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MP8757GL датащи(PDF) 4 Page - Monolithic Power Systems

номер детали MP8757GL
подробное описание детали  High Efficiency, 7A, 18V Synchronous, Step-Down Converter
PDF  21 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8757GL датащи(HTML) 4 Page - Monolithic Power Systems

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MP8757–18V, HIGH CURRENT SYNCHRONOUS BUCK CONVERTER
MP8757 Rev. 1.0
www.MonolithicPower.com
4
5/1/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = 25C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply Current
Supply Current (Shutdown)
ISD
VEN = 0V
0
1
μA
Supply Current (Quiescent)
IQ
VEN = 2V,
VFB = 0.65V
160
190
220
μA
MOSFET
High-side Switch On Resistance
HSRDS-ON
TJ =25
C
25
mΩ
Low-side Switch On Resistance
LSRDS-ON
TJ =25
C
12
mΩ
Switch Leakage
SWLKG
VEN = 0V, VSW = 0V
0
1
μA
Current Limit
Low-side Valley Current Limit
ILIMIT
9.5
A
Switching frequency and minimum off time
Switching frequency
FSW
400
500
600
kHz
Minimum Off Time(6)
TOFF
250
300
350
ns
Over-voltage and Under-voltage Protection
OVP Threshold
VOVP
125
130
135
%VREF
OVP Delay
TOVPDEL
2.5
μs
UVP Threshold
VUVP
55
60
65
%VREF
UVP Delay
TUVPDEL
12
μs
Reference And Soft Start
Reference Voltage
VREF
598
604
610
mV
Feedback Current
IFB
VFB = 0.604V
10
50
nA
Soft Start Time
TSS
1.6
1.95
ms
Enable And UVLO
Enable Input Low Voltage
VILEN
1.15
1.25
1.35
V
Enable Hysteresis
VEN-HYS
100
mV
Enable Input Current
IEN
VEN = 2V
3
μA
VEN = 0V
0
VCC Under Voltage Lockout
Threshold Rising
VCCVth
4.5
4.85
V
VCC Under Voltage Lockout
Threshold Hysteresis
VCCHYS
500
mV



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