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參數資料
| 型號： | MAX5075B |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Push-Pull FET Driver with Integrated Oscillator and Clock Output |
| 中文描述： | 推挽式與整合的振蕩器和時鐘輸出FET驅動器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 234K |
| 代理商： | MAX5075B |
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
μMAX
package and is specified over the -40°C to
+125°C operating temperature range.
Applications
Current-Fed, High-Efficiency Power-Supply Modules
Power-Supply Building Subsystems
Push-Pull Driver Subsystems
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 μMAX Package
-40°C to +125°C Operating Temperature Range
M
Push-Pull FET Driver with Integrated Oscillator
and Clock Output
________________________________________________________________
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
Ordering Information
19-3662; Rev 0; 5/05
Pin Configuration appears at end of data sheet.
PART
PIN-
PACKAGE
TOP
MARK
PKG
CODE
f
CLK
/f
NDRV_
RATIO
MAX5075AAUA 8 μMAX-EP*
MAX5075BAUA 8 μMAX-EP*
MAX5075CAUA 8 μMAX-EP*
*
EP = Exposed paddle.
Note:
All devices specified for -40°C to +125°C operating
temperature range.
AAAU
AAAV
AAAW
U8E-2
U8E-2
U8E-2
1
2
4
MAX5075
DGND
NDRV2
DRVH
DRVL
GND
GND
V
IN
V
IN
PWM
CONTROLLER
SYNCIN
NDRV1
V
CC
RT
PGND
I.C.
CLK
V
CC
V
OUT
Typical Operating Circuit
μMAX is a registered trademark of Maxim Integrated Products, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5075BAUA | 功能描述:功率驅動器IC Push-Pull FET Driver w/Osc & Clock 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 |
| MAX5075BAUA+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5075BAUA-T | 功能描述:功率驅動器IC Push-Pull FET Driver w/Osc & Clock 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 |
| MAX5075C | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Push-Pull FET Driver with Integrated Oscillator and Clock Output |
| MAX5075CAUA | 功能描述:功率驅動器IC Push-Pull FET Driver w/Osc & Clock 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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