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MP2158 датащи(PDF) 3 Page - Monolithic Power Systems

номер детали MP2158
подробное описание детали  1A, 6V, 1.5MHz, 17A IQ, COT Synchronous Step Down Switcher In Ultra-small 2x1.5mm QFN
PDF  13 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2158 датащи(HTML) 3 Page - Monolithic Power Systems

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MP2158 – 1A, 6V, 1.5MHz SYNCHRONOUS STEP-DOWN SWITCHER
MP2158 Rev. 1.0
www.MonolithicPower.com
3
10/10/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (5)
VIN = 5V, TA = +25C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Feedback Voltage
VFB
2.5V ≤ VIN ≤ 6V
-3%
0.600
+3%
V/%
TA=-40
oC to +85oC (6)
-3.5%
+3.5%
Feedback Current
IFB
VFB = 0.6V
10
50
nA
PFET Switch On Resistance
RDSON P
118
mΩ
NFET Switch On Resistance
RDSON N
88
mΩ
Switch Leakage
VEN = 0V, VIN = 6V
VSW = 0V and 6V
0
1
μA
PFET Current Limit
2
A
ON Time
TON
VIN=5V, VOUT=1.2V
185
ns
VIN=3.6V, VOUT=1.2V
245
Switching frequency
Fs
VOUT=1.2V
-20%
1500
+20% kHz/%
TA=-40
oC to +85oC(6)
-25%
1500
+25% kHz/%
Minimum Off Time
TMIN-OFF
60
ns
Soft-Start Time
TSS-ON
1.5
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
50
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
550
kΩ
Under Voltage Lockout Threshold
Rising
2.15
2.3
2.45
V
Under Voltage Lockout Threshold
Hysteresis
260
mV
EN Input Logic Low Voltage
0.4
V
EN Input Logic High Voltage
1.2
V
EN Input Current
VEN=2V
1.5
μA
VEN=0V
0
μA
Supply Current (Shutdown)
VEN=0V
0
1
μA
Supply Current (Quiescent)
VEN=2V, VFB=0.63V, VIN=5V
17
20
μA
Thermal Shutdown
(5)
150
C
Thermal Hysteresis
(5)
30
C
Notes:
5) Guaranteed by design.
6) Guaranteed by characterization test.



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