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LED7708 数据表(PDF) 19 Page - STMicroelectronics

部件名 LED7708
功能描述  16 channels x 85 mA LED driver with boost controller and 4-wire serial interface
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LED7708 数据表(HTML) 19 Page - STMicroelectronics

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LED7708
Recommended operating conditions
Doc ID 022698 Rev 1
19/53
8
Recommended operating conditions
Table 7.
Recommended operating conditions
Symbol
Parameter
Conditions
Min.
Max.
Unit
DC Characteristics
VVIN
VIN pin input voltage range
3.6
36
V
VLDO3
LDO pin input voltage range
VIN, LDO3 and VDR
shorted together
3.0
3.6
VVDR
VDR pin input voltage range
VDR and VIN shorted
together
3.0
5.5
VCHx
Channel voltage range
36
VVSI
Serial interface supply voltage
3.0
5.5
ICHx
Channel continuous current
20
85
mA
Channel current when OFF
(adjustable)
2200
µA
AC Characteristics (VSI = 3.3 V)
fGSC
Grayscale clock frequency
25
MHz
fDCLK
Serial clock frequency
30
fSW
Boost converter switching frequency
200
1000
kHz
Tw,DCLK
DCLK pulse width
20
ns
Tw,GSC
GSC pulse width
20
Tw,LE
LE pulse width
15
Tsu,DIN
DIN setup time
5
Th,DIN
DIN hold time
5
Tsu,LE
LE setup time
5
Th,LE
LE hold time
5



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