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| 型号： | MAX5075AAUA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC DRVR FET P-P 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 配置： | 低端 |
| 输入类型： | 自振荡 |
| 电流 - 峰： | 3A |
| 配置数： | 2 |
| 输出数： | 2 |
| 电源电压： | 4.5 V ~ 15 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 8-uMax-EP |
| 包装： | 管件 |
19-3662; Rev 1; 5/07
Push-Pull FET Driver with Integrated Oscillator
and Clock Output
General Description
The MAX5075 is a +4.5V to +15V push-pull, current-fed
topology driver subsystem with an integrated oscillator
for use in telecom module power supplies. The device
drives two MOSFETs connected to a center-tapped
transformer primary providing secondary-side, isolated,
negative or positive voltages. This device features a pro-
grammable, accurate, integrated oscillator with a syn-
chronizing clock output that synchronizes an external
PWM regulator. A single external resistor programs the
internal oscillator frequency from 50kHz to 1.5MHz.
The MAX5075 incorporates a dual MOSFET driver with
±3A peak drive currents and 50% duty cycle. The
MOSFET driver generates complementary signals to
drive external ground-referenced n-channel MOSFETs.
The MAX5075 is available with a clock output frequency
to MOSFET driver frequency ratio of 1x, 2x, and 4x. The
MAX5075 is available in a thermally enhanced 8-pin
Features
? Current-Fed, Push-Pull Driver Subsystem
? Programmable, Accurate Internal Oscillator
? Single +4.5V to +15V Supply Voltage Range
? Dual ±3A Gate-Drive Outputs
? 1mA Operating Current at 250kHz with No
Capacitive Load
? Synchronizing Clock Frequency Generation
Options
? Thermally Enhanced 8-Pin μ MAX Package
? -40°C to +125°C Operating Temperature Range
Ordering Information
μMAX ? package and is specified over the -40°C to
+125°C operating temperature range.
PART
PIN-
PACKAGE
TOP
MARK
PKG
CODE
f CLK /f NDRV_
RATIO
Applications
Current-Fed, High-Efficiency Power-Supply Modules
MAX5075AAUA 8 μMAX-EP*
MAX5075BAUA 8 μMAX-EP*
AAAU
AAAV
U8E-2
U8E-2
1
2
Power-Supply Building Subsystems
MAX5075CAUA 8 μMAX-EP* AAAW
U8E-2
4
Push-Pull Driver Subsystems
μMAX is a registered trademark of Maxim Integrated Products, Inc.
* EP = Exposed paddle.
Note: All devices specified for -40°C to +125°C operating
temperature range.
Pin Configuration appears at end of data sheet.
Typical Operating Circuit
V IN
V IN
V OUT
DRVH
PWM
CONTROLLER
V CC
V CC
NDRV2
SYNCIN
CLK MAX5075
DRVL
RT
NDRV1
GND
4.7k ?
I.C.
PGND
1nF
GND
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5075AAUA+ | 功能描述:功率驱动器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX5075AAUA+T | 功能描述:功率驱动器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX5075AAUA-T | 功能描述:功率驱动器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX5075B | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Push-Pull FET Driver with Integrated Oscillator and Clock Output |
| MAX5075BAUA | 功能描述:功率驱动器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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