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型号	下载订购	功能描述	制造商上传企业	LOGO
LM34910CSDXSLASHNOPB.A	文件：536.93 Kbytes Page：21 Pages	丝印：L34910C；Package：WSON；LM34910C High Voltage (50V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 55V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 50V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：536.93 Kbytes 页数：21 Pages	TI 德州仪器	TI
LM34910CSDXSLASHNOPB.B	文件：536.93 Kbytes Page：21 Pages	丝印：L34910C；Package：WSON；LM34910C High Voltage (50V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 55V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 50V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：536.93 Kbytes 页数：21 Pages	TI 德州仪器	TI
LM34910SD/NOPB.A	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SD/NOPB.B	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDSLASHNOPB	文件：535.53 Kbytes Page：20 Pages	LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDSLASHNOPB.A	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDSLASHNOPB.B	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDX/NOPB	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDX/NOPB.A	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI
LM34910SDX/NOPB.B	文件：535.53 Kbytes Page：20 Pages	丝印：34910SD；Package：WSON；LM34910 High Voltage (40V, 1.25A) Step Down Switching Regulator 1FEATURES 2• Integrated 40V, N-Channel Buck Switch • Integrated Start-Up Regulator • Input Voltage Range: 8V to 36V • No Loop Compensation Required • Ultra-Fast Transient Response • Operating Frequency Remains Constant with Load Current and Input Voltage • Maximum Duty Cycle Limited During 文件：535.53 Kbytes 页数：20 Pages	TI 德州仪器	TI

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技术参数

Vin (min) (V)：
2.8
Vin (max) (V)：
5.3
Imax (A)：
0.65
Ron (typ) (mΩ)：
560
Shutdown current (ISD) (typ) (µA)：
10
Quiescent current (Iq) (typ) (µA)：
47
Soft start：
Fixed Rise Time
Current limit type：
Fixed
Features：
Thermal shutdown
Rating：
Catalog
Operating temperature range (°C)：
-40 to 85
FET：
Internal
Device type：
Load switches
Function：
Thermal shutdown

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市宇集芯电子有限公司	LM349	NS	26+	DIP	90000	一级代理商进口原装现货、假一罚十价格合理	询价
深圳市科达星科技有限公司	LM349	NETERGY	25+	DIP	37500	全新原装现货,量大价优!	询价
深圳市威雅利发展有限公司	LM349	NS	25+	TSSOP-14	6000	原厂原包装,终端BOM表可配单	询价
深圳市亚泰盈科电子有限公司	LM349	NS	26+	DIP	16800	原装现货	询价
艾睿（深圳）半导体有限公司	LM34926MRX/NOPB	TI(德州仪器)	2447	HSOIC	315000	2500个/圆盘一级代理专营品牌!原装正品,优势现货,	询价
深圳市力仕科电子科技有限公司	LM3492MHX/NOPB	TI/德州仪器	25	HTSSOP-20	6000	原装正品	询价
深圳市铨博晟科技有限公司	LM3492MH	德州仪器(TI)	23+		52500	只有原装/价格优势/全线可订	询价
深圳市福安瓯科技有限公司	LM3492MH	NS	25+	TSSOPEXPPAD-	3600	全新原装进口,公司现货!	询价
上海皇华信息科技有限公司	LM34923MM/NOPB	Texas Instruments	1614		406	自营现货,只做正品	询价
深圳市鹏和科技有限公司	LM3495MTC/NOPB	NS	24+	TSSOP16	5000	全现原装公司现货	询价

更多LM349供应商更新时间2026-10-30 16:15:00

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