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MP24833-A Datasheet Preview

MP24833-A Datasheet

White LED Driver

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The Future of Analog IC Technology
DESCRIPTION
The MP24833-A is a 55V, 3A, white LED driver
suitable for step-down, inverting step-up/step-
down, and step-up applications. The MP24833-
A achieves 3A of output current with excellent
load and line regulation over a wide input
supply range.
Current mode operation provides a fast
transient response and eases loop stabilization.
Full protection features include thermal shutdown,
cycle-by-cycle peak current limiting, open-string
protection, and output short-circuit protection
(SCP).
The MP24833-A incorporates both DC and
PWM dimming into a single control pin. The
separate input reference ground pin allows for
direct enable and/or dimming control for a
positive-to-negative power conversion.
The MP24833-A requires a minimal number of
readily available, standard, external
components and is available in a SOIC-8 EP
package.
MP24833-A
55V, 3A,
White LED Driver
FEATURES
3A Maximum Output Current
Unique Step-Up/Step-Down Operation
(Buck-Boost Mode)
Wide 4.5V-to-55V Operating Input Range
for Step-Down Applications (Buck Mode)
0.15Internal Power MOSFET Switch
Fixed 210kHz Switching Frequency
Analog and PWM Dimming
0.2V Reference Voltage
6μA Shutdown Mode
No Minimum Number of LEDs Required
Stable with Low ESR Output Ceramic
Capacitors
Cycle-by-Cycle Over-Current Protection
(OCP)
Thermal Shutdown Protection
Open-String Protection
Output Short-Circuit Protection (SCP)
Available in a SOIC-8 EP Package
APPLICATIONS
General LED Illumination
LCD Backlight Panels
Notebook Computers
Automotive Internal Lighting
Portable Multimedia Players
Portable GPS Devices
All MPS parts are lead-free, halogen-free, and adhere to the RoHS
directive. For MPS green status, please visit the MPS website under
Quality Assurance. “MPS” and “The Future of Analog IC Technology” are
registered trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
VIN
CIN
EN/DIM
ON
OFF
DC or PWM Input
1 VDD
3
OVP
5 EN/DIM
BST 7
8
SW
6 INGND
VSS
2
FB 4
CBST
D L Co
RFB
MP24833-A Rev. 1.02
www.MonolithicPower.com
3/29/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
1




MPS

MP24833-A Datasheet Preview

MP24833-A Datasheet

White LED Driver

No Preview Available !

MP24833-A – 55V, 3A, WHITE LED DRIVER
Part Number*
MP24833-AGN
ORDERING INFORMATION
Package
SOIC-8 EP
Top Marking
See Below
* For Tape & Reel, add suffix –Z (e.g. MP24833-AGN–Z)
TOP MARKING
M24833-A: Part number
LLLLLLLL: Lot number
MPS: MPS prefix
Y: Year code
WW: Week code
PACKAGE REFERENCE
SOIC-8 EP
MP24833-A Rev. 1.02
www.MonolithicPower.com
3/29/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
2


Part Number MP24833-A
Description White LED Driver
Maker MPS
Total Page 14 Pages
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