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FDMF8704

更新时间： 2024-02-13 14:50:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
11页	423K
描述
High Current / High Frequency FET plus Driver Multi-chip Module

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技术参数
数据手册

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FDMF8704 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	Reach Compliance Code：	compliant
Factory Lead Time：	1 week	风险等级：	5.81
Base Number Matches：	1

FDMF8704 数据手册

November 2007

FDMF8704

High Current / High Frequency FET plus Driver Multi-chip Module

Benefits

General Description

Fully optimized system efficiency. Higher efficiency levels

are achievable compared with conventional discrete

components.

The FDMF8704 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.

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%

Applications

Desktop and server VR11.x V-core and non V-core buck

converters.

Output disable for lost phase shutdown

Low profile SMD package

CPU/GPU power train in game consoles and high end

desktop systems.

RoHS Compliant

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

C_VCIN

C_VIN

VIN

VCIN

BOOT

DISB

HSEN

VSWH

C_BOOT

OUTPUT

C_OUT

PWM

Input

PWM

CGND PGND

Figure 1. Powertrain Application Circuit

Ordering Information

Current Rating

Input Voltage

Typical

[V]

Frequency

Max

[KHz]

Max

[A]

Device

Part

Marking

FDMF8704

12-19

1000

FDMF8704

FDMF8704 Rev. F2

www.fairchildsemi.com

12 3 4 5 6 7...11

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