参数资料
型号: FDMF6704
厂商: Fairchild Semiconductor
文件页数: 10/14页
文件大小: 0K
描述: IC DRMOS MODULE 1000KHZ 40-MLP
标准包装: 3,000
系列: XS™ DrMOS
类型: 高端/低端驱动器
输入类型: 非反相
输出数: 1
电流 - 输出 / 通道: 35A
电流 - 峰值输出: 80A
电源电压: 3 V ~ 14 V
工作温度: -55°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 40-MLP
供应商设备封装: 40-MLP(6x6)
包装: 带卷 (TR)
Application Information
Supply Capacitor Selection
For the supply input (VCIN) of the FDMF6704, a local ceramic
bypass capacitor is recommended to reduce the noise and to
supply the peak current. Use at least a 1 F, X7R or X5R
capacitor. Keep this capacitor close to the FDMF6704 VCIN and
PGND pins.
Bootstrap Circuit
The bootstrap circuit uses a charge storage capacitor (C BOOT ),
as shown in Figure 23. A bootstrap capacitance of 100nF, X7R
or X5R capacitor is adequate. A series bootstrap resistor would
be needed for specific application in order to improve switching
noise immunity
Typical Application
V IN 12V
V 5V 5V
VCIN Filter
The VDRV pin provides power to the gate drive of the high side
and low side power FET. In most cases, it can be connected
directly to VCIN, the pin that provides power to the logic section
of the driver. For additional noise immunity, an RC filter can be
inserted between VDRV and VCIN. Recommended values
would be 10 Ohms and 1 F.
VDRV
PWM
VCIN
BOOT
R BOOT
DISB#
SMOD#
VIN
CGND
PHASE
VSWH
PGND
C BOOT
FDMF6704
VDRV
PWM
VCIN
BOOT
R BOOT
VCC
EN
SMOD#
DISB#
SMOD#
VIN
PHASE
VSWH
C BOOT
PWM1
CGND
PGND
PWM
Controller
PWM2
PWM3
FDMF6704
VOUT
PWM4
CGND
VDRV
PWM
VCIN
BOOT
R BOOT
Signal
GND
Power
GND
DISB#
SMOD#
VIN
CGND
PHASE
VSWH
PGND
C BOOT
FDMF6704
VDRV
PWM
DISB#
SMOD#
VIN
CGND
VCIN
BOOT
PHASE
VSWH
PGND
R BOOT
C BOOT
FDMF6704
Figure 23. Typical Application
FDMF6704 Rev. G
10
www.fairchildsemi.com
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