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MP2495 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2495
Description  Integrated 100V Load Dump Protection, 2A Step Down Regulator with Output Current Control
PDF  13 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2495 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2495– INTEGRATED100VLOAD DUMPPROTECTION,2ASTEPDOWNREGULATORWITH OUTPUTCURRENTCONTROL
MP2495 Rev. 1.0
www.MonolithicPower.com
3
7/24/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TA = +25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Feedback Voltage
VFB
4.5V
≤ VIN ≤ 36V
0.785
0.805
0.825
V
Feedback Bias Current
IBIAS(FB)
VFB = 0.8V
10
nA
PWM Switch On Resistance
RDS(ON)
0.25
Ω
OV Protection Switch On Resistance
VOUT = VCTR
0.3
Ω
Switch Leakage
VEN = 0V, VSW = 0V
0.1
10
μA
Current Limit
(5)
2.2
2.6
3
A
Oscillator Frequency
fSW
VFB = 0.6V
560
700
840
KHz
Fold-Back Frequency
VFB = 0V
200
KHz
Boot-Strap Voltage
VBST - VSW
5
V
Minimum On Time
(5)
tON
VFB = 1V
100
ns
Under Voltage Lockout Threshold Rising
3.0
3.3
3.6
V
Under Voltage Lockout Threshold Hysteresis
200
mV
EN Input Low Voltage
(6)
0.4
V
En Input High Voltage
(6)
1.8
V
EN Input Bias Current
(6)
VEN = 0-6V
–10
–2
10
μA
Supply Current (Shutdown)
VEN = 0V
4
10
μA
Supply Current (Quiescent)
VEN = 2V, VFB = 1V
500
800
μA
Thermal Shutdown
(5)
150
°C
Current Sense Voltage
VISP –VISN VISP, VISN 0.4–15V
90
100
110
mV
Input Bias Current (ISN, ISP)
IBIAS (ISN,ISP) VISP, VISN 0.4–15V
–1
0.1
+1
uA
Note:
5) Guaranteed by design
6) Enable function is only available for the MP2493DQ



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