參數(shù)資料
型號： MAX5077AUD
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： MOSFETs
英文描述： Push-Pull FET Driver with Integrated Oscillator and Programmable Clock Output
中文描述： 5 A PUSH-PULL BASED MOSFET DRIVER, PDSO14
封裝： 4.4 MM, MO-153ABT-1, TSSOP-14
文件頁數(shù)： 1/9頁
文件大?。?/td> 235K
代理商： MAX5077AUD
General Description
The MAX5077 is a +4.5V to +15V push-pull, current-fed
topology driver subsystem with an integrated oscillator
used 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. The MAX5077 features a
programmable accurate integrated oscillator with a
synchronizing clock output to synchronize an external
PWM regulator. A single external resistor programs the
internal oscillator frequency from 50kHz to 1.5MHz.
The MAX5077 incorporates dual MOSFET drivers with
±3A peak drive currents and 50% duty cycle. The
MOSFET drivers generate complementary signals to
drive external ground-referenced n-channel MOSFETs.
The MAX5077 clock output frequency is programmable
by logic inputs to set the clock output to 1x, 2x, or 4x
the MOSFET’s driver frequency.
The MAX5077 is available in a 14-pin exposed pad
TSSOP package and is specified over the -40°C to
+125°C operating temperature range.
Applications
Current-Fed Power Supplies
Power-Supply Building Subsystems
Push-Pull Driver Subsystems
Features
o
Dedicated Current-Fed, Push-Pull Driver
Subsystem
o
Oscillator Frequency Programmable from 50kHz
to 1.5MHz
o
Single +4.5V to +15V Supply Voltage Range
o
±3A Peak Gate-Drive Current
o
1mA Operating Current at 250kHz with No
Capacitive Load
o
Selectable Synchronizing Clock Frequency for a
Preceding PWM Stage
o
Thermally Enhanced 14-Pin TSSOP
o
-40°C to +125°C Operating Temperature Range
M
Push-Pull FET Driver with Integrated Oscillator
and Programmable 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
19-3663; Rev 0; 5/05
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX5077AUD
-40
°
C to +125
°
C
14 TSSOP-EP*
U14E-3
*
EP = Exposed paddle.
Typical Operating Circuit
MAX5077
DGND
AGND
NDRV2
DRVH
DRVL
GND
V
IN
V
IN
PWM
CONTROLLER
NDRV1
SEL2
V
CC
SEL1
RT
PGND
SYNCIN
CLK
V
CC
V
OUT
GND
I.C.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5077AUD+ 功能描述:功率驅(qū)動器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX5077AUD+T 功能描述:功率驅(qū)動器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX5077AUD-T 功能描述:功率驅(qū)動器IC Push-Pull FET Driver w/Osc & Clock RoHS:否 制造商:Micrel 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX5078 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4A, 20ns, MOSFET Driver
MAX5078_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4A, 20ns, MOSFET Driver
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