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型号	下载订购	功能描述	制造商上传企业	LOGO
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
L4974	文件：327.48 Kbytes Page：22 Pages	3.5A SWITCHING REGULATOR DESCRIPTION The L4974Aisa step down monolithic power switch ing regulator delivering 3.5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiencyand very fastswitching times. Features of the L4974A inc 文件：327.48 Kbytes 页数：22 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4974A	文件：327.48 Kbytes Page：22 Pages	3.5A SWITCHING REGULATOR DESCRIPTION The L4974Aisa step down monolithic power switch ing regulator delivering 3.5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiencyand very fastswitching times. Features of the L4974A inc 文件：327.48 Kbytes 页数：22 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4975	文件：359.52 Kbytes Page：21 Pages	5A SWITCHING REGULATOR DESCRIPTION The L4975A is a stepdown monolithic power switching regulator delivering 5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4975A inc 文件：359.52 Kbytes 页数：21 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
L4975A	文件：359.52 Kbytes Page：21 Pages	5A SWITCHING REGULATOR DESCRIPTION The L4975A is a stepdown monolithic power switching regulator delivering 5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4975A inc 文件：359.52 Kbytes 页数：21 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS

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技术参数

Marketing Status：
Active
Package：
MW 15L
Grade：
Industrial
Input Voltage_min(V)：
15
Input Voltage_max(V)：
50
Regulated Output Voltage_min(V)：
5.1
Regulated Output Voltage_max(V)：
40
Output Current-Max_nom(A)：
10
Synchronous rectification：
No
Quiescent current_typ(mA)：
19
Regulator Switching frequency_typ(kHz)：
200
Inhibit Pin：
false
Soft-start：
No
Oscillator Switching frequency_min(Internal)(kHz)：
100
Oscillator Switching frequency_max(Internal)(kHz)：
500

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市华来深电子有限公司	L497	ST	23+	SOP16	8650	受权代理!全新原装现货特价热卖!	询价
深圳市宇集芯电子有限公司	L497	ST	25+	DIP	90000	一级代理商进口原装现货、假一罚十价格合理	询价
深圳市威雅利发展有限公司	L497	ST		SOP16	1	一级代理,专注军工、汽车、医疗、工业、新能源、电力	询价
深圳市安富世纪电子有限公司	L497	ST	23+	DIP	8000	只做原装现货	询价
深圳市佳杰伟业科技有限公司	L497	ST	2410+	DIP	3335	优势代理渠道原装现货可全系列订货	询价
深圳市诺美思科技有限公司	L497	SST		原厂封装	9800	原装进口公司现货假一赔百	询价
深圳市创新迹电子有限公司	L497	ST	22+	SOP16	20000	公司只做原装品质保证	询价
深圳市毅创腾电子科技有限公司	L4973D5.1	ST		SOP-20	1000	原装长期供货!	询价
芯有半导体（深圳）有限公司	L4973V5.1	ST	05+	?DIP-18	2000	自己公司全新库存绝对有货	询价
深圳市福安瓯科技有限公司	L4971D013TR	ST	25+	SOP16	2500	强调现货,随时查询!	询价

更多L497供应商更新时间2026-1-17 15:19:00

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