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MPM3686 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MPM3686
Description  18V 20A Step-Down Power Module in 12x15x4mm QFN
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPM3686 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MPM3686 – 18V 20A STEP-DOWN POWER MODULE
MPM3686 Rev. 1.02
www.MonolithicPower.com
5
10/13/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, VOUT = 1.2V, Rtrim =10kΩ, Ctrim =560pF, TJ = 25C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Input Voltage Range
Input Voltage Range
VIN
5V External VCC
2.5
18
V
4.5
18
V
Output Voltage
Output Voltage Range 6)
VOUT RANGE
0.65
5
V
Output Voltage Accuracy (Load
Regulation) 6)
VOUT_DC_Load
COUT =5X47μF Ceramic,
IOUT =0A to 20A
±0.5
%Vout
Output Voltage Accuracy (Line
Regulation) 6)
VOUT_DC_Line
COUT =5X47μF Ceramic,
VIN =4.5V to 18V, IOUT =5A
±0.4
%Vout
Quiescent Current
Quiescent Current
IIN
VEN =2V, VFB=0.65V
700
860
1000
uA
Current Limit
Output Current Limit
ILIM
20
25
30
A
Switching Frequency 6)
Switching Frequency
fSW
IOUT=5A
400
500
600
kHz
Over-voltage and Under-voltage Protection
OVP Non-latch Threshold 7)
VOVP_NON-
LATCH
With negative current limit
117%
120%
123%
VFB
OVP Threshold 6)
VOVP TH
No negative current limit
127%
130%
133%
VFB
UVP Threshold 6)
VUVP
47%
50%
53%
VFB
Reference And Soft Start
Reference Voltage 8)
VREF
TJ = 0C to +70C
608
611
614
mV
TJ = 0C to +120C
605
611
617
mV
TJ = -40C to +125C
602
611
620
mV
Soft Start Time
tSS
2
2.8
3.6
ms
Timer 6)
Minimum ON Time
TON MIN
20
30
40
ns
Minimum OFF Time
TOFF MIN
200
360
420
ns



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