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Número de pieza | MP4030 | |
Descripción | Primary-Side-Control Offline LED Controller | |
Fabricantes | MPS | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de MP4030 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
No Preview Available ! The Future of Analog IC Technology
MP4030
TRIAC-Dimmable, Primary-Side-Control
Offline LED Controller with Active PFC
DESCRIPTION
The MP4030 is a TRIAC-dimmable, primary-side-
control, offline LED lighting controller with active
PFC. It can output an accurate LED current for
an isolated lighting application with a single-stage
converter. The proprietary real-current-control
method can accurately control the LED current
using primary-side information. It can significantly
simplify LED lighting system design by
eliminating secondary-side feedback components
and the optocoupler.
The MP4030 implements power-factor correction
and works in boundary-conduction mode to
reduce MOSFET switching losses.
The MP4030 has an integrated charging circuit at
the supply pin for fast start-up without a
perceptible delay.
The proprietary dimming contraol expands the
TRIAC-based dimming range.
The MP4030 has multiple protections that greatly
enhance system reliability and safety, and
include over-voltage protection, short-circuit
protection, programmable primary-side over-
current protection, supply-pin under-voltage
lockout, and over-temperature protection.
All fault protections feature auto-restart.
The MP4030 is available in an 8-pin SOIC
package.
FEATURES
Primary-Side-Control without Requiring a
Secondary-Side Feedback Circuit
Internal Charging Circuit at the Supply Pin for
Fast Start-Up
Accurate Line Regulation
High Power Factor
Flicker-Free, Phase-Controlled TRIAC
Dimming with Expanded Dimming Range.
Operates in Boundary Conduction Mode
Cycle-by-Cycle Current Limit
Programmable Primary-Side Over-Current
Protection
Over-Voltage Protection
Short-Circuit Protection
Over-Temperature Protection
Available in an 8-Pin SOIC Package
APPLICATIONS
Solid-State Lighting, including:
Industrial and Commercial Lighting
Residential Lighting
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
MP4030 Rev.1.02
4/16/2013
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1
1 page MP4030—PRIMARY-SIDE-CONTROL, OFFLINE LED CONTROLLER WITH PFC
ELECTRICAL CHARACTERISTICS (continued)
TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Current Sense Comparator
Leading Edge Blanking Time
Current Sense Upper Clamp
Voltage
Current Sense Lower Clamp
Voltage
tLEB
VS_Clamp_H
VS_Clamp_L
Zero-Current Detector
Zero-Current–Detect Threshold
Zero-Current–Detect Hystestic
Zero-Current–Detect LEB
Over-Voltage Threshold
OVP Detect LEB
Over-Current Threshold
OCP Blanking Time
Minimum Off Time
Starter
Start Timer Period
Internal Main MOSFET
Breakdown Voltage
Drain-Source On-Resistor
VZCD_T
VZCD_HY
tZCD_LEB
VZCD_OVP
tOVP_LEB
VZCD_OCP
tLEB_OCP
tOFF_MIN
Falling Edge
Starts at Gate Turn Off
Starts at Gate Turn Off
Starts at Gate Turn On
Tstart
BVDSS_Main VGS=0
RDS(ON) _Main ID=100mA
Internal Dimming Pull Down MOSFET
Breakdown Voltage
Drain-Source On-Resistor
BVDSS_DP
RDS(ON) _DP
VGS=0
ID=50mA
Notes:
5) The multiplier output is given by: Vs=K•VMULT• (VCOMP-1.5)
Min Typ Max Units
575 685 795
2.2 2. 3 2.4
0.08 0.1 0.12
ns
V
V
0.32
520
1.8
5.2
1.5
0.81
575
4.2
0.35
550
2.5
5.5
2
0.9
685
5.6
0.37
580
3.1
5.8
2.5
0.99
795
7
V
mV
µs
V
µs
V
ns
µs
90 115 140 µs
30 V
200 250 300 mΩ
30
22 26 30
V
Ω
MP4030 Rev.1.02
4/16/2013
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
5
5 Page MP4030—PRIMARY-SIDE-CONTROL, OFFLINE LED CONTROLLER WITH PFC
FUNCTION DIAGRAM
TRIAC
Dimmer
EMI
Filter
Damper
&
Bleeder
N:1
MULT
TRIAC
Phase
Detector
Multiplier
PWM /
PFC
Current control
COMP
Real Current
Calculation
Latch off
and
counting
Protection
OVP
OCP
OTP
Gate
Driver
Control
Current
Sense
Current
LImit
Gate
control
UVLO/
EN
Power Supply
D
S
VCC
DP
Zero Current
Detection
Zero current detection
GND
ZCD
Figure 1: Functional Block Diagram
MP4030 Rev.1.02
4/16/2013
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
11
11 Page |
Páginas | Total 21 Páginas | |
PDF Descargar | [ Datasheet MP4030.PDF ] |
Número de pieza | Descripción | Fabricantes |
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