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參數(shù)資料
| 型號(hào)： | L6743Q |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | High current MOSFET driver |
| 中文描述： | 高電流MOSFET驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大小： | 282K |
| 代理商： | L6743Q |
Pins description and connection diagrams
L6743, L6743Q
4/17
2
Pins description and connection diagrams
Figure 3.
Pins connection (Top view)
2.1
Pin description
Pins escriptions
1
2
3
4
LGATE
GND
PHASE
UGATE
VCC
EN
PWM
BOOT
5
6
7
8
L6743
1
2
3
4
GND
LGATE
GND
PHASE
UGATE
VCC
VCC
EN
PWM
BOOT
7
8
9
10
L6743Q
5
6
Table 2.
Pin n
Name
Function
DFN10
SO-8
1
1
BOOT
High-Side Driver Supply.
This pin supplies the High-Side floating driver. Connect through a R
BOOT
- C
BOOT
capacitor to the PHASE pin.
Internally connected to the cathode of the integrated Bootstrap diode. See
Section 5.3
for guidance in designing the capacitor value.
2
2
PWM
Control input for the driver, 5V compatible.
This pin controls the state of the driver and which external MOSFET have to be
turned-ON according to EN status. If left floating and in conjunction with EN
asserted, it causes the driver to enter the High-Impedance (HiZ) state which causes
all mosfets to be OFF. See
Section 5.1
for details about HiZ.
3
3
EN
Enable Input for the Driver. Internally pulled low by 15k
.
Pull High to enable the driver according to the PWM status. If pulled low will cause
the drive to enter HiZ state with all mosfet OFF regardless of the PWM status.
See
Section 5.1
for details about HiZ.
4, 5
4
VCC
Device and LS Driver power supply. Connect to any voltage between 5V and 12V.
Bypass with low-ESR MLCC capacitor to GND.
6
5
LGATE
Low-Side Driver Output.
Connect directly to the Low-Side MOSFET gate. A small series resistor can be
useful to reduce dissipated power especially in high frequency applications.
7, 8
6
GND
All internal references, logic and drivers are referenced to this pin. Connect to the
PCB ground plane.
9
7
PHASE
High-Side Driver return Path. Connect to the High-Side MOSFET Source.
This pin is also monitored for the adaptive dead-time management and Pre-OV
Protection.
10
8
UGATE
High-Side Driver Output.
Connect to High-Side MOSFET gate.
PAD
-
TH. PAD
Thermal pad connects the Silicon substrate and makes good thermal contact with
the PCB. Connect to the PGND plane. (DFN10 only)
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| L6743QTR | 功能描述:功率驅(qū)動(dòng)器IC SnglPphase Dual MOSFET 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(shí)間: 下降時(shí)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 |
| L6743TR | 功能描述:功率驅(qū)動(dòng)器IC SnglPphase Dual MOSFET 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(shí)間: 下降時(shí)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 |
| L6747A | 制造商:STMicroelectronics 功能描述:MOSFET DRVR 3.5A 2-OUT Hi/Lo Side Inv/Non-Inv 8-Pin VFDFPN EP Tube 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Rail/Tube 制造商:STMicroelectronics 功能描述:N-Ch FET PWM Driver Dual 5V to 12V HC |
| L6747ATR | 功能描述:功率驅(qū)動(dòng)器IC Dual Mosfet Driver 5V to 12 V Flex Gate 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(shí)間: 下降時(shí)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 |
| L6747C | 制造商:STMicroelectronics 功能描述:MOSFET DRVR 3.5A 2-OUT Hi/Lo Side Inv/Non-Inv 8-Pin VFDFPN EP Tube 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Rail/Tube 制造商:STMicroelectronics 功能描述:N-Ch FET PWM Driver Dual 5V to 12V HC |
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