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型号	下载订购	功能描述	制造商上传企业	LOGO
LM34910SDXSLASHNOPB.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
LM34914	文件：1.12276 Mbytes Page：23 Pages	LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SD/NOPB	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SD/NOPB.A	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SD/NOPB.B	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SDSLASHNOPB	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SDSLASHNOPB.A	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34914SDSLASHNOPB.B	文件：1.12276 Mbytes Page：23 Pages	丝印：34914；Package：WSON；LM34914 Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit 1FEATURES 2• Input Voltage Range: 8V to 40V • Integrated N-Channel Buck Switch • Valley Current Limit Varies with VIN and VOUT to Reduce Excessive Inductor Current • On-time is Reduced when in Current Limit • Integrated Start-Up Regulator • No Loop Compensation Required • Ultra-Fast Transi 文件：1.12276 Mbytes 页数：23 Pages	TI 德州仪器	TI
LM34917A	文件：561.85 Kbytes Page：22 Pages	LM34917A Ultra Small 33V, 1.25A Constant On-Time Buck Switching Regulator with Intelligent Current Limit 1FEATURES 2• Functional Input Voltage Range: 8V to 33V • DSBGA package • Input Over-Voltage Shutdown at ≊35V • Transient Capability to 50V • Integrated N-Channel buck switch • Valley current limit varies with VIN and VOUT to reduce excessive inductor current • On-time is reduced when in cu 文件：561.85 Kbytes 页数：22 Pages	TI 德州仪器	TI
LM34917ATL/NOPB	文件：561.85 Kbytes Page：22 Pages	丝印：SRHA；Package：DSBGA；LM34917A Ultra Small 33V, 1.25A Constant On-Time Buck Switching Regulator with Intelligent Current Limit 1FEATURES 2• Functional Input Voltage Range: 8V to 33V • DSBGA package • Input Over-Voltage Shutdown at ≊35V • Transient Capability to 50V • Integrated N-Channel buck switch • Valley current limit varies with VIN and VOUT to reduce excessive inductor current • On-time is reduced when in cu 文件：561.85 Kbytes 页数：22 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
深圳市粤科源兴科技有限公司	LM34910SD	NS	13+	csp-10QFN	7758	原装分销	询价
深圳市卓越微芯电子有限公司	LM34927SD/NOPB	Nationa	25+	WSON(NG	8799	百分百原装正品真实公司现货库存本公司只做原装可	询价
千层芯半导体(深圳)有限公司	LM34927MR/NOPB	NS	24+	原厂原封	6523	进口原装公司百分百现货可出样品	询价
深圳市豪迈兴电子有限公司	LM34917ATL	TI	24+	DSBGA12	4652	公司原厂原装现货假一罚十!特价出售!强势库存!	询价
谛辉(北京/上海/青岛 )电子科技有限公司	LM3490IM5X-5.0/NOPB	NSC	25+	SSOP	18000	原厂直接发货进口原装	询价
深圳市恒创达实业有限公司	LM349N		17+		6200	100%原装正品现货	询价
深圳市毅创腾电子科技有限公司	LM3490IM5X-3.3	NS		SOT23	494	正品原装--自家现货-实单可谈	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

更多LM349供应商更新时间2025-12-24 15:27:00

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