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MP2158A Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2158A
Description  1A, 6V, 1.5MHz, 17uA IQ, COT Synchronous Step-Down Converter in Ultra-Small 2x1.5mm QFN-8
PDF  14 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2158A Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2158A – 1A, 6V, 1.5MHz SYNCHRONOUS STEP-DOWN CONVERTER
MP2158A Rev. 1.02
www.MonolithicPower.com
3
6/30/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TA = +25C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
2.5V ≤ VIN ≤ 6V, TA =
25
C
-1.5
0.600
+1.5
V/%
Feedback voltage
VFB
TA = -40C to +85C
(6)
-2.5
+2.5
V/%
Feedback current
IFB
VFB = 0.6V
10
50
nA
PFET switch-on resistance
RDSON_P
120
mΩ
NFET switch-on resistance
RDSON_N
90
mΩ
Switch leakage
VEN = 0V, VIN = 6V
VSW = 0V and 6V
0
1
μA
PFET current limit
2
A
VIN = 5V, VOUT = 1.2V
166
On time
TON
VIN = 3.6V, VOUT = 1.2V
220
ns
VOUT = 1.2V
-20%
1500
+20% kHz/%
Switching frequency
Fs
TA = -40
oC to +85oC (6)
-25%
1500
+25% kHz/%
Minimum off time
(6)
TMIN-OFF
60
ns
Soft-start time
TSS-ON
VOUT from 10% to 90%
0.6
1.15
1.7
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
VEN = 2V
1.5
μA
EN input current
VEN = 0V
0
μA
Supply current (shutdown)
VEN = 0V, VIN = 3V
20
100
nA
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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