MIC5190YMLTR Micrel Semiconductor, MIC5190YMLTR Datasheet

MIC5190YMLTR

Manufacturer Part Number

MIC5190YMLTR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC5190YMLTR.pdf (13 pages)

Specifications of MIC5190YMLTR

Date_code

06+

Packing_info

33D-10L

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General Description

The MIC5190 is an ultra high-speed linear regulator. It uses

an external N-Channel FET as its power device.

The MIC5190 offers ultra high-speed to cope with the fast

load demands of microprocessor cores, ASICs, and other

high-speed devices. Signal bandwidths of greater than 500kHz

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.

1.25V

a large amount of capacitance.

MIC5190 (0.5V reference) is optimized for output voltages of

below 1.0V.

The MIC5190 is offered in 10-lead 3mm 3mm MLF™ and

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

temperature range of –40 C to +125 C.

All support documentation can be found on Micrel’s web

site at www.micrel.com.

Typical Application

MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.

PowerPAK is a trademark of Siliconix, Inc.

December 2005

MIC5190

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

10% can be turned into 0.9V 1% without the use of

0.01 F

GND

=1.2V

= 12V

0.01 F

12.5kΩ

VIN

VCC1

VCC2

COMP

MIC5190

PGND

SGND

Ultra High-Speed, High-Current Active Filter/LDO Controller

Features

• Input voltage range:

• +1.0% initial output tolerance

• 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 0.5V

• Stable with any output capacitor

• Excellent line and load regulation specifications

• Logic controlled shutdown

• Current limit protection

• 3mm 3mm 10-lead MLF™ and MSOP-10 packages

• Available –40 C to +125 C junction temperature

Applications

• Distributed power supplies

• ASIC power supplies

• DSP, P, and C power supplies

OUT

IR3716S

= 0.9V to 5.5V

100 Ω

125Ω

OUT

10 F

MIC5190

= 0.9V@7A

GND

M9999-120105

Micrel

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