參數(shù)資料
型號： VN820
廠商： 意法半導(dǎo)體
英文描述： HIGH SIDE DRIVER
中文描述： 高邊驅(qū)動器
文件頁數(shù)： 6/34頁
文件大小： 692K
代理商： VN820
6/34
VN820 / VN820SO / VN820SP / VN820-B5 / VN820PT
OPEN LOAD DETECTION IN OFF STATE
Off state open load detection requires an external pull-up
resistor (R
PU
) connected between OUTPUT pin and a
positive supply voltage (V
PU
) like the +5V line used to
supply the microprocessor.
The external resistor has to be selected according to the
following requirements:
1) no false open load indication when load is connected:
in this case we have to avoid V
OUT
to be higher than
V
Olmin
; this results in the following condition
V
OUT
=(V
PU
/(R
L
+R
PU
))R
L
<V
Olmin.
2) no misdetection when load is disconnected: in this
case the V
OUT
has to be higher than V
OLmax
; this
results in the following condition R
PU
<(V
PU–
V
OLmax
)/
I
L(off2)
.
Because I
s(OFF)
may significantly increase if V
out
is pulled
high (up to several mA), the pull-up resistor R
PU
should
be connected to a supply that is switched OFF when the
module is in standby.
The values of V
OLmin
, V
OLmax
and I
L(off2)
are available in
the Electrical Characteristics section.
V
OL
V batt.
V
PU
R
PU
R
L
R
DRIVER
+
LOGIC
+
-
INPUT
STATUS
V
CC
OUT
GROUND
I
L(off2)
Open Load detection in off state
相關(guān)PDF資料
PDF描述
VN820-B5 HIGH SIDE DRIVER
VN820-B513TR HIGH SIDE DRIVER
VN820SP13TR 20 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
VN820PT HIGH SIDE DRIVER
VN820SO HIGH SIDE DRIVER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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VN820(012Y) 功能描述:功率驅(qū)動器IC HIGH SIDE DRIVER RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
VN820_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SIDE DRIVER
VN820-11-E 功能描述:功率驅(qū)動器IC 9A 36V HIGH SIDE RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
VN820-12-E 功能描述:功率驅(qū)動器IC Hi side driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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