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MP2313 Arkusz danych(PDF) 4 Page - Monolithic Power Systems

Numer części MP2313
Szczegółowy opis  High Efficiency 1A, 24V, 2MHz Synchronous Step Down Converter
PDF  19 Pages
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Producent  MPS [Monolithic Power Systems]
Strona internetowa  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2313 Arkusz danych(HTML) 4 Page - Monolithic Power Systems

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MP2313 – 24V, 1A SYNC STEP DOWN CONVERTER
MP2313 Rev. 1.0
www.MonolithicPower.com
4
9/1/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TA = 25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Supply Current (Shutdown)
IIN
VEN = 0V
1
μA
Supply Current (Quiescent)
Iq
VEN = 2V, VFB = 1V, AAM=0.5V
0.2
mA
VEN = 2V, VFB = 1V, AAM=5V
0.7
HS Switch On Resistance
HSRDS-ON VBST-SW=5V
110
mΩ
LS Switch On Resistance
LSRDS-ON VCC=5V
50
mΩ
Switch Leakage
SWLKG
VEN = 0V, VSW =12V
1
μA
Current Limit
ILIMIT
Duty Cycle=40%
2.5
3.5
A
Oscillator Frequency
fSW
VFB=750mV
1700
2000
2400
kHz
Fold-back Frequency
fFB
VFB<400mV
0.3
fSW
Maximum Duty Cycle
DMAX
VFB=700mV
78
83
%
Minimum On Time
(6)
TON MIN
35
ns
Feedback Voltage
VFB
TA=25ºC
786
798
810
mV
Feedback Current
IFB
VFB=820mV
10
50
nA
EN Rising Threshold
VEN RISING
1.2
1.4
1.6
V
EN Hysteresis
VEN HYS
80
150
220
mV
EN Input Current
IEN
VEN=2V
2
μA
VEN=0
0
nA
VIN Under Voltage Lockout
Threshold-Rising
INUVVth
3.7
3.9
4.1
V
VIN Under Voltage Lockout
Threshold-Hysteresis
INUVHYS
650
mV
VCC Regulator
VCC
4.9
V
VCC Load Regulation
ICC=5mA
1.5
%
Soft-Start Period
TSS
VOUT from 10% to 90%
0.8
1.5
2.2
ms
Thermal Shutdown
(6)
150
ºC
Thermal Hysteresis
(6)
20
ºC
AAM Source Current
IAAM
5.6
6.2
6.8
μA
Notes:
6) Guaranteed by design



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