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MP8619 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP8619
Description  8A, 25V, 600kHz Synchronous Step-down Converter
PDF  12 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8619 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP8619 – 8A, 25V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP8619 Rev. 0.9
www.MonolithicPower.com
3
12/10/2013
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TA = +25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply Current (Shutdown)
IIN
VEN = 0V
0
1
μA
Supply Current (Quiescent)
IIN
VEN = 2V, VFB = 1V
0.7
1
mA
HS Switch On Resistance
(5)
HSRDS-ON
50
mΩ
LS Switch On Resistance
(5)
LSRDS-ON
8
mΩ
Switch Leakage
SWLKG
VEN = 0V, VSW = 0V or
12V
10
200
nA
Current Limit
(5)
ILIMIT
9.5
A
Oscillator Frequency
FSW
VFB = 0.75V
450
600
730
kHz
Maximum Duty Cycle
DMAX
VFB = 700mV
85
90
%
Sync Frequency Range
FSYNC
0.3
2
MHz
Feedback Voltage
VFB
788
808
828
mV
Feedback Current
IFB
VFB = 800mV
10
100
nA
EN/SYNC Input Low Voltage
VILEN
0.4
V
EN/SYNC Input High Voltage
VIHEN
2
V
VEN = 2V
2
EN Input Current
IEN
VEN = 0V
0.1
μA
EN Turn Off Delay
ENTd-Off
15
μsec
Power Good Rising Threshold
PGVth-Hi
0.71
V
Power Good Falling Threshold
PGVth-Lo
0.53
V
Power Good Delay
PGTd
25
μs
Power
Good
Sink
Current
Capability
VPG
Sink 4mA
0.4
V
Power Good Leakage Current
IPG_LEAK
VPG = 3.3V
1
100
nA
VIN
Under
Voltage
Lockout
Threshold Rising
INUVVth
3.8
4.0
4.2
V
VIN
Under
Voltage
Lockout
Threshold Hysteresis
INUVHYS
880
mV
VCC Regulator
VCC
4.5
5.5
VCC Load Regulation
Icc=5mA
5
%
Thermal Shutdown
TSD
150
°C
Note:
5) Guaranteed by design.



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