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LP3352 数据表(PDF) 5 Page - Lowpower Semiconductor inc

部件名 LP3352
功能描述  6-Channel LED Driver for Backlights
PDF  10 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP3352 数据表(HTML) 5 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3352
Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 5 of 10
LP3352 Version 0.2 AUG-2018
Electrical Characteristics
(VIN=12V, VEN=VCTRL=3V, TA=25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
General
Input Supply Voltage
VIN
2.7
24
V
Internal Voltage Output
VL
VIN=12V
5
V
VIN Supply Current
IQ
Shutdown Current
2
18
uA
Operation Current
2.5
3
mA
VOUT Input Current
IQ_OUT
30
uA
Input UVLO Threshold
VUVLO
VIN Rising
2.6
V
UVLO Threshold Hysteresis
VUVLO(H)
Falling Hysteresis
100
mV
Current Soft Start Time
TSS
1
ms
Thermal Shutdown Threshold
TSD
Temperature Rising
140
160
180
°C
Thermal Shutdown Hysteresis
∆TSD
15
°C
Logic Control (EN, CTRL)
EN/CTRL Threshold Voltage
VIH
1.5
V
VIL
0.4
V
EN/CTRL Logic Sink Current
ILS
VEN=VCTRL=3V
15
uA
Dimming Frequency
FDIM
100
30k
Hz
Boost Regulator
Internal Oscillator Frequency
FOSC
0.8
1
1.2
MHz
Switch On Resistance
RDS(ON)
250
450
m
Ω
LX Leakage current
ILeak_LX
EN=L, VLX=35V
1
uA
Maximum Duty Cycle
DMAX
85
93
%
Minimum Duty Cycle
DMIN
70
ns



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