參數(shù)資料
型號： ISL97650ARTZ-T
廠商： INTERSIL CORP
元件分類： 顯示驅(qū)動器
英文描述： 4-Channel Integrated LCD Supply
中文描述： LIQUID CRYSTAL DISPLAY DRIVER, PQCC36
封裝： 6 X 6 MM, ROHS COMPLIANT, PLASTIC, MO-220WJJD-1, TMLFP-36
文件頁數(shù)： 17/20頁
文件大?。?/td> 333K
代理商： ISL97650ARTZ-T
17
FN9198.3
November 28, 2006
Start-Up Sequence
Figure 18 shows a detailed start up sequence waveform. For
a successful power up, there should be 6 peaks at V
CDLY
.
When a fault is detected, the device will latch off until either
EN is toggled or the input supply is recycled.
When the input voltage is higher than 3.85V, V
REF
turns on,
as well as V
LOGIC
if the ENL is high. an internal current
source starts to charge C
CDLY
to an upper threshold using a
fast ramp followed by a slow ramp. During the initial slow
ramp, the device checks whether there is a fault condition. If
no fault is found, C
CDLY
is discharged after the first peak and
V
REF
turns on.
Initially the boost is not enabled so A
VDD
rises to V
IN
-
V
DIODE
through the output diode. Hence, there is a step at
A
VDD
during this part of the start-up sequence. If this step is
not desirable, an external PMOS FET can be used to delay
FIGURE 18. START-UP SEQUENCE
V
CDLY
EN
V
REF
V
BOOST
V
LOGIC
V
OFF
DELAYED
V
BOOST
V
ON
A
V
V
O
,
V
O
S
F
C
NORMAL
OPERATION
FAULT
PRESENT
START-UP SEQUENCE
TIMED BY C
DLY
V
R
,
L
t
SS
t
START-UP
t
VOFF
V
IN
t
VON
t
VON-SLICE
V
ON SLICE
NOTE: Not to scale
ISL97650
相關(guān)PDF資料
PDF描述
ISL97650ARTZ-TK 4-Channel Integrated LCD Supply
ISL97652 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers
ISL97652IRZ 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers
ISL97652IRZ-T 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers
ISL97652IRZ-TK 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL97650ARTZ-TK 功能描述:顯示驅(qū)動器和控制器 ISL97650ARTZ-TK 4-CH INTEGRTD LCD SUPY 1K RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
ISL97650BIRTZ-T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 4-CH INTEGRTD LCD SUPPLY 36LD TQFN RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
ISL97650BIRTZ-TK 功能描述:直流/直流開關(guān)調(diào)節(jié)器 4-CH INTEGRTD LCD SUPPLY 36LD TQFN RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
ISL97651ARTZ 制造商:Intersil Corporation 功能描述:
ISL97651ARTZ-T 功能描述:顯示驅(qū)動器和控制器 ISL97651ARTZ 4-CH IN TEGRTD LCD SUPY RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
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