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型号	下载订购	功能描述	制造商上传企业	LOGO
LM34904ITMXSLASHNOPB.A	文件：306.95 Kbytes Page：12 Pages	500mA Current Limited Power Switch 1FEATURES 2• Input Voltage of 2.8V to 5.3V • 0.5A Maximum Switch Current • 0.4Ω Typical Total On-Resistance • Load Detection • Enable/Disable • Switch On Indicator • Peak Current Limit • Thermal Shutdown • 6-bump Thin DSBGA Package APPLICATIONS • Handsets, Tablets, Notebooks • Portab 文件：306.95 Kbytes 页数：12 Pages	TI 德州仪器	TI
LM34910	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
LM34910C	文件：536.93 Kbytes Page：21 Pages	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
LM34910CSD/NOPB.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
LM34910CSD/NOPB.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
LM34910CSDE/NOPB	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
LM34910CSDE/NOPB.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
LM34910CSDE/NOPB.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
LM34910CSDESLASHNOPB	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
LM34910CSDESLASHNOPB.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

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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	24+	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	24+	DIP	37500	全新原装现货,量大价优!	询价
千层芯半导体(深圳)有限公司	LM34927MRX	TI	24+	SMD	85450	ST一级专营品牌全新原装热卖	询价
深圳市纳立科技有限公司	LM34945RHFR	TI	三年内		1983	只做原装正品	询价
深圳市科雨电子有限公司	LM34910CSDX	TI/德州仪器	25+	WSON10	41	就找我吧!--邀您体验愉快问购元件!	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
深圳市威尔健半导体有限公司	LM34922MY/NOPB	TI/德州仪器	23+	HVSSOP	50000	全新原装正品现货,支持订货	询价
贸泽芯城（深圳）电子科技有限公司	LM3497MMX/NOPB	TI/德州仪器	23+	MSOP-10	5691	一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、	询价
深圳市中联芯电子有限公司	LM34926SDX/NOPB/LM34926SD/NOPB	TI	24+	WSON-8	18000	原装正品有挂有货假一赔十	询价
深圳市金芯世纪电子有限公司	LM3490IMSX-3.3	N/A	22+	NA	100000	代理渠道/只做原装/可含税	询价

更多LM349供应商更新时间2025-12-24 15:27:00

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