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MPQ24833-BGN-AEC1 Datasheet Preview

MPQ24833-BGN-AEC1 Datasheet

LED Driver

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DESCRIPTION
The MPQ24833-B is a 55V, 3A, LED driver
suitable for step-down, inverting step-up/step-
down, and step-up applications. The
MPQ24833-B 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 MPQ24833-B 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 MPQ24833-B requires a minimal number
of readily available, standard external
components, and is available in an SOIC-8 EP
package.
MPQ24833-B
Industrial/Automotive-Grade
55V, 3A, LED Driver,
AEC-Q100 Qualified
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)
0.15Ω Internal Power MOSFET Switch
Fixed 420kHz 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 an SOIC-8 EP Package
Available in AEC-Q100 Grade 1
APPLICATIONS
General LED Illumination
LCD Backlight Panels
Automotive 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, visit the MPS website under Quality
Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are
registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries.
MPQ24833-B Rev. 1.0
www.MonolithicPower.com
1
9/11/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.




MPS

MPQ24833-BGN-AEC1 Datasheet Preview

MPQ24833-BGN-AEC1 Datasheet

LED Driver

No Preview Available !

MPQ24833-B 55V, 3A, MULTIPLE TOPOLOGY LED DRIVER
TYPICAL APPLICATION
Buck Mode
VI N
CIN
GND
PWM or DC
Input
VDD
BS T
SW
MPQ24833-B
EN/DIM
OV P
INGND
FB
VS S
CBS T
L
D
CO
GND
Buck-Boost Mode
VI N
CIN
VSS GND
PWM or DC
Input
VDD
BS T
SW
M PQ24 83 3-B
EN/DIM
OV P
INGND
FB
VS S
VS S
CBS T
L
D
CO
VS S
Efficiency vs. VIN
VLED = 6.2V
94
91
88
9.0
ILED=3A
ILED=2A
ILED=1A
7.5
ILED=0.5A
6.0
85
4.5
82
3.0
79
1.5
76
9
12 15 18 21 24 27
INPUT VOLTAGE (V)
Efficiency vs. VIN
VLED = 21V
95
0.0
30
12.0
90
10.0
85
8.0
80
6.0
ILED=1A
75
ILED=0.75A 4.0
ILED=0.5A
70
2.0
65
9
0.0
12 15 18 21 24 27 30
INPUT VOLTAGE (V)
MPQ24833-B Rev. 1.0
www.MonolithicPower.com
2
9/11/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.


Part Number MPQ24833-BGN-AEC1
Description LED Driver
Maker MPS
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MPQ24833-BGN-AEC1 Datasheet PDF






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