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MP3391EF 데이터시트(PDF) 9 Page - Monolithic Power Systems

부품명 MP3391EF
상세설명  8-Channel, 120mA/ch Step-Up WLED Driver Controller
PDF  18 Pages
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제조업체  MPS [Monolithic Power Systems]
홈페이지  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3391EF 데이터시트(HTML) 9 Page - Monolithic Power Systems

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MP3391—8-CHANNEL, 120mA/CH STEP-UP WLED DRIVER CONTROLLER
MP3391 Rev. 1.11
www.MonolithicPower.com
9
3/14/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
FUNCTION DIAGRAM
Control
Logic
+
-
Current Sense
Amplifier
+
-
PWM
Comparator
Oscillator
+
-
1.24V
OV
Comparator
+
-
+
-
LED1
1.23V
Feedback
Control
EA
LED OV
Comparator
Short String
Protection&
Timer
Regulator
LED8
OVP
ISENSE
GND
VIN
VCC
NUMSEL
ISET
COMP
OSC
EN
Enable
Control
Ref
GATE
PGND
FF
Current Control
VDD
Regulator
+
-
DPWM
Oscillator
DPWM
Comparator
DBRT
BOSC
Threshold
SSET
TSET
VFAULT
Figure 1—MP3391 Function Block Diagram



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