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MP3388S Datasheet(PDF) 8 Page - Monolithic Power Systems

Part # MP3388S
Description  50V, 8-String, Step-Up, White LED Driver
PDF  15 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3388S Datasheet(HTML) 8 Page - Monolithic Power Systems

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MP3388S—50V, 8-STRING, STEP-UP, WHITE LED DRIVER
MP3388S Rev.1.01
www.MonolithicPower.com
8
10/29/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
BLOCK DIAGRAM
Control
Logic
+
-
Current Sense
Amplifier
+
-
PWM
Comparator
Oscillator
+
-
1.23V
OV
Comparator
+
-
+
-
LED1
+
-
DPWM
Oscillator
DPWM
Comparator
400
1.2V
0.2V
Current Control
1.21V
Max
Min
Feedback
Control
5.5V
EA
LED OV
Comparator
Short String
Protection
Regulator
LED 8
OVP
PGND
GND
VIN
VCC
SW
PWMO
PWMI
FPWM
ISET
COMP
OSC
VFAULT
EN
Enable
Control
600mV
Figure 1: Functional Block Diagram



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