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MPS

MP4050 Datasheet Preview

MP4050 Datasheet

LED Driver

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The Future of Analog IC Technology
DESCRIPTION
The MP4050 is a constant current LED driver
integrated with an internal 500V MOSFET. It is
specifically designed for energy efficient and
low cost LED bulk replacement applications.
MP4050 is designed to drive high-brightness
LEDs from an 85VAC to 265VAC line. It is also
useable under DC input voltage. The accurate
output LED current is achieved by an averaging
internal current feedback loop. Constant LED
current is delivered quietly by switching the
internal MOSFET at a frequency regulated
above 22kHz.
MP4050 can be directly powered by the high
input voltage. An internal high voltage current
source regulates supply voltage without
external circuitry. MP4050 features various
protections like Thermal Shutdown (TSD), VCC
Under Voltage Lockout (UVLO), Open Lamp
Protection and Short Lamp Protection. All of
there features make MP4050 an ideal solution
for simple, off-line and non-isolated LED
applications.
MP4050 is available in the TSOT23-5 and
SOIC8 packages.
TYPICAL APPLICATION
MP4050
Non-Isolated, High Brightness,
LED Driver
FEATURES
Constant Current LED Driver
500V/7.2MOSFET integrated
Low Vcc Operating Current
Maximum frequency limit
Audible noise restrain
Internal High Voltage Current Source
Internal 200ns Leading Edge Blanking
Thermal Shutdown (auto restart with
Hysteresis)
VCC Under Voltage Lockout with Hysteresis
(UVLO)
Open Lamp Protection
Short Lamp Protection
APPLICATIONS
AC/DC or DC/DC LED driver application
General Illumination
Industrial Lighting
Automotive/Decorative LED Lighting
All MPS parts are lead-free, halogen free, and adhere to the RoHS
directive. For MPS green status, please visit MPS website under Quality
Assurance.
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
MP4050 Rev.1.03
www.MonolithicPower.com
1
9/19/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.




MPS

MP4050 Datasheet Preview

MP4050 Datasheet

LED Driver

No Preview Available !

MP4050 – NON-ISOLATED, HIGH BRIGHTNESS, LED DRIVER
ORDERING INFORMATION
Part Number
MP4050GJ*
MP4050GS**
Package
TSOT23-5
SOIC8
Top Marking
AGN
MP4050
*For Tape & Reel, add suffix –Z (e.g. MP4050GJ–Z);
** For Tape & Reel, add suffix –Z (e.g. MP4050GS–Z);
PACKAGE REFERENCE
TOP VIEW
VCC 1
5 DRAIN
PRO 2
GND 3
4 SOURCE
TOP VIEW
VCC 1
PRO 2
GND 3
SOURCE 4
8 N.C
7 DRAIN
6 N.C
5 N.C
TSOT23-5
ABSOLUTE MAXIMUM RATINGS (1)
Drain to SOURCE ......................... -0.3V to 500V
VCC, SOURCE to GND… ……..-0.3V to 6.5V
PRO to GND .................................. -0.7V to 6.5V
Source Current on PRO .............................. 4mA
Continuous Power Dissipation (TA = +25°C) (2)
--TSOT23-5, TA=25C .................................... 1W
--SOIC8, TA=25C .......................................... 1W
Junction Temperature ............................... 150C
Lead Temperature .................................... 260C
Storage Temperature................-60C to +150C
ESD Capability Human Body Mode .......... 2.0kV
ESD Capability Machine Mode ................... 200V
Recommended Operating Conditions (3)
Operating Junction Temp. (TJ)..-40°C to +125°C
Operating VCC range ..................... 4.5V to 4.7V
SOIC8
Thermal Resistance (4) θJA θJC
TSOT23-5 .............................. 100 ...... 55 ... C/W
SOIC8...................................... 96 ....... 45 ... C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature TJ (MAX), the junction-to-
ambient thermal resistance θJA, and the ambient temperature
TA. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by PD (MAX) = (TJ
(MAX)-TA)/θJA. Exceeding the maximum allowable power
dissipation will cause excessive die temperature, and the
regulator will go into thermal shutdown. Internal thermal
shutdown circuitry protects the device from permanent
damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.
MP4050 Rev.1.03
www.MonolithicPower.com
2
9/19/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.


Part Number MP4050
Description LED Driver
Maker MPS
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