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MP4658GS Datasheet(PDF) 11 Page - Monolithic Power Systems

Part # MP4658GS
Description  4-String, Max 200mA/Channel, 80V Return LED Driver with AC/DC Feedback
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4658GS Datasheet(HTML) 11 Page - Monolithic Power Systems

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MP4658 – 4-STRING, 80V RETURN LED DRIVER WITH AC/DC FEEDBACK
MP4658 Rev. 1.0
MonolithicPower.com
11
10/13/2021
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2021 MPS. All Rights Reserved.
FUNCTIONAL BLOCK DIAGRAM
LED1
LED2
LED3
LED4
IREF
Min
LED1
LED2
LED3
LED4
Min LEDx
GM
REF_LED
Gm_I
PWM
COMP1
Level Adjust
OPT
ISET
ADIM
Dimming
Control
DC ADIM
DC ADIM
Voltage
Adjustment
FB
OV_LED
5V
3V
5ms
Delay
LEDx
LED Protection
Management
EN_CHx
2
5
13
12
7
6
UVLO_VIN
Delay
PDIM
LDO
VCC
1
8
15
3
GM_V
PWM_N
4
COMP2
PWM
PWM_N
OVP
PWM
100mV
LEDx
OVP
10µs
Delay
11
10
OVP
2.4V
1.2V
OV VSYS
Fault LED
Fault Control
0.5V
Fault
Fault
S1
S2
.
.
.
.
.
.
1.2 * VREF_VFB
VIN
Figure 1: Functional Block Diagram



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