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MP2143 датащи(PDF) 3 Page - Monolithic Power Systems

номер детали MP2143
подробное описание детали  3A, 5.5V, 1.2MHz, 40uA IQ, COT Synchronous Step Down Switcher
PDF  14 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2143 датащи(HTML) 3 Page - Monolithic Power Systems

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MP2143 – 3A, 5.5V, 1.2MHz, 40μA IQ, COT SYNCHRONOUS STEP-DOWN SWITCHER
MP2143 Rev. 1.07
www.MonolithicPower.com
3
7/4/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (5)
VIN = 5V, TA = 25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
2.5V ≤ VIN ≤ 5.5V
-1.5%
0.600 +1.5%
Feedback Voltage
VFB
TA=-40
oC to +85oC
-2%
+2%
V/%
Feedback Current
IFB
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
0.1
2
μA
PFET Current Limit
4.2
4.8
A
NFET Switch Sinking Current
INSW
VOUT=1.2V, VFB=0.7V
100
μA
VIN=5V, VOUT=1.2V
200
ON Time
tON
VIN=3.6V, VOUT=1.2V
277
nS
VIN=5V, VOUT=1.2V, IOUT=1A
-20%
1200
+20%
kHz
Switching frequency
fs
TA=-40
oC to +85oC
-25%
1200
+25%
kHz
Minimum OFF Time
tMIN-OFF
50
ns
Soft-Start Time
tSS-ON
1.3
ms
Soft-Stop Time
tSS-OFF
1
ms
Power-Good Upper Trip
Threshold
PGH
FB voltage respect to the
regulation
+10%
%
Power-Good Lower Trip
Threshold
PGL
-10%
%
Power-Good Delay
PGD
110
μs
Power-Good Sink Current
Capability
VPG-L
Sink 1mA
0.4
V
Power-Good Logic High Voltage
VPG-H
VIN=5V, VFB=0.6V
4.9
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
EN Input Logic Low Voltage
0.4
V
EN Input Logic High Voltage
1.2
V
VEN=2V
2
μA
EN Input Current
VEN=0V
0.1
μA



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