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MP3388DR 数据表(PDF) 8 Page - Monolithic Power Systems

部件名 MP3388DR
功能描述  50V, 8-String White LED Driver
PDF  14 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP3388DR 数据表(HTML) 8 Page - Monolithic Power Systems

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MP3388- 50V, 8-STRING WHITE LED DRIVERS
MP3388 Rev. 1.0
www.MonolithicPower.com
8
12/16/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
FUNCTION DIAGRAM
Control
Logic
+
-
Current Sense
Amplifier
+
-
PWM
Comparator
Oscillator
+
-
1.23V
OV
Comparator
+
-
+
-
LED1
+
-
DPWM
Oscillator
DPWM
Comparator
400k?
1.2V
0.2V
Current Control
1.22V
Max
Min
Feedback
Control
5.5V
EA
LED OV
Comparator
Short String
Protection
Regulator
LED8
OVP
PGND
GND
VIN
VCC
SW
PWMO
PWMI
FSET
ISET
COMP
OSC
VFAULT
EN
Enable
Control
600mV
Figure 1—MP3388 Function Diagram



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