MIC23030

更新时间： 2024-11-14 10:57:19

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
17页	690K
描述
8MHz PWM 400mA Buck Regulator with HyperLight Load

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MIC23030 数据手册

MIC23030

8MHz PWM 400mA Buck Regulator with

HyperLight Load™

General Description

Features

• Input voltage: 2.7V to 5.5V

• 400mA output current

• Up to 91% efficiency and 83% at 1mA

• 21µA typical quiescent current

• 8MHz PWM operation in continuous mode

• Ultra fast transient response

HyperLight Load™

The MIC23030 is a high efficiency 8MHz 400mA

synchronous buck regulator with HyperLight Load™ mode.

HyperLight Load™ provides very high efficiency at light

loads and ultra-fast transient response which is perfectly

suited for supplying processor core voltages.

additional benefit of this proprietary architecture is very low

output ripple voltage throughout the entire load range with

the use of small output capacitors. The tiny 1.6mm x

1.6mm Thin MLF^®package saves precious board space

and requires only three external components.

• Low voltage output ripple

− 14mVpp ripple in HyperLight Load^™mode

− 5mV output voltage ripple in full PWM mode

• Fully integrated MOSFET switches

The MIC23030 is designed for use with a very small

inductor, down to 0.47µH, and an output capacitor as small

as 2.2 µF that enables a sub-1mm height.

• 0.01µA shutdown current

• Thermal shutdown and current limit protection

• Fixed and adjustable output voltage options available

• 6-pin 1.6mm x 1.6mm Thin MLF^®

The MIC23030 has a very low quiescent current of 21µA

and achieves as high as 83% efficiency at 1mA. At higher

loads, the MIC23030 provides a constant switching

frequency around 8MHz while achieving peak efficiencies

up to 91%.

• –40°C to +125°C junction temperature range

Applications

• Mobile handsets

The MIC23030 is available in a 6-pin 1.6mm x 1.6mm Thin

MLF^®package with an operating junction temperature

range from –40°C to +125°C.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• Portable media/MP3 players

• Portable navigation devices (GPS)

• WiFi/WiMax/WiBro modules

• Digital Cameras

• Wireless LAN cards

• USB powered devices

• Portable applications

____________________________________________________________________________________________________________

Typical Application

Efficiency V_OUT= 2.5V

100

U1 MIC23030

V_IN

V_IN= 3.0V

2.7V to 5.5V

V_OUT

VIN

V_IN= 3.6V

SNS

70 V_IN= 4.2V

AGND

PGND

L = 0.47µH

C_OUT= 4.7µF

GND

100

1000

OUTPUT CURRENT (mA)

HyperLight Load is a trademark of Micrel, Inc.

MLF and MicroLeadFrame are registered trademark 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

M9999-082608-B

August 2008

12 3 4 5 6 7...17

中文翻译

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与MIC23030相关器件

型号	品牌	获取价格	描述	数据表
MIC23030-4YMT	MICREL	获取价格	8MHz PWM 400mA Buck Regulator with HyperLight Load
MIC23030-4YMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 8000kHz SWITCHING FREQ-MAX, PDSO6
MIC23030-AYMT	MICREL	获取价格	8MHz PWM 400mA Buck Regulator with HyperLight Load
MIC23030-CYMT	MICREL	获取价格	8MHz PWM 400mA Buck Regulator with HyperLight Load
MIC23030-CYMTTR	MICREL	获取价格	暂无描述
MIC23030-FYMT	MICREL	获取价格	8MHz PWM 400mA Buck Regulator with HyperLight Load
MIC23030-FYMTTR	MICREL	获取价格	暂无描述
MIC23030-FYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 8000kHz SWITCHING FREQ-MAX, PDSO6
MIC23030-GYMT	MICREL	获取价格	8MHz PWM 400mA Buck Regulator with HyperLight Load
MIC23030-GYMTTR	MICREL	获取价格	1A SWITCHING REGULATOR, 8000kHz SWITCHING FREQ-MAX, PDSO6, 1.60 X 1.60 MM, GREEN, MLF-6

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