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MPQ9842GL Datasheet(PDF) 5 Page - MPS Industries, Inc.

Part # MPQ9842GL
Description  36V, 2A, Low IQ,Step-Down Converter AEC-Q100 Qualified
PDF  37 Pages
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Manufacturer  MPSIND [MPS Industries, Inc.]
Direct Link  http://www.mpsind.com/index.html
Logo MPSIND - MPS Industries, Inc.

MPQ9842GL Datasheet(HTML) 5 Page - MPS Industries, Inc.

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MPQ9842
– 36V, 2A, LOW IQ, SYNCHRONOUS STEP-DOWN CONVERTER
MPQ9842 Rev. 1.1
www.MonolithicPower.com
5
7/29/2022
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2022 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, VEN = 2V, TJ = -40°C to +125°C,unless otherwise noted. Typical values are at
TJ = +25°C.
Parameter
Symbol
Condition
Min
Typ
Max
Units
VIN quiescent current
IQ
VFB = 0.85V, no load,
no switching, TJ = +25
C
14
21
µA
VFB = 0.85V, no load, no switching
29
VIN shutdown current
ISHDN
VEN = 0V
2
6
µA
VIN under-voltage lockout
threshold rising
INUVRISING
2.4
2.8
3.2
V
VIN under-voltage lockout
threshold hysteresis
INUVHYS
150
mV
EN rising threshold
VEN_RISING
0.9
1.05
1.2
V
EN threshold hysteresis
VEN_HYS
120
mV
Feedback reference voltage
VREF
784
800
816
mV
TJ = +25°C
792
800
808
mV
Output voltage accuracy for the
MPQ9842-33
3217
3300
3895
mV TJ
=
25°C
3743
3800
3857
mV
3383
mV
TJ = +25°C
3250
3300
3800
3895
mV TJ
=
25°C
3743
3800
3857
mV
3350
mV
Output voltage accuracy for the
MPQ9842-5
4875
5000
5125
mV
TJ = +25°C
4925
5000
5075
mV
HS switch on resistance
RON_HS
VBST - VSW = 5V
125
165
mΩ
LS switch on resistance
RON_LS
55
85
mΩ
Switching frequency
fSW
RFREQ = 180k
Ω or from sync clock
400
475
550
kHz
RFREQ = 82k
Ω or from sync clock
850
1000
1150
kHz
RFREQ = 27k
Ω or from sync clock
2250
2500
2750
kHz
Minimum on time (6)
tON_MIN
80
ns
SYNC input low voltage
VSYNC_LOW
0.4
V
SYNC input high voltage
VSYNC_HIGH
1.8
V
Current limit
ILIMIT_HS
Duty cycle = 40%
4.0
5.0
6.8
A
Low-side valley current limit
ILIMIT_LS
VOUT = 3.3V, L = 4.7µH
2.5
3.8
5.1
A
ZCD current
IZCD
0.1
A
Reverse current limit
ILIMIT_REVERSE
3
A
Switch leakage current
ISW_LKG
0.01
1
µA
Soft-start current
ISS
VSS = 0.8V
5
10
15
µA
VCC regulator
VCC
5
V
VCC load regulation
ICC = 5mA
3.5
%
Thermal shutdown (6)
TSD
170
C
Thermal shutdown hysteresis (6)
TSD_HYS
20
°C



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