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參數(shù)資料
| 型號(hào)： | L9733XP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Octal self configuring Low/High side driver |
| 中文描述： | 八路自我配置低/高邊驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/33頁(yè) |
| 文件大小： | 466K |
| 代理商： | L9733XP |
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Preliminary Data
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
August 2006
Rev 3
1/33
1
L9733
Octal self configuring Low/High side driver
Features
■
Eight independently self configuring low/high
drivers
■
Supply voltage from 4.5V to 5.5V
■
R
ON(max)
=0.7
@ T
j
= 25°C,
R
ON(max)
=1.2
@T
j
= 125°C
■
Minimum current limit of each output 1A
■
Output voltage clamping min. 40V in low side
configuration
■
Output voltage clamping max. -14V in high side
configuration
■
SPI interface for outputs control and for
diagnosis data communication
■
Additional PWM inputs for 3 outputs
■
Independent thermal shutdown for all outputs
Open load, Short to GND, short to Vb,
Overcurrent diagnostics in latched or unlatched
mode for each channel
■
Internal charge pump without need of external
capacitor
■
Controlled SR for reduced EMC
Description
The L9733 IC is a highly flexible monolithic,
medium current, output driver that incorporates 8
outputs that can be used as either internal low or
high side drives in any combination.
Outputs 1-8 are self-configuring as high or low
side drives. Self-configuration allows a user to
connect a high or low side load to any of these
outputs and the L9733 will drive them correctly as
well as provide proper fault mode operation with
no
other needed inputs. In additon, Outputs 6, 7 and
8 can be PWM controlled via a external pins (IN6-8).
This device is capable of switching variable load
currents over the ambient range of -40°C to
+125°C. The outputs are MOSFET drivers to
minimize Vdd current requirements. For low side
configured outputs an internal zener clamp from
the drain to gate with a breakdown of 50V
minimum will provide fast turn off of inductive
loads. When a high side configured output is
commanded OFF after having been commanded
ON, the source voltage will go to (VGND - 15V).
An 16 bit SPI input is used to command the 8
output drivers either "On" or "Off", reducing the
I/O port requirement of the microcontroller.
Multiple L9733 can be daisy-chained. In addition
the SPI output indicates latched fault conditions
that may have occurred.
Order codes
SO-28
PowerSSO-28
Part number
Package
Packing
L9733
SO-28
Tube
L9733XP
PowerSSO-28 (Exposed pad)
Tube
www.st.com
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| L9733XPTR | 功能描述:低壓差穩(wěn)壓器 - LDO Octal self Config Low/High Side Driver RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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| L9737 | 功能描述:低壓差穩(wěn)壓器 - LDO Octal self Config Low/High Side Driver RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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