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MPQ2143HGD Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MPQ2143HGD
Description  3A, 5.5V, 2.0MHz Synchronous Step Down Switcher
PDF  15 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPQ2143HGD Datasheet(HTML) 4 Page - Monolithic Power Systems

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MPQ2143H
– 3A, 5.5V, 2.0MHz, SYNCHRONOUS STEP-DOWN SWITCHER
MPQ2143H Rev. 1.0
www.MonolithicPower.com
4
8/12/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TJ = -40°C to 125°C, Typical value is tested at TJ=+25°C. The limit over temperature is
guaranteed by characterization, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Feedback Voltage
VFB
TJ = 25°C
591
600
609
mV
TJ = -40°C to 125°C
588
600
612
Feedback Current
IFB
TJ = 25°C, VFB = 0.63V
10
nA
PFET Switch ON Resistance
RDSON_P
80
mΩ
NFET Switch ON Resistance
RDSON_N
40
mΩ
Switch Leakage
VEN = 0V, VIN = 5V,
VSW = 0V and 5V,
TJ = 25°C
0.1
2
μA
PFET Current Limit
TJ = 25°C
3.9
4.5
6
A
ON Time
tON
VIN=5V, VOUT=1.5V
150
ns
VIN=3.6V, VOUT=1.5V
200
Switching Frequency
fs
VIN=3.3V, VOUT=1.5V,
TJ =25°C
1800
2000
kHz
fs
VIN=3.3V, VOUT=1.5V,
TJ =-40°C to 125°C
1700
3000
Minimum OFF Time
tMIN-OFF
30
ns
Soft-Start Time
tSS-ON
VIN=3.6V, VOUT=1.5V, 10% to
90%
1.3
ms
Soft-Stop Time
tSS-OFF
VIN=3.6V, VOUT=1.5V, 90% to
10%
1
ms
Power-Good Upper Trip
Threshold
PGH
FB falling when PG turn to high
voltage
110
%
Power-Good Upper Trip
Hysteresis
PGH_Hys
5
%
Power-Good Lower Trip
Threshold
PGL
FB Rising when PG turn to
high voltage
90
%
Power-Good Lower Trip
Hysteresis
PGL_Hys
5
%
Power-Good Delay
PGD
110
μs
Power-Good Sink Current
Capability
VPG-L
Sink 1mA
400
mV
Power-Good Logic High
Voltage
VPG-H
VIN=5V, VFB=0.6V
4.85
V
Power-Good Internal Pull-Up
Resistor
RPG
500
kΩ
Under-Voltage Lockout
Threshold Rising
2.0
2.2
2.4
V
Under-Voltage Lockout
Threshold Hysteresis
150
mV



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