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MP5018GD Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP5018GD
Description  5V, 1A-5A Current Limit Switch with Reverse Current Blocking and Output Over-voltage Clamp
PDF  15 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP5018GD Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP5018 –5V, 1A-5A CURRENT LIMIT SWITCH WITH REVERSE CURRENT BLOCKING
AND OUTPUT OVER-VOLTAGE CLAMP
MP5018 Rev. 1.02
www.MonolithicPower.com
3
3/23/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TJ =25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
Supply Current
EN=1, SAS=0, ILoad=0
210
250
μA
Fault latch off
170
μA
EN=0, SAS=0 (or Float)
50
μA
Quiescent Current
IQ
SAS=1
5
μA
Power FET
ON Resistance
RDSon
TJ=25°C
45
58
mΩ
ON Resistance
(5)
RDSon
TJ=80°C
54
mΩ
Turn-on Delay
Tdelay
EN=2.5V to ID=100mA with 1A
load resistor
500
μs
Off-State Leakage Current
IOFF
VIN=12V, EN=0V
1
μA
Soft Start
SS Time
tSS
SS pin float, VOUT=0%-100%
10.4
13
15.6
ms
SS Current
ISS
Short SS to GND or add SS cap
6.5
μA
Current Limit
Float ILIMIT pin
2.5
3
3.5
A
Rset=499Ω
1.8
2.3
2.7
A
Current Limit at Normal
Operation
ILimit_NO
Rset=1.4kΩ
0.5
0.8
1.1
A
Short Circuit Current Limit
(5)
ILimit_SC
Float ILIMIT pin
3
A
Current Limit Response
Time
(5)
tCL
ILIMIT=3A, add 1Ω load resistor
5.5
10
40
μs
Secondary Current Limit
(6)
ILimitH
Any value of RISET
12
A
Under Voltage Protection
Under Voltage Lockout
Threshold
VUVLO
UVLO Rising Threshold
3.8
4.0
4.2
V
UVLO Hysteresis
VUVLOHYS
300
mV
Under Voltage Response
(5)
tUV
2
μs
Reverse Current Limit
Reverse Current Limit
IReverseH
Latch off and pull EN to mid
level voltage
0.9
1.2
1.5
A
Reverse Current Limit
Response Time
(5)
tSC
Vin dv/dt = -5V/1mS
5
7
10
μs
Over Voltage Protection
Over Voltage Clamp Voltage
VOVLO
5.5
5.8
6.1
V



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