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MP24893DQ Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP24893DQ
Description  Step Down White LED Driver with Wide 6V-to-36V Input Voltage
PDF  12 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP24893DQ Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP24893 – STEP DOWN WLED DRIVER WITH WIDE 6V-TO-36V INPUT VOLTAGE
MP24893 Rev.1.02
www.MonolithicPower.com
3
12/7/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 24V, TA = +25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Input Voltage
VIN
6
36
V
IN Under-Voltage Lockout
VIN_UVLO VIN Rising
5.3
5.9
V
Under-Voltage Lockout Hysteresis
700
mV
Shutdown Supply Current
ISD
100
120
µA
Quiescent Supply Current
IQ
No Switching
0.7
1
mA
Feedback Reference Voltage Peak
(with respect to VIN)
VIN-VRS
VEN/DIM = 5V
220
230
240
mV
Feedback Reference Voltage Valley
(with respect to VIN)
VIN-VRS
VEN/DIM = 5V
160
170
180
mV
EN/DIM Max. Dimming Voltage
(5)
VDIM_MAX
2.56
V
EN/DIM Min. Dimming Voltage
(5)
VDIM_MIN
0.3
V
EN/DIM Enable High Voltage
VEN_HIGH VEN Rising
0.2
0.25
0.3
V
EN/DIM Enable Hysterisis
VEN_HYS
20
50
80
mV
EN/DIM Pull-Up Resistor
REN
45
kΩ
Internal Reference Voltage
VREF
1.275
V
Switch On Resistance
RDS_ON3
0.2
Ω
Minimum On Time
(5)
tON_MIN
100
ns
Minimum Off Time
(5)
tOFF_MIN
100
ns
Recommended Duty Cycle Range
D
30
70
%
Notes:
5) Guaranteed by design



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