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MPQ8634B Datasheet(HTML) 6 Page - Monolithic Power Systems

Part No. MPQ8634B
Description  16V, 20A, Sync, Step-Down Converter with Adjustable Current Limit, Programmable Frequency, and Voltage Tracking
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Maker  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
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MPQ8634B Datasheet(HTML) 6 Page - Monolithic Power Systems

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MPQ8634B – 16V, 20A, SYNC, STEP-DOWN CONVERTER W/ ADJUSTABLE CURRENT LIMIT,
PROGRAMMBALE FREQUENCY, AND VOLTAGE TRACKING
MPQ8634B Rev. 1.02
www.MonolithicPower.com
6
11/16/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, TJ = -40°C to +125°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
VIN UVLO
VIN under-voltage lockout
threshold rising
VINVTH_RISE
VCC = 3.3V
2.1
2.4
2.7
V
VIN under-voltage lockout
threshold falling
VINVTH_FALL
1.55
1.85
2.15
VCC Regulator
VCC under-voltage lockout
threshold rising
VCCVTH_RISE
2.65
2.8
2.95
V
VCC under-voltage lockout
threshold falling
VCCVTH_FALL
2.35
2.5
2.65
VCC regulator
VCC
2.88
3.00
3.12
V
VCC load regulation
ICC = 25 mA
0.5
%
Power Good (PGOOD)
Power good high threshold
PGVth_Hi_Rise FB from low to high
89%
92.5%
95%
VREF
Power good low threshold
PGVth_Lo_Rise FB from low to high
113%
116%
119%
VREF
PGVth_Lo_Fall
FB from high to low
77%
80%
83%
VREF
Power good low to high delay
PGTd
TJ = 25°C
0.63
0.9
1.17
ms
Power good sink current
capability
VPG
IPG = 10mA
0.5
V
Power good leakage current
IPG_LEAK
VPG = 3.3V
3
µA
Power good low-level output
voltage
VOL_100
VIN = 0V, pull PGOOD up
to 3.3V through a 100kΩ
resistor @ 25oC
650
800
mV
VOL_10
VIN = 0V, pull PGOOD up
to 3.3V through a 10kΩ
resistor @ 25oC
750
900
mV
Thermal Protection
Thermal shutdown (6)
TSD
150
160
°C
NOTES:
6) Guaranteed by design.
7) Guaranteed by design over temperature.


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