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MP4655 Datasheet(PDF) 13 Page - Monolithic Power Systems

Part # MP4655
Description  Pure, Single-Stage, LLC, LED Current and System Voltage Controller
PDF  31 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4655 Datasheet(HTML) 13 Page - Monolithic Power Systems

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MP4655–PURE, SINGLE-STAGE, LLC, LED CURRENT AND SYSTEM VOLTAGE CONTROLLER
MP4655 Rev 1.0
www.MonolithicPower.com
13
2/2/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
Performance waveforms are tested on the evaluation board of the Design Example section.
400Vbus = 390V, VLED = 130V, ILED = 375mA*2 strings, System output = 13.5V/6.5A, TA = 25°C,
unless otherwise noted.
ADIM VOLTAGE(V)
VBUS LOAD CURRENT(A)
PWM DIMMING DUTY
VBUS Voltage Cross
Regulation at PWM
Dimming
VBUS Voltage Cross
Regulation at Analog
Dimming
LED Current Analog
Dimming Linearity
LED Current PWM
Dimming Linearity
LED Current Cross
Regulation at 50% Analog
Dimming
Standby Mode Opeartion
Standby Mode Opeartion
Standby Power Consumption
LED CURRENT(mA)
AC INPUT VOLTAGE(V)
VBUS LOAD CURRENT(A)
VBUS Voltage Load
Regulation
13.51
13.52
13.53
13.54
13.55
13.56
13.57
13.58
13.59
13.6
13.61
13.62
02468
CV LOOP
CC LOOP
13.53
13.54
13.55
13.56
13.57
13.58
13.59
13.6
13.61
13.62
0
0.2
0.4
0.6
0.8
1
1.2
13.505
13.51
13.515
13.52
13.525
13.53
13.535
13.54
13.545
0 100 200 300 400 500 600 700 800
367.5
368
368.5
369
369.5
370
370.5
01234567
0
100
200
300
400
500
600
700
800
0
0.5
1
1.5
2
2.5
3
0
50
100
150
200
250
300
350
400
450
0
100
200
300
IOUT=14.8mA(POUT=200mW)
IOUT=7.8mA(POUT=104mW)
IOUT=0(POUT=0)
VGL
10V/div.
VBUS
10V/div.
VSS
2V/div.
IPRI
2A/div.
VGL
10V/div.
VBUS
10V/div.
VSS
2V/div.
IPRI
2A/div.
0
100
200
300
400
500
600
700
800
0
20
40
60
80
100 120



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