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MP3373GY 数据表(PDF) 4 Page - Monolithic Power Systems

部件名 MP3373GY
功能描述  8 Strings, Step Up WLED Controller with External Transistor
PDF  20 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP3373GY 数据表(HTML) 4 Page - Monolithic Power Systems

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MP3373, 8 STRINGS, WLED CONTROLLER WITH EXTERNAL TRANSISTOR
MP3373 Rev. 1.02
www.MonolithicPower.com
4
8/16/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
(5)
VIN =12V, VEN = 5V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Operating Input Voltage
VIN
9
40
V
Supply Current (Quiescent)
IQ
VIN=12V, VEN=5V, no load
with switching
5
mA
Supply Current (Shutdown)
IST
VEN=0V, VIN=12V
1
μA
LDO Output Voltage
VCC
VEN=5V,11V<VIN<30V,
0<IVCC<10mA
9
10
11
V
Input VCC UVLO Threshold
VIN_UVLO
Rising Edge
7.1
7.8
8.5
V
Input VCC UVLO Hysteresis
200
mV
EN High Voltage
VEN_HIGH
VEN Rising
1.5
V
EN Low Voltage
VEN_LOW
VEN Falling
0.6
V
STEP-UP CONVERTER
Gate Driver Impedance
(Sourcing)
VCC=10V, IGATE=10mA
4
Ω
Gate Driver Impedance
(Sinking)
VCC=10V, IGATE=10mA
2
Ω
GATE Voltage
VGATE
11V<VIN<30V
10
V
ROSC= 100kΩ
135
168
201
kHz
Switching Frequency
fSW
ROSC= 20kΩ
785
kHz
OSC Voltage
VOSC
1.18
1.23
1.28
V
Minimum On Time
TON_MIN
PWM Mode,
no pulse skipping happens
200
ns
Maximum Duty Cycle
DMAX
90
%
ISENSE Limit
Max Duty Cycle
195
255
315
mV
CTLX Regulation Voltage
VCTLX
320
mV
CTLX Maxim Sink Current
ICTLX
10
mA
COMP Source Current Limit
ICOMP_SOLI
70
μA
COMP Sink Current Limit
ICOMP_SILI
8
μA
Analog DIMMING
Minimum Dimming Threshold
VDIM_MIN
0.375
0.4
0.425
V
Maximum Dimming Threshold
VDIM_MAX
1.455
1.5
1.545
V
PWM DIMMING
PWM Signal High Threshold
VPWM_HIGH
1.6
V



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