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參數(shù)資料
| 型號(hào)： | MIC5011 |
| 廠(chǎng)商： | Micrel Semiconductor,Inc. |
| 英文描述： | Minimum Parts High- or Low-Side MOSFET Driver(高/低邊MOS場(chǎng)效應(yīng)管驅(qū)動(dòng)器) |
| 中文描述： | 最小零件高或低側(cè)MOSFET驅(qū)動(dòng)器（高/低邊馬鞍山場(chǎng)效應(yīng)管驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | MIC5011 |
MIC5011
Micrel
MIC5011
8
July 2000
Applications Information
(Continued)
Input
Source
Gate
1
2
3
4
8
MIC5011
V+
7
6
5
Gnd
C1
Com
C2
IRFP044 (2)
10μF
Figure 6. 50-Ampere
Industrial Switch
+
LOAD
24V
330k
100k
OFF
ON
CR2943-NA102A
(GE)
Input
Source
Gate
1
2
3
4
8
MIC5011
V+
7
6
5
Gnd
C1
Com
C2
IRF540
10μF
Figure 4. Bootstrapped
High-Side Driver
Control Input
+
LOAD
100nF
1N4001 (2)
1N5817
7 to 15V
Opto-Isolated Interface
(Figure 5). Although the MIC5011
has no special input slew rate requirement, the lethargic
transitions provided by an opto-isolator may cause oscilla-
tions on the rise and fall of the output. The circuit shown
accelerates the input transitions from a 4N35 opto-isolator
by adding hysteresis. Opto-isolators are used where the
control circuitry cannot share a common ground with the
MIC5011 and high-current power supply, or where the
control circuitry is located remotely. This implementation is
intrinsically safe; if the control line is severed the MIC5011
will turn OFF.
Industrial Switch
(Figure 6). The most common manual
control for industrial loads is a push button on/off switch.
The
“
on
”
button is physically arranged in a recess so that in
a panic situation the
“
off
”
button, which extends out from the
control box, is more easily pressed. This circuit is compat-
100k
Figure 5. Improved
Opto-Isolator Performance
1k
To MIC5011
Input
100k
4N35
33k
33pF
MPSA05
15V
10mA
Control Input
ible with control boxes such as the CR2943 series (GE).
The circuit is configured so that if both switches close
simultaneously, the
“
off
”
button has precedence.
This application also illustrates how two (or more) MOSFETs
can be paralleled. This reduces the switch drop, and distrib-
utes the switch dissipation into multiple packages.
High-Voltage Bootstrap
(Figure 7). Although the MIC5011
is limited to operation on 4.75 to 32V supplies, a floating
bootstrap arrangement can be used to build a high-side
switch that operates on much higher voltages. The MIC5011
and MOSFET are configured as a low-side driver, but the
load is connected in series with ground.
Power for the MIC5011 is supplied by a charge pump. A
20kHz square wave (15Vp-p) drives the pump capacitor
and delivers current to a 100
μ
F storage capacitor. A zener
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC5011BM | Minimum Parts High- or Low-Side MOSFET Driver |
| MIC5011BN | Minimum Parts High- or Low-Side MOSFET Driver |
| MIC5014-1 | Circular Connector; No. of Contacts:8; Series:; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:12-8 RoHS Compliant: No |
| MIC5014BM | FPGA 1000000 SYSTEM GATE 1.8 VOLT - NOT RECOMMENDED for NEW DESIGN |
| MIC5014BN | FPGA 1000000 SYSTEM GATE 1.8 VOLT - NOT RECOMMENDED for NEW DESIGN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5011_05 | 制造商:MICREL 制造商全稱(chēng):Micrel Semiconductor 功能描述:Minimum Parts High- or Low-Side MOSFET Driver |
| MIC5011BM | 功能描述:IC DRIVER MIN PARTS HI/LO 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開(kāi)關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類(lèi)型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱(chēng):*IR2127 |
| MIC5011BM TR | 功能描述:IC DRIVER MOSF HI/LOW SIDE 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開(kāi)關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類(lèi)型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱(chēng):*IR2127 |
| MIC5011BN | 功能描述:IC DRIVER MOSF HI/LOW SIDE 8-DIP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 外部開(kāi)關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:高端 輸入類(lèi)型:非反相 延遲時(shí)間:200ns 電流 - 峰:250mA 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導(dǎo)啟動(dòng)）:600V 電源電壓:12 V ~ 20 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-DIP 包裝:管件 其它名稱(chēng):*IR2127 |
| MIC5011YM | 功能描述:功率驅(qū)動(dòng)器IC High Side MOSFET Predriver - Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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 |
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