帶監(jiān)控器:
帶序列發(fā)生器:
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: 576-1747-6
 
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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