MIC47050-1.8YML datasheet, PDF

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MIC47050-1.8YML: Description500mA ULDOâ¢ with Low Input and Low Output Voltage; CategoryPower/power management The power supply circuit; File Size490KB，16 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC47050-1.8YML Overview

500mA ULDOâ¢ with Low Input and Low Output Voltage

MIC47050-1.8YML Parametric

Parameter Name	Attribute value
Maker	Microchip
package instruction	2 X 2 MM, GREEN, MLF-6
Reach Compliance Code	compliant
ECCN code	EAR99
Maximum drop-back voltage 1	0.12 V
Maximum input voltage	3.6 V
Minimum input voltage	1 V
JESD-30 code	S-PDSO-N6
JESD-609 code	e4
length	2 mm
Number of functions	1
Number of terminals	6
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	0.5 A
Maximum output voltage 1	1.836 V
Minimum output voltage 1	1.764 V
Nominal output voltage 1	1.8 V
Package body material	PLASTIC/EPOXY
encapsulated code	HVSON
Package shape	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	0.9 mm
surface mount	YES
technology	NMOS
Terminal surface	NICKEL PALLADIUM GOLD
Terminal form	NO LEAD
Terminal pitch	0.65 mm
Terminal location	DUAL
width	2 mm

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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

MIC47050-1.8YML Related Products

	MIC47050-1.8YML	MIC47050-1.2YMT	MIC47050-1.8YMT	MIC47050YMT	MIC47050_12	MIC47050	MIC47050-1.2YML
Description	500mA ULDOâ¢ with Low Input and Low Output Voltage	500mA ULDOâ¢ with Low Input and Low Output Voltage	500mA ULDOâ¢ with Low Input and Low Output Voltage	500mA ULDOâ¢ with Low Input and Low Output Voltage	500mA ULDOâ¢ with Low Input and Low Output Voltage	500mA ULDO with Low Input and Low Output Voltage	500mA ULDO with Low Input and Low Output Voltage
Maker	Microchip	Microchip	Microchip	Microchip	-	-	Microchip
package instruction	2 X 2 MM, GREEN, MLF-6	2 X 2 MM, GREEN, TMLF-6	HVSON,	HVSON,	-	-	HVSON,
Reach Compliance Code	compliant	compli	compli	compli	-	-	compli
ECCN code	EAR99	EAR99	EAR99	EAR99	-	-	EAR99
Maximum drop-back voltage 1	0.12 V	0.12 V	0.12 V	0.12 V	-	-	0.12 V
Maximum input voltage	3.6 V	3.6 V	3.6 V	-	-	-	3.6 V
Minimum input voltage	1 V	1 V	1 V	-	-	-	1 V
JESD-30 code	S-PDSO-N6	S-PDSO-N6	S-PDSO-N6	S-PDSO-N6	-	-	S-PDSO-N6
JESD-609 code	e4	e4	e4	e4	-	-	-
length	2 mm	2 mm	2 mm	2 mm	-	-	2 mm
Number of functions	1	1	1	1	-	-	1
Number of terminals	6	6	6	6	-	-	6
Working temperatureTJ-Max	125 °C	125 °C	125 °C	125 °C	-	-	125 °C
Maximum output current 1	0.5 A	0.5 A	0.5 A	0.5 A	-	-	0.5 A
Maximum output voltage 1	1.836 V	1.224 V	1.836 V	2 V	-	-	1.224 V
Minimum output voltage 1	1.764 V	1.176 V	1.764 V	0.4 V	-	-	1.176 V
Nominal output voltage 1	1.8 V	1.2 V	1.8 V	-	-	-	1.2 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY
encapsulated code	HVSON	HVSON	HVSON	HVSON	-	-	HVSON
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	-	-	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	-	-	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	-	-	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	0.9 mm	0.6 mm	0.6 mm	0.6 mm	-	-	0.9 mm
surface mount	YES	YES	YES	YES	-	-	YES
technology	NMOS	NMOS	NMOS	CMOS	-	-	NMOS
Terminal surface	NICKEL PALLADIUM GOLD	NICKEL PALLADIUM GOLD	NICKEL PALLADIUM GOLD	NICKEL PALLADIUM GOLD	-	-	-
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD	-	-	NO LEAD
Terminal pitch	0.65 mm	0.5 mm	0.5 mm	0.5 mm	-	-	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	-	-	DUAL
width	2 mm	2 mm	2 mm	2 mm	-	-	2 mm
Operating temperatureTJ-Mi	-	-40 °C	-40 °C	-40 °C	-	-	-40 °C

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