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MIC4576BT 数据手册 - Micrel（迈瑞）

制造商:

Micrel（迈瑞）

分类:

DC/DC转换器

封装:

TO-220-5

描述:

MIC4576BT DC/DC降压转换电源IC 1.23~33V TO-220-05L marking/标记 MIC4576BT 简单3A降压稳压器

Pictures:

3D模型

符号图

焊盘图

引脚图

产品图

PDF文件:

MIC4576BT 数据手册 (8 页)

引脚图在2 页Hot

封装尺寸在8 页

典型应用电路图在1 页

原理图在5 页

MIC4576BT 数据手册 (8 页)

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MIC4576BT 技术参数、封装参数

类型

描述

安装方式

Through Hole

引脚数

5 Pin

电源电压

36.0V (max)

封装

TO-220-5

输出接口数

1 Output

输出电压

1.23V ~ 33V

输出电流

3 A

开关频率

200 kHz

拓扑结构

Buck

输入电压

4V ~ 36V

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MIC4576BT 外形尺寸、物理参数、其它

类型

描述

产品生命周期

Obsolete

包装方式

Bulk

工作温度

-40℃ ~ 85℃

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MIC4576BT 符合标准

MIC4576BT 概述

●控制方式MODE| \---|--- 输入电压VINInput Voltage| 4~36V 输出电压VOUTOutput Voltage| 1.23~33V 输出电流IOUTOutput Current| 3A 震荡频率FOSCOscillation Frequency| 200KHZ 内置FETBuilt-in FET| Description & Applications| 200kHz Simple 3A Buck Regulator • Fixed 200kHz operation • 3.3V, 5V, and adjustable output versions • Voltage over speciﬁed 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% efﬁciency (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-efﬁciency step-down (buck) regulator • Efﬁcient 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 speciﬁed 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% efﬁciency (adjustable version > 75% typical) • Standard inductors are 25% of typical LM2576 values • Thermal shutdown • Overcurrent protection • 100% electrical thermal limit burn-in • Simple high-efﬁciency step-down (buck) regulator • Efﬁcient preregulator for linear regulators • On-card switching regulators • Positive-to-negative converter (inverting buck-boost) • Battery Charger • Negative boost converter

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