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MP3313 数据表(PDF) 6 Page - Monolithic Power Systems

部件名 MP3313
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

MP3313 数据表(HTML) 6 Page - Monolithic Power Systems

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MP3313 – 3-CHANNEL, LINEAR/EXPONENTIAL DIMMING, WLED DRIVER W/ I2C
MP3313 Rev1.0
www.MonolithicPower.com
6
8/2/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 3.6V, VEN = VPWM = high, typical values are at TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Unit
Protection
OVP voltage
VOVP
OVP1:0 bit = 00
16
17
18
V
OVP1:0 bit = 01
22
23
24
V
OVP1:0 bit = 10
29
30
31
V
OVP1:0 bit = 11
37
38
39
V
OUT under-voltage
protection
VOUT_UV
1.2
V
Cycle-cycle current limit
ILIM
OCP1:0 bit = 00
0.6
0.75
0.9
A
OCP1:0 bit = 01
0.8
1
1.2
A
OCP1:0 bit = 10
1.0
1.25
1.5
A
OCP1:0 bit = 11
1.2
1.5
1.8
A
LEDX over-voltage threshold
VOVP_LED
4.5
5
5.5
V
LEDX under-voltage
threshold
VLEDX_UV
40
mV
Thermal shutdown threshold
TST
150
°C
Thermal shutdown
hysteresis
25
°C
PWM Input (6)
Minimum PWM frequency
FPWML
50
Hz
Maximum PWM frequency
FPWMH
24MHz sample rate
50
kHz
Minimum on time
TMIN_ON
24MHz sample rate
183.3
ns
4MHz sample rate
1100
ns
800kHz sample rate
5500
ns
Minimum off time
TMIN_OFF
24MHz sample rate
183.3
ns
4MHz sample rate
1100
ns
800kHz sample rate
5500
ns
PWM shutdown time
TPWM_SD
24MHz sample rate
0.6
ms
4MHz sample rate
3
ms
800kHz sample rate
25
ms
PWM input glitch rejection
TGLITCH
FILTER1:0 bit = 01
80
ns
FILTER1:0 bit = 10
160
ns
FILTER1:0 bit = 11
240
ns
Delay time at power-on
TPOWERON
EN power-on to start switching
3.5
5
ms



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