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參數(shù)資料
| 型號： | FAN73832N |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | Half-Bridge Gate-Drive IC |
| 中文描述： | 半橋柵極驅動集成電路 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 1128K |
| 代理商： | FAN73832N |
F
2006 Fairchild Semiconductor Corporation
FAN73832 Rev. 1.0.0
www.fairchildsemi.com
13
Typical Application Information
1. Normal Operating Consideration
The FAN73832 is a single PWM input, half-bridge, gate-
drive IC with programmable dead-time and shutdown
functions.
The dead-time is set with a resistor (R
DT
) at the DT/SD
pin. The wide dead-time programming range provides
the flexibility to optimize drive signal timing for a
selection of switching devices (MOSFET or IGBT) and
applications.
The
accommodates resistor values from 20k
Ω
to 200k
Ω
with
a dead-time proportional to the R
DT
resistance.
turn-on
time
delay
circuitry
(Dead-Time)
If the DT/SD pin voltage decreases below 1.2V in the
normal operation, the IC enters shutdown mode.
The external dead-time setting resistor (R
DT
) is at least
above 20K
Ω
for normal operation in typical applications.
2. Under Voltage Lockout (UVLO)
The FAN73832 has an under-voltage lockout (UVLO)
protection circuit for high- and low-side channels to
prevent malfunction when V
DD
and V
BS
are lower than
the specified threshold voltage. The UVLO circuitry
monitors the supply voltage (V
DD
) and bootstrap
capacitor voltage (V
BS
) indepently.
3. Layout Consideration
For optimum performance of the high- and low-side gate
drivers, considerations must be taken during printed
circuit board (PCB) layout.
3.1 Supply Capacitors
If the output stages are able to quickly turn-on a
switching device with a high value of current, the supply
capacitors must be placed as close as possible to the
device pins (V
DD
and GND for the ground-tied supply, V
B
and V
S
for the floating supply) to minimize parasitic
inductance and resistance.
3.2 Gate Drive Loop
Current loops behave like an antenna, able to receive
and transmit noise. To reduce the noise coupling/emis-
sion and improve the power switch turn-on and off per-
formances, gate drive loops must be reduced as much
as possible.
3.3 Ground Plane
Ground plane must not be placed under or nearby the
high-voltage floating side to minimize noise coupling.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| FAN73833 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Half-Bridge Gate-Drive IC |
| FAN73833M | 功能描述:功率驅動器IC 600V Half Bridge Gate RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FAN73833MX | 功能描述:功率驅動器IC Half Bridge Gate RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FAN7383M | 功能描述:功率驅動器IC Half Brige Gate RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FAN7383MX | 功能描述:功率驅動器IC Half Bridge Gate Driver RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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