Datasheet > MIC5191

MIC5191

更新时间： 2024-11-30 14:54:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
15页	845K
描述
The MIC5191 is an ultra high-speed linear regulator. It uses an external N-Channel FET as its po

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MIC5191 数据手册

MIC5191

Ultra High-Speed, High-Current

Active Filter / LDO Controller

General Description

Features

The MIC5191 is an ultra high-speed linear regulator. It

uses an external N-Channel FET as its power device.

• Input voltage range: V_IN= 1.0V to 5.5V

• +1.0% initial output tolerance

The MIC5191's ultra high-speed abilities can handle the

fast load demands of microprocessor cores, ASICs, and

other high-speed devices. Signal bandwidths of greater

than 500 kHz can be achieved with a minimum amount of

capacitance while at the same time keeping the output

voltage clean, regardless of load demand. A powerful

output driver delivers large MOSFETs into their linear

regions, achieving ultra-low dropout voltage.

• Dropout down to 25mV@10A

• Filters out switching frequency noise on input

• Very high large signal bandwidth >500kHz

• PSRR >40dB at 500kHz

• Adjustable output voltage down to 1.0V

• Stable with any output capacitor

• Excellent line and load regulation specifications

• Logic controlled shutdown

1.25V_IN±10% can be turned into 1V ±1% without the use

of a large amount of capacitance.

• Current limit protection

MIC5191 (1.0V reference) is optimized for output voltages

of 1.0V and higher.

The MIC5191 is offered in 10-pin 3mm×3mm MLF^®and

10-pin MSOP-10 packages and has an operating junction

temperature range of –40°C to +125°C.

• 10-pin MLF^®and MSOP-10 packages

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

Applications

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

• Distributed power supplies

• ASIC power supplies

• DSP, µP, and µC power supplies

___________________________________________________________________________________________________________

Typical Application

V_CC=12V

0.01µF

V_IN1.2V

_OUT1.0V@7A

IR3716S

MIC5191

OUT

VIN

VCC1

VCC2

10µF

PGND

SGND

0.01µF

COMP

GND

PowerPAK is a trademark of Siliconix, 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

M9999-122206

December 2006

12 3 4 5 6 7...15

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与MIC5191相关器件

型号	品牌	获取价格	描述	数据表
MIC5191_06	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter / LDO Controller
MIC5191_11	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter / LDO Controller
MIC5191BML	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller
MIC5191BMLTR	MICREL	获取价格	暂无描述
MIC5191BMM	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller
MIC5191BMM	MICROCHIP	获取价格	Analog Circuit, 1 Func, CMOS, PDSO10, MSOP-10
MIC5191BMMTR	MICREL	获取价格	Analog Circuit, 1 Func, PDSO10, MSOP-10
MIC5191YML	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter / LDO Controller
MIC5191YMLTR	MICREL	获取价格	SPECIALTY ANALOG CIRCUIT, DSO10, 3 X 3 MM, LEAD FREE, MLF-10
MIC5191YML-TR	MICROCHIP	获取价格	SPECIALTY ANALOG CIRCUIT, DSO10

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