MIC47050YML TR datasheet, PDF - EEWORLD Datasheet

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MIC47050YML TR: DescriptionLDO Regulator Pos 0.4V to 2V 0.5A 6-Pin DFN EP T/R; File Size509KB，16 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC47050YML TR Overview

LDO Regulator Pos 0.4V to 2V 0.5A 6-Pin DFN EP T/R

MIC47050YML TR Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Type	LDO
Number of Outputs	1
Polarity	Positive
Accuracy (%)	±1.5
Output Type	Adjustable
Output Voltage (V)	0.4 to 2
Maximum Output Current (A)	0.5
Minimum Input Voltage (V)	1
Maximum Input Voltage (V)	3.6
Maximum Dropout Voltage @ Current (V)	0.12@500mA\|0.05@100mA
Reference Voltage (V)	0.406
Line Regulation	0.05%/V
Load Regulation	0.5%
Typical Ground Current @ Full Load (mA)	0.006
Junction to Ambient	90°C/W
Junction to Case	45°C/W
Special Features	Under Voltage Lockout
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tape and Reel
Supplier Package	DFN EP
Pin Count	6
Mounting	Surface Mount
Package Height	0.85(Max)
Package Length	2
Package Width	2
PCB changed	6

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MIC47050

500mA ULDO™ with Low Input

and Low Output Voltage

General Description

The MIC47050 is a high-speed, ultra-low dropout, dual-

supply NMOS ULDO™ designed to take advantage of

point-of-load applications that use multiple supply rails to

generate a low-voltage, high-current power supply. The

MIC47050 can source 500mA of output current while only

requiring a 1

F ceramic output capacitor for stability. A

1.5% output voltage accuracy, low dropout voltage (44mV

@ 500mA), and low ground current makes this device

ideally suited for mobile and point-of-load applications.

The MIC47050 has an NMOS output stage offering very

low output impedance. The NMOS output stage makes for

a unique ability to respond very quickly to sudden load

changes such as that required by a microprocessor, DSP

or FPGA. The MIC47050 consumes little quiescent current

and therefore can be used for driving the core voltages of

mobile processors, post regulating a core DC/DC

converter in any processor.

The MIC47050 is available in fixed and adjustable output

voltages in the tiny 2mm x 2mm MLF

and Thin MLF

packages with an operating junction temperature range of

40C

125C.

Data sheets and support documentation can be found on

Micrel’s web site at:

www.micrel.com.

Features



Voltage range

– Input Voltage: 1.0V to 3.6V

– Bias Voltage: 2.3V to 5.5V



0.4V to 2.0V output voltage range



Low dropout voltage of 44mV at 500mA



±1.5% initial output voltage accuracy



High bandwidth – very fast transient response



Stable with a 1µF ceramic output capacitor



Logic level enable input



UVLO on both supply voltages



Available in thermally-enhanced 2mm x 2mm MLF

and

Thin MLF

packages



Junction temperature range of –40C to +125C

Applications



Point-of-load applications

PDAs, notebooks, and desktops

Datacom and telecom systems

DSP, PLD and FPGA power supply

Low-voltage post regulation

_________________________________________________________________________________________________________________________

Typical Application

ULDO 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

April 2012

M9999-040312-B

MIC47050YML TR Related Products

	MIC47050YML TR	MIC47050YML	MIC47050-1.2YML-TR	MIC47050-1.8YML-TR	MIC47050YMT TR
Description	LDO Regulator Pos 0.4V to 2V 0.5A 6-Pin DFN EP T/R	LDO Regulator Pos 0.4V to 2V 0.5A 6-Pin DFN EP	LDO Regulator Pos 1.2V 0.5A 6-Pin DFN EP T/R	LDO Regulator Pos 1.8V 0.5A 6-Pin DFN EP T/R	LDO Regulator Pos 0.4V to 2V 0.5A 6-Pin TDFN EP T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Active	Active
Type	LDO	LDO	LDO	LDO	LDO
Number of Outputs	1	1	1	1	1
Polarity	Positive	Positive	Positive	Positive	Positive
Accuracy (%)	±1.5	±1.5	±1.5	±1.5	±1.5
Output Type	Adjustable	Adjustable	Fixed	Fixed	Adjustable
Output Voltage (V)	0.4 to 2	0.4 to 2	1.2	1.8	0.4 to 2
Maximum Output Current (A)	0.5	0.5	0.5	0.5	0.5
Minimum Input Voltage (V)	1	1	1	1	1
Maximum Input Voltage (V)	3.6	3.6	3.6	3.6	3.6
Maximum Dropout Voltage @ Current (V)	0.12@500mA\|0.05@100mA	0.05@100mA\|0.12@500mA	0.05@100mA\|0.12@500mA	0.12@500mA\|0.05@100mA	0.05@100mA\|0.12@500mA
Line Regulation	0.05%/V	0.05%/V	0.05%/V	0.05%/V	0.05%/V
Load Regulation	0.5%	0.5%	0.5%	0.5%	0.5%
Typical Ground Current @ Full Load (mA)	0.006	0.006	0.006	0.006	0.006
Junction to Ambient	90°C/W	90°C/W	90°C/W	90°C/W	90°C/W
Junction to Case	45°C/W	45°C/W	45°C/W	45°C/W	45°C/W
Special Features	Under Voltage Lockout	Under Voltage Lockout	Under Voltage Lockout	Under Voltage Lockout	Under Voltage Lockout
Minimum Operating Temperature (°C)	-40	-40	-40	-40	-40
Maximum Operating Temperature (°C)	85	85	85	85	85
Supplier Package	DFN EP	DFN EP	DFN EP	DFN EP	TDFN EP
Pin Count	6	6	6	6	6
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	0.85(Max)	0.85(Max)	0.85(Max)	0.85(Max)	0.55(Max)
Package Length	2	2	2	2	2
Package Width	2	2	2	2	2
PCB changed	6	6	6	6	6
HTS	8542.39.00.01	-	8542.39.00.01	8542.39.00.01	8542.39.00.01
Reference Voltage (V)	0.406	0.406	-	-	0.406
Packaging	Tape and Reel	-	Tape and Reel	Tape and Reel	Tape and Reel

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