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MP3332GC Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP3332GC
Description  Dual-Channel Flash LED Driver, 1.5A/Ch with I2C Interface
PDF  27 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3332GC Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP3332
– DUAL-CHANNEL FLASH LED DRIVER WITH I2C INTERFACE
MP3332 Rev. 1.0
www.MonolithicPower.com
5
5/1/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 3.6V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply
Operating input voltage
VIN
2.7
5.5
V
Input UVLO threshold
VIN_UVLO
Rising edge
2.5
V
Input UVLO hysteresis
100
mV
Standby current
IQ_STANDBY
VIN = 2.7V to 5.5V, I2C active
15
µA
Operating quiescent current
IQ
VIN = 3.6V,
no switching, pass mode
1
mA
Switching Regulator
Switching frequency
fs
SW_FS = 11
0.9
1
1.1
MHz
Minimum on time
tON_MIN
68
ns
NMOS on resistance
RDSON_N
VIN = 3.6V
65
m
Ω
PMOS on resistance
RDSON_P
VIN = 3.6V
80
m
Ω
Constant DC output voltage
VOUT_5V
5V DC mode
5
V
Inductor current limit(5)
ILIMIT
Code setting = 10,
max duty cycle
3.5
A
LED Driver
Flash current setting
ILED_FLASH
Flash mode,
value setting = 00000000
0
mA
Flash mode,
value setting = 00110011
279
300
321
mA
Torch current setting
ILED_TORCH
Assist light/torch mode,
value setting = 00000000
0
mA
Assist light /torch mode,
value setting = 00110011
279
300
321
mA
Current source headroom
voltage
VHD
Current = 1250mA(5)
350
mV
Current = 200mA
190
mV
Current ramp-up step time(5)
tRAMP_UP
TUP_I = 111
1
µs
TUP_I = 000
8
µs
Current ramp-down step
time(5)
tRAMP_DOWN
1
µs
LED1/2 load balance voltage
hysteresis
VLED_HYS
125
mV
Digital Input
Input logic low voltage
0.4
V
Input logic high voltage
1.2
V
STR/TOR/TX pull-down
resistor
250
k
Ω
NOTE:
5) Guaranteed by design.



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