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MP2317 Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MP2317
Description  26V, 1A, 600kHz, High-Efficiency, Synchronous, Step-Down Converter
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2317 Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP2317 – 26V, 1A, SYNCHRONOUS, STEP-DOWN CONVERTER
MP2317 Rev. 1.0
www.MonolithicPower.com
4
3/24/2016
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), unless otherwise noted. Typical value is based on the average
value when TJ = 25°C.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Supply current (quiescent)
Iq
VFB = 1V
150
μA
HS switch-on resistance
HSRDS-ON
VBST-SW = 4V
100
mΩ
LS switch-on resistance
LSRDS-ON
VCC = 4V
50
mΩ
Switch leakage
SWLKG
1
μA
Current limit
ILIMIT
Duty cycle = 40%, TJ = 25°C
1.4
2.2
3
A
Oscillator frequency
fSW
VFB = 750mV
500
600
700
kHz
Foldback frequency
fFB
VFB = 200mV
0.2
fSW
Maximum duty cycle
DMAX
VFB = 750mV
93
%
Minimum on time
(6)
TON MIN
90
ns
Feedback voltage
VFB
775
791
807
mV
Feedback current
IFB
VFB = 820mV
10
50
nA
VIN under-voltage lockout
threshold rising
INUVVth
5.2
6.3
7.5
V
VIN under-voltage lockout
threshold hysteresis
INUVHYS
500
mV
VCC regulator
VCC
4
V
VCC load regulation
ICC = 5mA
1.5
%
Soft-start period
TSS
10% to 90%
0.8
1.5
2.2
ms
Thermal shutdown
(6)
TSD
150
°C
Thermal hysteresis
(6)
TSD HYS
20
°C
NOTES:
5) Not tested in production and guaranteed by over-temperature correlation.
6) Guaranteed by design and characterization test.



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