Datasheet > MIC33050-GYHL

MIC33050-GYHL

更新时间： 2024-11-24 03:40:15

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
13页	587K
描述
4MHz Internal Inductor PWM Buck Regulator with HyperLight Load⑩

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MIC33050-GYHL 数据手册

MIC33050

4MHz Internal Inductor PWM Buck

Regulator with HyperLight Load™

General Description

Features

The Micrel MIC33050 is a high efficiency 500mA PWM

synchronous buck (step-down) regulator with internal

inductor featuring HyperLight Load™, a patent-pending

switching scheme that offers best-in-class light load

efficiency and transient performance while providing very

small external components and low output ripple at all

loads.

• Input voltage: 2.7V to 5.5V

• 500mA output current

• Fixed output voltage options from 0.72V to 2.5V

• No external inductor required

HyperLight Load™

• Ultra fast transient response

• 20µA typical quiescent current

• 4MHz in PWM in constant current mode

• Low voltage output ripple

The MIC33050 also has a very low typical quiescent

current draw of 20µA and can achieve over 83% efficiency

even at 1mA.

–

25mVpp in HyperLight Load™ mode

–

3mV output voltage ripple in full PWM mode

In contrast to traditional light load schemes, the HyperLight

Load™ architecture does need not trade off control speed

to obtain low standby currents and in doing so, the device

only needs a small output capacitor to absorb the load

transient as the powered device goes from light load to full

load.

• >93% efficiency

• >83% at 1mA

• Micropower shutdown

• 3mm x 3mm MLF^®-12L

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

At higher loads, the MIC33050 provides a constant

switching frequency of greater than 4MHz while providing

peak efficiencies greater than 93%.

Applications

The MIC33050 comes in fixed output voltage options from

0.72V to 2.5V thereby eliminating external feedback

components.

• Cellular phones

• Digital cameras

• Portable media players

• Wireless LAN cards

• WiFi/WiMax/WiBro modules

• USB Powered Devices

The MIC33050 is available in an 12-pin 3mm x 3mm MLF^®

with a junction operating range of –40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

____________________________________________________________________________________________________________

Typical Application

HyperLight Load is a 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

M9999-100407-A

October 2007

12 3 4 5 6 7...13

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与MIC33050-GYHL相关器件

型号	品牌	获取价格	描述	数据表
MIC33050-GYHLTR	MICROCHIP	获取价格	2A SWITCHING REGULATOR, 4600kHz SWITCHING FREQ-MAX, PDSO12, 3 X 3 MM, GREEN, MLF-12
MIC33050-SYHL	MICREL	获取价格	4MHz Internal Inductor PWM Buck Regulator with HyperLight Load
MIC33050-SYHLTR	MICROCHIP	获取价格	2A SWITCHING REGULATOR, 4600kHz SWITCHING FREQ-MAX, PDSO12, 3 X 3 MM, GREEN, MLF-12
MIC-3312	ADVANTECH	获取价格	6U CompactPCI? Extension Board for MIC-3393
MIC-3312-A1E	ADVANTECH	获取价格	6U CompactPCI? Extension Board for MIC-3393
MIC-3312-A2E	ADVANTECH	获取价格	6U CompactPCI? Extension Board for MIC-3393
MIC33153	MICREL	获取价格	4MHz PWM 1.2A Internal Inductor Buck Regulator with HyperLight Load and Power Good
MIC33153	MICROCHIP	获取价格	The MIC33153 is a high-efficiency 4MHz 1.2A synchronous buck regulator with an internal in
MIC33153-4YHJ	MICREL	获取价格	4MHz PWM 1.2A Internal Inductor Buck Regulator with HyperLight Load and Power Good
MIC33153-SYHJ-TR	MICROCHIP	获取价格	Switching Regulator/Controller

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