MP2155 datasheet(3/18 Pages) MPS

部品番号	MP2155

部品情報	High Efficiency Single Inductor Buck-Boost Converter with 2.2A Switches

PDF	18 Pages

Scroll/Zoom	100%

メーカー	MPS [Monolithic Power Systems]

ホームページ	http://www.monolithicpower.com

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MP2155 –HIGH EFFICIENCY SINGLE INDUCTOR BUCK-BOOST CONVERTER WITH 2.2A SWITCHES

MP2155 Rev. 1.0

www.MonolithicPower.com

1/26/2014

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS

VIN = VCC=VEN=3.3V, TJ = 25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

VCC rising

1.8

1.9

Under voltage lockout threshold

VUVLO

VCC falling

1.60

Feedback voltage

VFB

486

496

506

Oscillator frequency

900

1000

1300

kHz

Frequency

range

for

synchronization

FREQ

1000

2000

kHz

Primary current limit

1.8

2.2

Secondary current limit

Isw

1.8

NMOS switch on resistance

RDS(ON)-N

105

mΩ

PMOS switch on resistance

RDS(ON)-P

120

mΩ

Quiescent current

VFB=0.65V

μA

Shutdown current

VEN=0V

μA

MODE input low voltage

0.4

MODE input high voltage

1.2

EN input low voltage

0.4

EN input high voltage

1.2

VEN=3.3V

3.1

μA

EN input current

IEN

VEN=0V

μA

Thermal shutdown

(5)

TSHDN

160

℃

Thermal shutdown hysteresis

(5)

THYS

℃

Notes:

5) Guaranteed by engineering sample Characterization, not tested in production.

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