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MP3387A 数据表(PDF) 6 Page - Monolithic Power Systems

部件名 MP3387A
功能描述  6-String, Max 80mA/String, Step-Up, White LED Driver with Combined Analog and PWM Dimming
PDF  16 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP3387A 数据表(HTML) 6 Page - Monolithic Power Systems

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MP3387A ― 6-STRINGS, MAX 80MA/STRING, STEP-UP, WHITE LED DRIVER
MP3387A Rev. 1.0
www.MonolithicPower.com
6
5/17/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, VEN = 5V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
LED Current Regulation
LEDX average current
ILED
RISET = 62kΩ
19.7
20
20.3
mA
Current matching
(5)
ISET = 20mA
1.5
%
Maximum
LED
current
per
string
ILEDmax
80
mA
ISET regulation voltage
1.24
V
LEDX regulation voltage
VLEDX
ILED = 20mA
400
500
600
mV
ILED = 65mA
720
820
920
mV
Protection
Over-voltage
protection
threshold
VOVP_OV
Rising edge
1.16
1.2
1.24
V
OVP UVLO threshold
VOVP_UV
Step-up converter fails
50
80
110
mV
LEDX over-voltage threshold
VLEDX_OV
VIN > 5.5V
5.1
5.5
5.9
V
LEDX UVLO threshold
VLEDX_UV
180
275
370
mV
Thermal shutdown threshold
(6)
TST
150
°C
Thermal shutdown hysteresis
20
°C
LEDX over-voltage fault timer
FS = 1.25MHz
1.3
1.6
1.9
ms
NOTE:
5)
Matching is defined as the difference of maximum to minimum current divided by 2 times the setting current (for single IC).
6)
Guaranteed by Design.



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