參數(shù)資料
型號: LP5520TLX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)動器
英文描述: RGB Backlight LED Driver
中文描述: LED DISPLAY DRIVER, PBGA25
封裝: 2.77 X 2.59 MM, 0.60 MM HEIGHT, SMD-25
文件頁數(shù): 30/34頁
文件大小: 790K
代理商: LP5520TLX
boost_output (05H) – Boost Output Voltage Control Register
7
6
5
4
3
2
1
0
vprog[4]
r-0
vprog[3]
rw-0
vprog[2]
rw-0
vprog[1]
rw-0
vprog[0]
rw-0
r-0
r-0
r-0
vprog[4:0]
Bits 4 - 0
Adjustment
vprog[4:0]
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
Typical boost output voltage (V)
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
control (06H) – Control Register
7
6
5
4
3
2
1
0
adc_ch
rw-0
comp_sel
rw-0
en_autoload
rw-0
vout_auto
rw-1
en_boost
rw-0
nstby
rw-0
r-0
r-0
adc_ch
Bit 5
0 – compensation depends from the external LM20 temperature
sensor
1 – compensation depends from forward voltage of the red LED
as temperature sensor
0 – compensation based on S1_IN input
1 – compensation based on S2_IN input
0 – internal boost converter loader off
1 – internal boost converter loader off
0 – manual boost output adjustment with boost_output register
1 – automatic adaptive boost output adjustment
0 – boost converter disabled
1 – boost converter enabled
0 – LP5520 standby mode
1 – LP5520 active mode
comp_sel
Bit 4
en_autoload
Bit 3
vout_auto
Bit 2
en_boost
Bit 1
nstby
Bit 0
ADC_hi_byte (08H) – Analog Digital Converter Output, bits 8-11
7
6
5
4
3
2
1
0
adc[11]
r-0
adc[10]
r-0
adc[9]
r-0
adc[8]
r-0
r-0
r-0
r-0
r-0
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