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| 型号： | FDMF8704V |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC MOD DVR/FET W/VREG 56MLP 8X8 |
| 标准包装： | 1 |
| 类型： | 高端/低端驱动器 |
| 输入类型： | PWM |
| 输出数： | 1 |
| 电流 - 输出 / 通道： | 32A |
| 电流 - 峰值输出： | 65A |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -55°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-MLP |
| 供应商设备封装： | 56-MLP（8x8） |
| 包装： | 标准包装 |
| 产品目录页面： | 1216 (CN2011-ZH PDF) |
| 其它名称： | FDMF8704VDKR |
November 2007
FDMF8704V
High Efficiency / High Frequency FET plus Driver Multi-chip Module
with Internal Voltage Regulator
tm
Benefits
Fully optimized system efficiency. Higher efficiency levels
are achievable compared with conventional discrete
components.
Space savings of up to 50% PCB versus discrete solutions.
Higher frequency of operation.
Simpler system design and board layout. Reduced time in
component selection and optimization.
Features
7V to 20V Input Voltage Range
Output current to 32A
1MHz switching frequency capable
Internal adaptive gate drive
Low Side FET with Integrated Schottky Diode
Peak Efficiency >90%
Output disable for lost phase shutdown
Integrated 5V regulator
Low profile SMD package
RoHS Compliant
General Description
The FDMF8704V is a fully optimized integrated Driver plus
MOSFET power stage solution for high current synchronous
buck DC-DC applications. The device integrates a driver IC and
two Power MOSFETs into a space saving, MLP 8x8, 56-pin
package. Fairchild Semiconductor ’s integrated approach
optimizes the complete switching power stage with regards to
driver to FET dynamic performance, system inductance and
overall solution ON resistance. Package parasitics and
problematical layouts associated with conventional discrete
solutions are greatly reduced. This integrated approach results
in significant board space saving, therefore maximizing footprint
power density. This solution is based on the Intel? DrMOS
specification.
Applications
Desktop and server VR11.x V-core and non V-core buck
converters.
CPU/GPU power train in game consoles and high end
desktop systems.
High-current DC-DC Point of Load (POL) converters.
Networking and telecom microprocessor voltage regulators.
Small form factor voltage regulator modules.
Powertrain Application Circuit
7 - 20V
VAUX
REGOUT REGFB
C VIN
VIN
VCIN
C VCIN
DISB
PWM
Input
DISB
PWM
CGND
BOOT
HSEN
VSWH
PGND
C BOOT
C OUT
OUTPUT
Figure 1. Powertrain Application Circuit
Ordering Information
Current Rating
Input Voltage
Frequency
Max
Typical
Max
Device
Part
FDMF8704V
?2007 Fairchild Semiconductor Corporation
[A]
32
[V]
12-19
1
[KHz]
1000
Marking
FDMF8704V
www.fairchildsemi.com
FDMF8704V Rev. G
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