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MP92265 Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MP92265
Description  18V, 5A, 500kHz, High-Efficiency, Synchronous, Step-Down Converter in 8-Pin TSOT23
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP92265 Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP92265
– 18V, 5A, SYNCHRONOUS, STEP-DOWN CONVERTER
MP92265 Rev. 1.0
www.MonolithicPower.com
4
11/29/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = -40°C to +125°C (5), typical value is tested at TJ = +25°C, unless otherwise
noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Supply current (quiescent)
IQ
VFB = 0.7V
320
400
μA
HS switch on resistance
HSRDS-ON
VBST-SW = 5V
47
mΩ
LS switch on resistance
LSRDS-ON
VCC = 5V
18
mΩ
Switch leakage
SWLKG
2
μA
Current limit
ILIMIT
Under 40% duty cycle
6.5
9.5
A
Oscillator frequency
FSW
VFB = 0.48V
380
500
580
kHz
Foldback frequency
FFB
VFB < 300mV
0.8
FSW
Maximum duty cycle
DMAX
VFB = 500mV
90
95
%
Minimum on time (6)
TON_MIN
50
ns
Feedback voltage
VFB
TJ = 25°C
594
600
606
mV
Feedback voltage
VFB
591
600
609
mV
Feedback current
IFB
VFB = 620mV
10
50
nA
VIN under-voltage lockout
threshold rising
INUVVth
4.8
5.3
5.8
V
VIN under-voltage lockout
threshold hysteresis
INUVHYS
1
V
Soft-start current
ISS
10% to 90% output voltage
8
11
14
μA
Thermal shutdown (6)
TSD
150
°C
Thermal hysteresis (6)
TSD_HYS
20
°C
NOTES:
5) Not tested in production. Guaranteed by over-temperature correlation.
6) Guaranteed by engineering sample characterization.



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