L4973说明书PDF资料供应价格意法半导体-114ic电子网

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型号	下载订购	功能描述	制造商上传企业	LOGO
L4973	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973	文件：222.74 Kbytes Page：16 Pages	3.5A STEP DOWN SWITCHING REGULATOR 文件：222.74 Kbytes 页数：16 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973	文件：300 bytes Page：1 Pages	3.5 A开关稳压器 The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical RDS(on) of 0.1 • Inhibit for zero current consumption (100mA at VCC= 24V) \n• Input/output synchronization function \n• Thermal shutdown \n• Protection against feedback disconnection \n• Soft start function \n• Output over voltage protection \n• Internal current limiting (pulse by pulse and HICCUP mode)• Zero load;	ST 意法半导体	ST
L4973D3.3	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973D3.3-013TR	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973D5.1	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973D5.1-013TR	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973V3.3	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973V5.1	文件：367.28 Kbytes Page：27 Pages	3.5A step down switching regulator Description The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typic 文件：367.28 Kbytes 页数：27 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4973D3	文件：222.74 Kbytes Page：16 Pages	3.5A STEP DOWN SWITCHING REGULATOR 文件：222.74 Kbytes 页数：16 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS

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技术参数

Marketing Status：
Active
Package：
PDIP 18
Grade：
Industrial
Input Voltage_min(V)：
8
Input Voltage_max(V)：
55
Regulated Output Voltage_min(V)：
0.5
Regulated Output Voltage_max(V)：
50
Output Current-Max_nom(A)：
3.5
Synchronous rectification：
No
Quiescent current_typ(mA)：
2.7
Regulator Switching frequency_typ(kHz)：
200
Inhibit Pin：
true
Soft-start：
Yes
Other Features：
SYNCHRONIZATION
Oscillator Switching frequency_min(Internal)(kHz)：
100
Oscillator Switching frequency_max(Internal)(kHz)：
300
Oscillator Switching frequency_min(External)(kHz)：
100
Oscillator Switching frequency_max(External)(kHz)：
300

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市一线半导体有限公司	L4973	STM	24+	DIP-18	300		询价
深圳市福田区绿盛电子商行	L4973	ST	2015+	SOP/DIP	19889	一级代理原装现货,特价热卖!	询价
深圳市壹芯创科技有限公司	L4973	ST	22+	DIP	5000	原装现货库存.价格优势!!	询价
深圳市振宏微科技有限公司	L4973	ST	23+	BGAQFP	8659	原装公司现货!原装正品价格优势.	询价
深圳市旺财半导体有限公司	L4973	ST	23+	DIP18	3880	正品原装货价格低	询价
深圳市晨豪科技有限公司	L4973	ST/意法	23+	DIP-18	89630	当天发货全新原装现货	询价
深圳市腾亿芯科技有限公司	L4973	ST	25+	SOP	16900	原装，请咨询	询价
深圳市盈慧通电子有限公司	L4973	ST	2511	SOP	16900	电子元器件采购降本30%!原厂直采,砍掉中间差价	询价
深圳市创盛芯科技有限公司	L4973	ST/意法	25+	8	3850	全新原装正品支持含税	询价
深圳市中飞凌科技有限公司	L4973	ST	26+	SOP	60000	只有原装可配单	询价

更多L4973供应商更新时间2026-1-17 10:03:00

技术参数

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