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MP8720 Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MP8720
Description  26V,10A, High Efficiency, Fast Transient, Synchronous, Buck Converter with adjustable CLM
PDF  23 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8720 Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP8720 – 26V, 10A, SYNCHRONOUS BUCK CONVERTER WITH ADJUSTABLE CLM
MP8720 Rev. 1.01
www.MonolithicPower.com
4
8/1/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, 3V3 = 3.3V, TJ = 25°C, RMODE = 0Ω, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply Current
3V3 supply current
I3V3
VEN = 3V, VFB = 0.65V, no
load
140
230
µA
3V3 shutdown current
I3V3 SDN
VEN = 0V, no load
1
µA
MOSFET
High-side switch on resistance
HSRDS-ON
TJ = 25°C
19
mΩ
Low-side switch on resistance
LSRDS-ON
TJ = 25°C
7
mΩ
Switch leakage
SWLKG
VEN = 0V, VSW = 0V
0
1
μA
Current Limit
Low-side valley current limit
ILIMIT
CLM = 0Ω
8.5
A
CLM = 90kΩ
9
10
11
A
CLM = 150kΩ
13
A
CLM = float
16.5
A
Switching Frequency and Minimum Off Time
Switching frequency
Fs
700
kHz
Constant on timer
TON
VIN = 5V, VOUT = 1.8V
430
515
600
ns
Minimum on time
(6)
TON MIN
70
ns
Minimum off time
(6)
TOFF MIN
240
ns
Protection
OVP threshold
VOVP
125
130
135
%VREF
UVP-1 threshold
VUVP-1
70
75
80
%VREF
UVP-1 foldback timer
(6)
TUVP-1
30
µs
UVP-2 threshold
VUVP-2
45
50
55
%VREF
Reference and Soft Start, Soft Stop
Reference voltage
VREF
594
600
606
mV
Feedback current
IFB
VFB = 0.62V
10
50
nA
Soft-start time
TSStart
EN to PG up
1.8
2.2
2.6
ms
MODE
Mode source current
IMODE
9
10
11.4
μA
Enable and UVLO
En rising threshold
VEN TH
1.12
1.22
1.32
V
En hysteresis
VEN-HYS
125
mV
Enable input current
IEN
VEN = 2V
5
μA
VEN = 0V
1
VCC under-voltage lockout
threshold rising
VCCVth
2.9
3.0
3.1
V
VCC under-voltage lockout
threshold hysteresis
VCCHYS
220
mV
VIN under-voltage lockout
threshold rising
VINVTH
4.2
4.4
V
VIN under-voltage lockout
threshold hysteresis
VINHYS
360
mV



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