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LP3352 数据表(PDF) 6 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) 6 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3352
Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 6 of 10
LP3352 Version 0.2 AUG-2018
Electrical Characteristics (Continued)
(VIN=12V, VEN=VCTRL=3V, TA=25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
LED Current Regulation
Minimum Regulation Voltage of CHx
600
700
mV
CHx Leakage Current
ILeak_CHx
EN=L, VCHx=20V
3
uA
CHx Maximum Current
ILED_MAX
VIN>2.7, CHx>0.7V
30
mA
ISET Voltage
VISET
1.204
1.229
1.253
V
ISET to ICHx Current Ratio
KISET
ISET=20uA
970
1000
1030
A/A
ICHx Current Accuracy
ILED
ISET=20uA
19.4
20
20.6
mA
ICHx Current Matching
(IMAX-IMIN)/IAVG, ILED=20mA
1
2.5
%
Protection Threshold
VOUT Over Voltage Protection
VO_OVP
Threshold of OVP
38
39
40
V
VOUT Over Voltage Protection
Hysteresis
VO_OVP(H)
1
V
CHx Over Voltage Protection
VCH_OVP
Threshold of OVP
15
17
20
V



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