Datasheet > MIC2199YML

MIC2199YML

更新时间： 2024-09-13 10:57:23

品牌	Logo	应用领域
麦瑞 - MICREL		转换器开关光电二极管信息通信管理
页数	文件大小	规格书
14页	376K
描述
300kHz 4mm × 4mm Synchronous Buck Converter

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MIC2199YML 数据手册

Micrel, Inc.

MIC2199

300kHz 4mm × 4mm Synchronous Buck Converter

General Description

Features

The MIC2199 is a high-power 300kHz synchronous buck

DC-to-DC controller housed in a small 4mm×4mm MLF™

12-pin package. The MIC2199 operates from a wide 4.5V

to 32V input and can be programmed for output voltages

from 0.8V to 6V. The wide input voltage capability makes

the MIC2199 an ideal solution for point-of-load DC-to-DC

conversion in 5V, 12V, 24V, and 28V systems.

•ꢀ 4.5Vꢀtoꢀ32Vꢀinputꢀrange

•ꢀ 4mmꢀ×4mm MLF™ package

•ꢀ 300kHzꢀPWMꢀoperation

•ꢀ 95%ꢀefﬁciency

•ꢀ Outputꢀvoltageꢀadjustableꢀdownꢀtoꢀ0.8V

•ꢀ 20Aꢀoutputꢀcurrentꢀcapability

•ꢀ DrivesꢀallꢀN-ChannelꢀMOSFETs

•ꢀ Logicꢀcontrolledꢀmicropowerꢀshutdownꢀ

•ꢀ Cycle-by-cycleꢀcurrentꢀlimiting

•ꢀ Adjustableꢀundervoltageꢀlockout

•ꢀ Frequencyꢀfoldbackꢀovercurrentꢀprotection

The 300kHz switching frequency allows the use of a small

inductorandsmalloutputcapacitors.ThecurrentmodePWM

control along with the external COMP pin allows for ease of

stability compensation and fast transient response across a

wide range of applications.

Applications

•ꢀ Point-of-loadꢀDC-to-DCꢀconversionꢀfromꢀ5V,ꢀ12V,ꢀ

24V, 28V supplies

An all N-Channel synchronous architecture and powerful

output drivers allow up to 20A of output current capability.

For smaller external components, refer to the 500kHz

MIC2198.

•ꢀ Telecomꢀequipment

•ꢀ Wirelessꢀmodems

•ꢀ Servers

•ꢀ Baseꢀstations

The MIC2199 is available in a 12-pin 4mm×4mm MLF™

package with a junction temperature range from –40°C to

125°C.

Typical Application

V_IN

4.5V to 24V

U1 MIC2199BML

100.0

SD103BWS

VIN

VDD

BST

4.7µF

22µF

0.1µF

IRF7821

2µH

EN/UVLO

HSD

VSW

LSD

V_OUT

95.0

0.01Ω

3.3V/7A

220µF

IRF7821

CSH

VOUT

90.0

1nF

COMP

10kΩ

6.04kΩ

2kΩ

V_OUT= 3.3V

GND

85.0

(A)

2.2nF

I_LOAD

Efﬁciency for

= 5V and V = 3.3V

4.5V–24V to 3.3V/7A Converter

OUT

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

January 2010

M9999-011310

12 3 4 5 6 7...14

中文翻译

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MIC2199YML 替代型号

型号	品牌	替代类型	描述	数据表
MIC2199BML	MICROCHIP	功能相似	Switching Controller, Current-mode, 0.005A, 330kHz Switching Freq-Max, BICMOS, PDSO12, 4 X
MIC2199BML	MICREL	功能相似	300kHz 4mm 】 4mm Synchronous Buck Converter

与MIC2199YML相关器件

型号	品牌	获取价格	描述	数据表
MIC2199YMLTR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 330kHz SWITCHING FREQ-MAX, PDSO12, 4 X 4 MM, LEAD FREE, MLF-12
MIC2199YML-TR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 330kHz SWITCHING FREQ-MAX, PDSO12
MIC21LV32	MICROCHIP	获取价格	The MIC21LV32 is an advanced constant on-time, dual phase synchronous buck controller feat
MIC21LV33	MICROCHIP	获取价格	The MIC21LV33 is a constant on-time, dual phase synchronous buck controller featuring a un
MIC2202	MICREL	获取价格	HIGH EFFICIENCY 2MHZ SYNCHRONOUS BUCK CONVERTER 1UP STABLE PWM REGULATOR
MIC2202	MICROCHIP	获取价格	The MIC2202 is a high efficiency, 2MHz PWM synchronous buck regulator. The fast 2MHz ope
MIC2202_07	MICREL	获取价格	High Efficiency 2MHz Synchronous Buck Convert
MIC2202BML	MICROCHIP	获取价格	Switching Regulator, Voltage-mode, 2.5A, 2200kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MLF
MIC2202BML	MICREL	获取价格	HIGH EFFICIENCY 2MHZ SYNCHRONOUS BUCK CONVERTER 1UP STABLE PWM REGULATOR
MIC2202BMLTR	MICREL	获取价格	Switching Regulator, Voltage-mode, 2.5A, 2200kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MLF

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