Datasheet > MIC33030-4YHJ

MIC33030-4YHJ

更新时间： 2024-11-20 10:57:07

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器电感器开关
页数	文件大小	规格书
18页	696K
描述
8MHz 400mA Internal Inductor Buck Regulator with HyperLight Load

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MIC33030-4YHJ 数据手册

MIC33030

8MHz 400mA Internal Inductor Buck

Regulator with HyperLight Load™

General Description

Features

• Internal Inductor

− Simplifies design to two external capacitors

• Input voltage: 2.7V to 5.5V

• Output voltage accuracy of ±2.5% over temperature

• 400mA output current

• Efficiency up to 78% at 1mA

• 21µA typical quiescent current

• Up to 8MHz PWM operation in continuous mode

• Ultra-fast transient response

The MIC33030 is a high-efficiency, 8MHz, 400mA

synchronous buck regulator with an internal inductor and

HyperLight Load™ mode. HyperLight Load™ provides

very-high efficiency at light loads and ultra-fast transient

response that is perfectly suited for supplying processor

core voltages. An additional benefit of this proprietary

architecture is the very-low output ripple voltage

throughout the entire load range with the use of small

output capacitors. The tiny 2.5mm x 2.0mm MLF^®package

saves precious board space and requires only two external

capacitors.

• Low-voltage output ripple

− 30mVpp ripple in HyperLight Load^™mode

− 7mV output voltage ripple in full PWM mode

• Fully-integrated MOSFET switches

The MIC33030 is designed for use with tiny output

capacitors as small as 2.2µF. This gives the MIC33030 the

ease of use of an LDO with the efficiency of a HyperLight

Load™ DC converter.

• 0.01µA shutdown current

• Thermal shutdown and current-limit protection

The MIC33030 achieves efficiency in HyperLight Load™

mode as high as 78% at 1mA, with a very-low quiescent

current of 21µA. At higher loads, the MIC33030 provides a

constant switching frequency up to 8MHz.

• Fixed and adjustable output voltage options available

(0.7V to 3.6V)

• 2.5mm x 2.0mm 10-Lead MLF^®

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

The MIC33030 is available in a 10-pin 2.5mm x 2.0mm

MLF^®package with an operating junction temperature

range of –40°C to +125°C.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Applications

• Mobile handsets

• Portable media/MP3 players

• Portable navigation devices (GPS)

• WiFi/WiMax/WiBro modules

• Digital Cameras

• Wireless LAN cards

• USB-powered devices

• Portable applications

___________________________________________________________________________________________________________

Typical Application

Fixed-Output MIC33030

Adjustable-Output MIC33030

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

M9999-020311-C

February 2011

12 3 4 5 6 7...18

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与MIC33030-4YHJ相关器件

型号	品牌	获取价格	描述	数据表
MIC33030-AYHJ	MICREL	获取价格	8MHz 400mA Internal Inductor Buck Regulator with HyperLight Load
MIC33030-AYHJ-TR	MICROCHIP	获取价格	IC REG BUCK ADJ 0.4A SYNC 10HMLF
MIC33030-GYHJ	MICREL	获取价格	8MHz 400mA Internal Inductor Buck Regulator with HyperLight Load
MIC33030-GYHJ-TR	MICROCHIP	获取价格	IC REG BUCK 1.8V 0.4A SYNC 10MLF
MIC33030-JYHJ	MICREL	获取价格	8MHz 400mA Internal Inductor Buck Regulator with HyperLight Load
MIC33030-JYHJ-TR	MICROCHIP	获取价格	IC REG BUCK 2.5V 0.4A SYNC 10MLF
MIC33050	MICREL	获取价格	4MHz Internal Inductor PWM Buck Regulator wit
MIC33050	MICROCHIP	获取价格	The MIC33050 is a high efficiency 600mA PWM synchronous buck (step-down) regulator with in
MIC33050_09	MICREL	获取价格	4MHz Internal Inductor PWM Buck Regulator with HyperLight Load
MIC33050_12	MICREL	获取价格	4MHz Internal Inductor PWM Buck Regulator wit

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