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MP3385A Datasheet(PDF) 12 Page - Monolithic Power Systems

Part # MP3385A
Description  4-String, 80V Output, WLED Controller with I2C Interface
PDF  25 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3385A Datasheet(HTML) 12 Page - Monolithic Power Systems

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MP3385A – 4-STRING WLED CONTROLLER WITH I
2C INTERFACE
MP3385A Rev. 1.01
www.MonolithicPower.com
12
8/29/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
BLOCK DIAGRAM
Control
Logic
+
-
Current-Sense
Amplifier
+
-
PWM
Comparator
Oscillator
+
-
+
-
LED1
1.98V
Max
Min
Feedback
Control
LED_SHORT
EA
Short-String
Protection
Regulator
LED4
OVP
IS
AGND
VIN
VCC
PWM
LPF
ISET
COMP
OSC
EN
Enable
Control
VREF
DRV
Current Control
LEB
ILIMIT
UP_CLAMP
PWM
Stop
Over-
Voltage
Protection
SCL
I2C Control
SDA
Protection
OTP
LED_SHORT
LED_OPEN
FT
ILIMIT
ISET
VREF
AGND
PGND
Figure 2: Functional Block Diagram



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