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MP8719 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP8719
Description  26V, 12A, Low IQ, High-Current, Synchronous Buck Converter with (-)1A LDO and Buffered Reference
PDF  22 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8719 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP8719 – 26V, 12A, HIGH-CURRENT, SYNC BUCK CONVERTER WITH ±1A LDO
MP8719 Rev1.01
www.MonolithicPower.com
5
8/3/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, 3V3 = 3.3V, TJ = 25°C, RMODE = 0Ω, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
VCC UVLO threshold rising
VCCVth
2.9
3.0
3.1
V
VCC UVLO threshold
hysteresis
VCCHYS
220
mV
VIN UVLO threshold rising
VINVTH
4.2
4.4
V
VIN UVLO threshold
hysteresis
VINHYS
360
mV
Power Good (PG)
PG when FB rising (good)
PG Rising(GOOD) VFB rising, percentage of VFB
95
%
PG when FB falling (fault)
PG Falling(Fault) VFB falling, percentage of VFB
90
PG when FB rising (fault)
PG Rising(Fault) VFB rising, percentage of VFB
115
PG when FB falling (good)
PG Falling(GOOD) VFB falling, percentage of VFB
105
PG low to high delay
PGTd
3
μs
EN low to PG low delay
PGTd EN low
1
μs
PG sink current capability
VPG
Sink 4mA
0.4
V
VTTREF Output
VTTREF output voltage
VTTREF
VDDQ/2
Output voltage tolerance to
VDDQ
VTTREF/ VDDQ
IVTTREF < 0.1mA, 1V < VDDQ <
1.5V
49.2%
50%
50.8%
IVTTREF < 10mA, 1V < VDDQ <
1.5V
49%
50%
51%
Current limit
ILIMIT VTTREF
13
15
mA
VTT LDO
VTT output voltage
VTT
VDDQ/2
VTT tolerance to VTTREF
VTT-VTTREF
-10mA < IVTT < 10mA, VDDQ =
[1V - 1.5V]
-15
15
mV
-0.6A < IVTT < 0.6A, VDDQ = [1V
- 1.5V]
-20
20
mV
-1A < IVTT < 1A, VDDQ = [1V -
1.5V]
-25
25
mV
Source current limit
ILIMIT SOURCE
1.2
1.5
A
Sink current limit
ILIMIT SINK
1.2
1.5
A
OTW
Over-temperature warning
(6)
TOTW
130
°C
OTW hysteresis
(6)
TOTW HYS
25
°C
OTW sink current capability
VOTW
Sink 4mA
0.4
V
OTW leakage current
IOTW
VOTW = 3.3V
1
μA
OTW assertion time
(6)
TOTW
32
ms
Thermal Protection
Thermal shutdown
(6)
TSD
145
°C
Thermal shutdown
hysteresis
TSD_HYS
25
°C
NOTE:
6) Guaranteed by design.



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