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參數(shù)資料
| 型號： | ISL97651 |
| 廠商： | Intersil Corporation |
| 英文描述： | 4-Channel Integrated LCD Supply |
| 中文描述： | 4通道集成LCD電源 |
| 文件頁數(shù)： | 17/19頁 |
| 文件大?。?/td> | 307K |
| 代理商： | ISL97651 |
17
FN7493.2
March 15, 2007
A
VDD_delay
Generation Using DELB
DELB pin is an open drain internal N-FET output used to
drive an external optional P-FET to provide a delayed A
VDD
supply which also has no initial pedistal voltage (see
Figure 15 and compare the A
VDD
and A
VDD_delayed
curves). When the part is enabled, the N-FET is held off until
C
DLY
reaches the 4th peak in the start-up sequence. During
this period, the voltage potential of the source and gate of
the external P-FET (M0 in application diagram) should be
almost the same due to the presence of the resistor (R4)
across the source and gate, hence M0 will be off. Please
note that the maximum leakage of DELB in this period is
500nA. To avoid any mis-trigger, the maximum value of R4
should be less than:
Where V
GS(th)_min(M0)
is the minimum value of gate
threshold voltage of M0.
FIGURE 15. START-UP SEQUENCE
V
CDLY
EN
V
REF
V
BOOST
(A
VDD
)
V
LOGIC
V
OFF
DELAYED
V
BOOST
(A
VDD_delay
)
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
R
4_max
V
-------------------------------------------
<
(EQ. 23)
ISL97651
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| ISL97651ARTZ-TK | 功能描述:顯示驅(qū)動器和控制器 ISL97651ARTZ 4-CH IN TEGRTD 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| ISL97652IRZ | 功能描述:IC LCD SUPPLY HP 4CHN 48-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:37 系列:- 應用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應商設備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| ISL97652IRZ-T | 功能描述:IC LCD SUPPLY 4CH DUAL AMP 48QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:37 系列:- 應用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應商設備封裝:56-TQFN-EP（8x8） 包裝:管件 |
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