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MP4570 Arkusz danych(PDF) 6 Page - Monolithic Power Systems

Numer części MP4570
Szczegółowy opis  3A, 4.5V-55V Input, Frequency Programmable, Fully Integrated Synchronous, Step-Down Converter
PDF  22 Pages
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Producent  MPS [Monolithic Power Systems]
Strona internetowa  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4570 Arkusz danych(HTML) 6 Page - Monolithic Power Systems

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MP4570 – 3A, 55V, SYNCHRONOUS STEP DOWN CONVERTER
MP4570 Rev. 1.01
www.MonolithicPower.com
6
1/4/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 48V, VEN = 3.3V, TJ= +25C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Oscillator Frequency
Switching Frequency
fSW
RFREQ=100k
400
520
640
kHz
OVP Protection
Output OVP Threshold
VOVP
VFB(OVP)/VFB
108
115
122
%
Power Good
Power Good Threshold
VPG_TH
VOUT Rising, VFB(PG)/VFB
86
90
94
%
VOUT Falling, VFB(PG)/VFB
81
85
89
Power Good Hysteresis
VPG_HYS
Δ
VFB(PG)/VFB
5
%
Power Good Delay
tPG_DL
VOUT Rising
8
22
37
μs
VOUT Falling
8
21
33
μs
Frequency SYNC
SYNC Leakage Current
ILKG_SYNC
10
100
nA
SYNC Frequency Range
fSYNC
100
1000
kHz
Thermal
Thermal Shutdown
(4)
TSD
150
170
°C
Thermal Shutdown Hysteresis
(4)
TSD_HYS
10
°C
Note:
4) Derived from bench characterization. Not tested in production.



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