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MP24895GJ Datasheet Preview

MP24895GJ Datasheet

Step-down White-LED Driver

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The Future of Analog IC Technology
DESCRIPTION
The MP24895 is step-down LED driver, which
is designed in continuous current mode for
driving the high-brightness LEDs from a wide
input voltage of 6V to 36V.
The MP24895 employs a hysteretic control
scheme to regulate LED current. Moreover, the
control scheme provides optimal loop
stabilization and a very quick response time.
For a high accuracy, the MP24895 senses LED
current by an external high-side resistor. Its low
100mV average feedback voltage reduces
power loss and improves the efficiency.
The MP24895 implements PWM and analog
dimming together on the EN/DIM pin.
The MP24895 includes under-voltage lockout,t
and thermal overload protection to prevent
damage in the event of an output overload.
The MP24895 is available in TSOT23-5 and
QFN-6 packages.
TYPICAL APPLICATION
MP24895
Step-down White-LED Driver
Wide 6-36V Input Voltage
FEATURES
Internal 36V MOSFET
Wide 6V-to-36V Input Range
1A Output Current
High Efficiency
Hysteretic Control
PWM and Analog Dimming
1000:1 PWM Dimming Resolution
UVLO, Thermal Shutdown
Available in TSOT23-5 and
Packages
QFN-6
APPLICATIONS
Low-Voltage Halogen Replacement
Low-Voltage General Illumination
Automotive/Decorative LED Lighting
Signs/Emergency Lighting
LED Backlighting
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.
D
VIN
CIN
6 – 36V
RSENSE
IN
RS
L
MP24895
EN/DIM
SW
GND
MP24895 Rev. 1.0
www.MonolithicPower.com
1
8/6/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.




MPS

MP24895GJ Datasheet Preview

MP24895GJ Datasheet

Step-down White-LED Driver

No Preview Available !

MP24895 – STEP-DOWN WHITE-LED DRIVER WITH 6-36V INPUT VOLTAGE
ORDERING INFORMATION
Part Number*
MP24895GJ*
MP24895GQ**
Package
TSOT23-5
QFN-6 (3x3mm)
Top Marking
AKD
AKD
* For Tape & Reel, add suffix –Z (e.g. MP24895GJ–Z);
* *For Tape & Reel, add suffix –Z (e.g. MP24895GQ–Z);
PACKAGE REFERENCE
TSOT23-5
ABSOLUTE MAXIMUM RATINGS (1)
VIN, VSW........................................ -0.3V to +40V
VRS................................................. VIN-5V to VIN
All Other Pins.............................. -0.3V to +6.3V
Continuous Power Dissipation (TA = +25°C) (2)
TSOT23-5..................................................1.1W
QFN-6 (3x3mm).........................................2.5W
Junction Temperature .............................. 150°C
Lead Temperature ................................... 260°C
Storage Temperature............... -65°C to +150°C
Recommended Operating Conditions (3)
Supply Voltage VIN ............................. 6V to 36V
Operating Junction Temp. (TJ). ... -40°C to +125°C
QFN-6 (3x3mm)
Thermal Resistance (4)
θJA θJC
TSOT23-5 ............................ 110 ..... 55 ... °C/W
QFN-6 (3x3mm) .................... 50 ...... 14 ... °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
operation conditions.
4) Measured on JESD51-7 4-layer board.
MP24895 Rev. 1.0
www.MonolithicPower.com
2
8/6/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.


Part Number MP24895GJ
Description Step-down White-LED Driver
Maker MPS
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