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MIC4576BU 的参数 |
| 控制方式
MODE |
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| 输入电压VIN
Input Voltage |
4~36V |
| 输出电压VOUT
Output Voltage |
1.23~33V |
| 输出电流IOUT
Output Current |
3A |
| 震荡频率FOSC
Oscillation Frequency |
200KHZ |
| 内置FET
Built-in FET |
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| Description & Applications |
200kHz Simple 3A Buck Regulator ? Fixed 200kHz operation ? 3.3V, 5V, and adjustable output versions ? Voltage over speci?ed line and load conditions: Fixed version: ±3% max. output voltage Adjustable version: ±2% max. feedback voltage ? Guaranteed 3A switch current ? Wide 4V to 36V input voltage range ? Wide 1.23V to 33V output voltage range ? Requires minimum external components ? < 200μA typical shutdown mode ? 75% ef?ciency (adjustable version > 75% typical) ? Standard inductors are 25% of typical LM2576 values ? Thermal shutdown ? Overcurrent protection ? 100% electrical thermal limit burn-in Applications ? Simple high-ef?ciency step-down (buck) regulator ? Ef?cient preregulator for linear regulators ? On-card switching regulators ? Positive-to-negative converter (inverting buck-boost) ? Battery Charger ? Negative boost converter ? Step-down to 3.3V for Intel Pentium? and similar microprocessors |
| 描述与应用 |
200kHz的简单3A降压稳压器 ? Fixed 200kHz operation ? 3.3V, 5V, and adjustable output versions ? Voltage over speci?ed line and load conditions: Fixed version: ±3% max. output voltage Adjustable version: ±2% max. feedback voltage ? Guaranteed 3A switch current ? Wide 4V to 36V input voltage range ? Wide 1.23V to 33V output voltage range ? Requires minimum external components ? < 200μA typical shutdown mode ? 75% ef?ciency (adjustable version > 75% typical) ? Standard inductors are 25% of typical LM2576 values ? Thermal shutdown ? Overcurrent protection ? 100% electrical thermal limit burn-in ? Simple high-ef?ciency step-down (buck) regulator ? Ef?cient preregulator for linear regulators ? On-card switching regulators ? Positive-to-negative converter (inverting buck-boost) ? Battery Charger ? Negative boost converter |
| 技术文档PDF下载 |
在线阅读  |
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相关型号列表 |
| 型号 |
标记/丝印/代码 |
厂家 |
批号 |
封装 |
数量 |
描述 |
详细资料 |
| MIC4576BU |
|
MICREL |
03+ |
TO263-5L |
775 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
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| MIC4576-3.3BU |
|
MICREL |
03+ |
TO263-5L |
200 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
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| MIC4576BT |
MIC4576BT |
MICREL |
03+ |
TO-220-05L |
2 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
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| MIC4575-5.0BT |
4575-5.0BT |
MICREL |
03+ |
TO-220-05L |
7 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
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| MIC4576-3.3BT |
4576-3.3BT |
MICREL |
03+ |
TO-220-05L |
6 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
查看 |
| MIC4574BWM |
MIC4574BWM |
MICREL |
03+ |
SOICW-14L |
506 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
查看 |
| MIC4575BT |
MIC4575BT |
MICREL |
03+ |
TO-220-05L |
30 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
查看 |
| MIC4574-5.0BWM |
MIC4574-5.0BWM |
MICREL |
03+ |
SOICW-14L |
0 |
电源管理ICPower Management IC/PMIC-DC/DC降压转换器DC/DC Step-Down Converter |
查看 |
| MIC4574BWM |
MIC4574BWM |
MICREL |
03+ |
SOICW-14L |
50 |
电源管理ICPower Management IC/PMIC |
查看 |
| MIC4574-5.0BWM |
MIC4574-5.0BWM |
MICREL |
03+ |
SOICW-14L |
12 |
电源管理ICPower Management IC/PMIC |
查看 |
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