Datasheet > MIC2810

MIC2810

更新时间： 2024-09-30 04:39:55

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
18页	508K
描述
Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs

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MIC2810 数据手册

MIC2810

Digital Power Management IC

2MHz, 600mA DC/DC w/Dual

300mA/300mA Low V_INLDOs

General Description

DC/DC Converter

• 2.7V to 5.5V input voltage range

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.

• Output current to 600mA in PWM mode

•

LOWQ^®Mode: NO NOISE light load mode

– 53µV_RMSOutput 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

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.

– 2.7V to 5.5V input voltage range

– 300mA Output current

– Output voltage down to 0.8V

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Applications

• Mobile phones

• PDAs

• GPS receivers

• Digital still cameras

• Portable media players

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_Qwhen in LOWQ^®mode

• Tiny 16-pin 3mm x 3mm MLF^®package

• Thermal shutdown protection

• Current limit protection

Typical Application

1.2V

Efficiency

OUT

MIC2810-xxxYML

V_IN

VIN

VIN1

VIN2

LDO

V_OUT

2.7V to 5.5V

Memory/DSP

Baseband

V =3V

4.7µF

2.2µH

2.2µF

V =3.6V

V =4.2V

EN1

LDO1

LDO2

POR

LOWQ

EN2

BIAS

CSET

2.2µF

ceramic

2.2µF

ceramic

PGND

SGND

0.1µF

0.01µF

100 200 300 400 500 600

OUTPUT CURRENT (mA)

GND

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

M9999-041107-B

April 2007

12 3 4 5 6 7...18

中文翻译

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与MIC2810相关器件

型号	品牌	获取价格	描述	数据表
MIC2810_08	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2810-1.2/1.2/2.8YML	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
MIC2810-1.2/1.8/3.3YML	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
MIC2810-1.2/2.7/3.3YML	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
MIC2810-1J6JYML-TR	MICROCHIP	获取价格	Power Supply Support Circuit, Fixed, 2 Channel
MIC2810-1J6SYML-TR	MICROCHIP	获取价格	Power Supply Support Circuit, Fixed, 2 Channel
MIC2810-1JGMYML-TR	MICROCHIP	获取价格	IC REG TRPL BUCK/LINEAR 16MLF
MIC2810-44MYML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2810-44MYML-TR	MICROCHIP	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
MIC2810-4GKYML	MICROCHIP	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16

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