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LP5526 数据表(PDF) 21 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LP5526
功能描述  Lighting Management Unit with High Voltage Boost Converter with up to 150mA Serial FLASH LED Driver
PDF  33 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP5526 数据表(HTML) 21 Page - National Semiconductor (TI)

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Backlight Driver Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typical
Max
Units
I
MAX
Maximum Sink Current
25.5
30
mA
I
LEAKAGE
Leakage Current
V
SUB, MAIN =20V
0.003
1
µA
I
MAIN
I
SUB
MAIN Current tolerance
SUB Current tolerance
I
MAIN and ISUB set to 12.8mA (80H)
11.1
12.8
14.1
mA
%
Match
MAIN-SUB
Sink Current Matching Error
I
SINK=12.8mA, DISPL=1
0.2
%
Match
MAIN-SUB
Sink Current Matching Error
I
SINK=12.8mA, DISPL=0
5
%
V
SAT
95% Saturation Voltage
I
SINK=25.5mA
400
500
650
mV
Note: Matching is the maximum difference from the average.
WLED Dimming, SLOPE=0
WLED Dimming, SLOPE=1
20179739
20179740
WLED Output Current vs. Voltage
20179792
www.national.com
21



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