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參數資料
| 型號： | MIC2810 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs |
| 中文描述： | 數字電源管理IC，600mA的直流/直流瓦特2MHz的/雙300mA/300mA低VIN LDO的 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 520K |
| 代理商： | MIC2810 |
MIC2810
Digital Power Management IC
2MHz, 600mA DC/DC w/Dual
300mA/300mA Low V
IN
LDOs
General Description
LOWQ
is a registered trademark of Micrel, Inc.
MLF and
Micro
LeadFrame 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
April 2007
1
M9999-041107-B
The MIC2810 is a high performance power management
IC, integrating a 2MHz DC/DC switcher with two 300mA
LDOs. The MIC2810 features a
LOWQ
mode, reducing
the total current draw while in this mode to less than 30μA.
In
LOWQ
mode, the output noise of the DC/DC converter
is 53μV
RMS
, significantly lower than other converters that
use a PFM light load mode that can interfere with sensitive
RF circuitry.
The MIC2810 is a μCap 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
leadless package.
Data sheets and support documentation can be found on
Micrel’s 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
mode
– 30μA Total I
Q
when in
LOWQ
mode
Tiny 16-pin 3mm x 3mm MLF
package
Thermal shutdown protection
Current limit protection
Typical Application
DC/DC Converter
2.7V to 5.5V input voltage range
Output current to 600mA in PWM mode
LOWQ
Mode: NO NOISE light load mode
– 53μV
RMS
Output noise in
LOWQ
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
LDO
SW
VIN
VIN1
VIN2
LDO1
LDO2
POR
CSET
LOWQ
EN2
BIAS
PGND
EN1
MIC2810-xxxYML
Baseband
Memory/DSP
SGND
V
IN
2.7V to 5.5V
4.7μF
2.2μF
ceramic
2.2μF
ceramic
0.01μF
0.1μF
2.2μF
V
OUT
2.2μH
GND
GND
EN
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
=4.2V
V
IN
=3V
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC2810-1JGMYML TR | 功能描述:線性穩壓器 - 標準 DC-DC + 2 Linear Regulators with LowQ mode and POR (Lead-Free) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MIC2810-44MYML | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC2810-44MYML TR | 功能描述:線性穩壓器 - 標準 DC-DC + 2 Linear Regulators with LowQ mode and POR (Lead-Free) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MIC2810-44MYML-TR | 功能描述:Linear And Switching Voltage Regulator IC 3 Output Step-Down (Buck) (1), Linear (LDO) (2) 2MHz 16-VFQFN, 16-MLF? 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態:停產 拓撲:降壓（降壓）（1），線性（LDO）（2） 功能:任何功能 輸出數:3 頻率 - 開關: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 驅動器:無 帶監控器:無 帶定序器:無 電壓 - 電源: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? 供應商器件封裝:16-MLF?（4x4） 標準包裝:1 |
| MIC2810-4GKYML TR | 功能描述:線性穩壓器 - 標準 DC-DC + 2 Linear Regulators with LowQ mode and POR (Lead-Free) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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