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MP3313GC 数据表(PDF) 5 Page - Monolithic Power Systems

部件名 MP3313GC
功能描述  3-Channel, Max 38V Output, Linear/Exponential, Analog Dimming, Step-Up WLED Driver with I2C
PDF  26 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP3313GC 数据表(HTML) 5 Page - Monolithic Power Systems

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MP3313 – 3-CHANNEL, LINEAR/EXPONENTIAL DIMMING, WLED DRIVER W/ I2C
MP3313 Rev1.0
www.MonolithicPower.com
5
8/2/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 3.6V, VEN = VPWM = high, typical values are at TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Unit
Power Supply
Operating input voltage
VIN
2.7
5.5
V
Supply current (quiescent)
IQ
VIN = 3.6V, VEN = VPWM = high,
no switching, I2C active
2.4
2.7
mA
Supply current (shutdown)
IST
VEN = 0V, VIN = 3.6V
1
μA
Input UVLO threshold
VIN_UVLO
Rising edge
2.4
2.6
V
Input UVLO hysteresis
200
mV
Oscillator
Switching frequency
fSW
FS bit = 1
950
1000
1050
kHz
FS bit = 0
475
500
525
kHz
Maximum duty cycle
DMAX
FSW = 500kHz
93
95
%
FSW = 1.0MHz
90
93
%
Minimum on time
TON_MIN
100
ns
Power Switch
Switch on resistance
RDSON
VIN = 3.6V
300
m
Ω
Current Regulation
Minimum output current
ILED_min
Linear/exponential mode
50
μA
Maximum output current
ILED_max
Linear/exponential mode
25
mA
LEDx regulation voltage
VREG
ILED = 25mA
220
mV
ILED = 5mA
130
mV
Current accuracy
ILED = 250
μA - 25mA, 2.7 - 5V,
linear/exponential dimming
-3
0.1
3
%
Current matching (5)
ILED = 5 - 25mA, 2.7 - 5V,
linear/exponential dimming
-1
0.1
1
%
ILED = 250
μA - 5mA, 2.7 - 5V,
linear/exponential dimming
-1
0.1
2
%
EN and PWM Logic
PWM input low threshold
VPWM_LO
VPWM falling
0.4
V
PWM input high threshold
VPWM_HI
VPWM rising
1.2
V
EN low voltage
VEN_LOW
VEN falling
0.4
V
EN high voltage
VEN_HIGH
VEN rising
1.2
V
EN and PWM pull-down
resistor
RPD
1
M
Ω



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