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MP3302 датащи(PDF) 3 Page - Monolithic Power Systems

номер детали MP3302
подробное описание детали  40V, 1.3A, Single-cell Step-up White LED Driver with Single Wire Dimming Control
PDF  12 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3302 датащи(HTML) 3 Page - Monolithic Power Systems

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MP3302 –40V, 1.3A, SINGLE-CELL STEP-UP WHITE LED DRIVER WITH SINGLE WIRE DIMMING CONTROL
MP3302 Rev. 0.98
www.MonolithicPower.com
3
5/5/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = VEN = 5V, TA = +25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max Units
Operating Input Voltage
VIN
2.5
6
V
Supply Current (Shutdown)
VEN = 0V
4
8
µA
Supply Current (Quiescent)
VFB = 0.15V
690
850
µA
Switching Frequency
fSW
1.0
1.3
1.5
MHz
Maximum Duty Cycle
VFB = 0V
92
%
Under Voltage Lockout
IN Under Voltage Lockout
UVLO
VIN Rising
2.25
2.45
V
Under Voltage Lockout
Hysteresis
92
mV
Open Lamp Shutdown
Threshold
VOV
VOV Rising
40
42
44
V
Enable
EN OFF Threshold
VEN Falling
0.4
V
EN ON Threshold
VEN Rising
0.6
V
Minimum EN Dimming
Threshold
VFB = 0V
0.655
0.7
0.845
V
Maximum EN Dimming
Threshold
VFB = 0.2V
1.275
1.4
1.425
V
Feedback
FB Voltage
VEN = 1.5V
185
200
215
mV
FB Input Bias Current
VFB = 0.1V
-600
-300
nA
Output Switch
SW On-Resistance
(5)
RON
0.5
Ω
SW Current Limit
(5)
Duty Cycle = 60%
1.33
A
Thermal Shutdown
(5)
150
°C
Notes:
5) Guaranteed by design.



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