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MPQ8623GD Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MPQ8623GD
Description  16V, 6A, High Efficiency, Synchronous, Step-Down Converter with Adjustable Current Limit
PDF  20 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPQ8623GD Datasheet(HTML) 5 Page - Monolithic Power Systems

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MPQ8623 – 16V, 6A, HIGH EFFICIENCY SYNC STEP-DOWN CONVERTER W/ ADJUSTABLE CURRENT LIMIT
MPQ8623 Rev. 1.01
www.MonolithicPower.com
5
10/2/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = -40°C to 125°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
VIN Supply Current
Supply current (shutdown)
IIN
VEN = 0V
0
10
μA
Supply current (quiescent)
IIN
VEN = 2V, VFB = 1V
650
850
μA
MOSFET
Switch leakage
SWLKG_HS
VEN = 0V, VSW = 0V
0
10
μA
SWLKG_LS
VEN = 0V, VSW = 12V
0
30
HS on-state resistance
RDS_ON_HS
VEN = 2V @ 25°C
22.6
m
Ω
LS on-state resistance
RDS_ON_LS
VEN = 2V @ 25°C
8.1
m
Ω
Current Limit
Current limit threshold
VLIM
1.15
1.2
1.25
V
ICS to IOUT ratio
ICS/IOUT
IOUT
≥ 2A
36
40
44
μA/A
Low-side negative current limit
ILIM_NEG_10
-8
A
Negative current limit time-out (7)
tNCL_Timer
80
ns
Timer
Switching frequency (8)
fSW
VOUT=1V
530
660
790
kHz
VOUT=1V
935
1100
1265
kHz
VOUT=3.3V
1870
2200
2530
kHz
Minimum on time (7)
TON_MIN
50
ns
Minimum off time (7)
TOFF_MIN
VFB = 1000mV
180
ns
Over-Voltage (OVP) and Under-Voltage Protection (UVP)
OVP threshold
VOVP
113%
116%
119%
VREF
UVP threshold
VUVP
77%
80%
83%
VREF
Feedback Voltage and Soft Start (SS)
Feedback voltage
VREF
TJ = -40°C to +125°C
891
900
909
mV
TJ = 0°C to +70°C
895
900
905
mV
TRK/REF sourcing current
ITRACK_Source
VTRK/REF = 0V
15
μA
TRK/REF sinking current
ITRACK_Sink
VTRK/REF = 1V
6
μA
Soft-start time
tSS
CTRACK = 1nF
1
1.5
ms
Error Amplifier (EA)
Error amplifier offset
VOS
-3
0
3
mV
Feedback current
IFB
VFB = REF
50
100
nA
Enable (EN)
Enable input rising threshold
VIHEN
1.17
1.22
1.27
V
Enable hysteresis
VEN-HYS
200
mV
Enable input current
IEN
VEN = 2V
0
μA
Soft shutdown discharge FET
RON_DISCH
80
Ω
VIN UVLO
VIN under-voltage lockout
threshold rising
VINVth-Rise
VCC = 3.3V
2.25
2.55
2.85
V
VIN under-voltage lockout
threshold falling
VINVth-Fall
1.7
2
2.3
V



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