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MIC4125YML

更新时间： 2024-11-18 03:53:31
品牌 Logo 应用领域
麦瑞 - MICREL 驱动器接口集成电路光电二极管
页数 文件大小 规格书
11页 361K
描述
Dual 3A-Peak Low-Side MOSFET Driver

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中文翻译

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MIC4125YML 数据手册

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MIC4123/4124/4125  
Dual 3A-Peak Low-Side MOSFET Driver  
Bipolar/CMOS/DMOS Process  
General Description  
Features  
The MIC4123/4124/4125 family are highly reliable BiC-  
MOS/DMOS buffer/driver/MOSFET drivers. They are higher  
output current versions of the MIC4126/4127/4128, which  
are improved versions of the MIC4426/4427/4428. All three  
families are pin-compatible. The MIC4123/4124/4125 driv-  
ers are capable of giving reliable service in more demanding  
electrical environments than their predecessors. They will  
not latch under any conditions within their power and voltage  
ratings. They can survive up to 5V of noise spiking, of either  
polarity, on the ground pin. They can accept, without either  
damage or logic upset, up to half an amp of reverse current  
(either polarity) forced back into their outputs.  
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Reliable, low-power bipolar/CMOS/DMOS construction  
Latch-up protected to >200mA reverse current  
Logic input withstands swing to –5V  
High 3A-peak output current  
Wide 4.5V to 20V operating range  
Drives 1800pF capacitance in 25ns  
Short <50ns typical delay time  
Delay times consistent with in supply voltage change  
Matched rise and fall times  
TTL logic input independent of supply voltage  
Low equivalent 6pF input capacitance  
Low supply current  
3.5mA with logic-1 input  
350µA with logic-0 input  
TheMIC4123/4124/4125seriesdriversareeasiertouse,more  
flexible in operation, and more forgiving than other CMOS  
or bipolar drivers currently available. Their BiCMOS/DMOS  
construction dissipates minimum power and provides rail-to-  
rail voltage swings.  
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Low 2.3Ω typical output impedance  
Output voltage swings within 25mV of ground or VS.  
‘426/7/8-, ‘1426/7/8-, ‘4426/7/8-compatible pinout  
Inverting, noninverting, and differential configurations  
Exposed backside pad packaging reduces heat  
ePAD SOIC-8L (θJA = 58°C/W)  
Primarily intended for driving power MOSFETs, the  
MIC4123/4124/4125driversaresuitablefordrivingotherloads  
(capacitive, resistive, or inductive) which require low-imped-  
ance, high peak currents, and fast switching times. Heavily  
loadedclocklines,coaxialcables,orpiezoelectrictransducers  
are some examples. The only known limitation on loading is  
that total power dissipated in the driver must be kept within  
the maximum power dissipation limits of the package.  
4mm x 4mm MLF™-8L (θJA = 45°C/W)  
Functional Diagram  
VS  
Integrated Component Count:  
4 Resistors  
4 Capacitors  
INVERTING  
0.6mA  
52 Transistors  
0.1mA  
OUTA  
INA  
2kΩ  
NONINVERTING  
INVERTING  
0.6mA  
0.1mA  
OUTB  
INB  
2kΩ  
NONINVERTING  
GND  
Ground Unused Inputs  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-052405  
May 2005  
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