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LP3991价格

参考价格：￥1.8846

型号：LP3991TL-0.8/NOPB 品牌：Texas 备注：这里有LP3991多少钱，2026年最近7天走势，今日出价，今日竞价，LP3991批发/采购报价，LP3991行情走势销售排行榜，LP3991报价。

型号	功能描述	生产厂家企业	LOGO
LP3991	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991	具有使能功能的 300mA、低压降稳压器 Operating from a minimum input voltage of 1.65 V, the LP3991 LDO has been designed to provide fixed stable output voltages for load currents up to 300 mA. This device is suitable where accurate low voltages are required from low input voltage sources and is therefore suitable for post regulation of • Input Voltage From 1.65 V to 4 V\n• 1% Accuracy at Room Temperature\n• 50-µA Quiescent Current at 1-mA Load\n• PSRR 65 dB at 1 kHz\n• Stable With Ceramic Capacitors as Small as 0402\n• Thermal-Overload and Short-Circuit Protection;	TI 德州仪器	TI
LP3991	Low Power Consumption LDO	POWER 微源半导体	POWER
LP3991	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991	300mA Linear Voltage Regulator for Digital Applications 文件：1.05663 Mbytes Page：20 Pages	TI 德州仪器	TI
LP3991	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.2SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.2SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.3SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.3SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.5SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.5SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.7SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.7SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.8SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-1.8SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.0SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.0SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.5SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.5SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.8SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-2.8SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-3.0SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TL-3.0SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.2SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.2SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.3SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.3SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.5SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.5SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.8SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-1.8SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-2.5SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-2.5SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-2.8SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-2.8SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-3.0SLASHNOPB	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991TLX-3.0SLASHNOPB.A	LP3991 300-mA LDO for Digital Applications 1 Features 1• Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-μA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-μs Start-Up Time for 1.5-V VOUT	TI 德州仪器	TI
LP3991_14	300mA Linear Voltage Regulator for Digital Applications 文件：1.05663 Mbytes Page：20 Pages	TI 德州仪器	TI
LP3991_15	LP3991 300-mA Linear Voltage Regulator for Digital Applications 文件：1.06147 Mbytes Page：25 Pages	TI 德州仪器	TI
LP3991TL-0.8	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991TL-0.8/NOPB	封装/外壳：4-WFBGA，DSBGA 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带描述：IC REG LINEAR 0.8V 300MA 4DSBGA 集成电路（IC）线性 + 开关稳压器	TI 德州仪器	TI
LP3991TL-1.2	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991TL-1.2/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.2/NOPB	封装/外壳：4-WFBGA，DSBGA 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带描述：IC REG LINEAR 1.2V 300MA 4DSBGA 集成电路（IC）稳压器 - 线性	TI 德州仪器	TI
LP3991TL-1.2SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.3	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991TL-1.3/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.3SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.5	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991TL-1.5/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.55/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.55SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.5SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.7/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.7SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.8	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL
LP3991TL-1.8/NOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-1.8SLASHNOPB	300-mA LDO for Digital Applications 文件：1.12486 Mbytes Page：26 Pages	TI 德州仪器	TI
LP3991TL-2.0	300mA Linear Voltage Regulator for Digital Applications 文件：325.6 Kbytes Page：12 Pages	INTERSIL	INTERSIL

LP3991产品属性

类型
描述
Iout (Max) (A)：
0.3
Vin (Max) (V)：
3.6
Vin (Min) (V)：
1.65
Vout (Max) (V)：
3
Vout (Min) (V)：
1.2
Fixed output options (V)：
1.2
Noise (uVrms)：
280
Iq (Typ) (mA)：
0.05
Thermal resistance θJA (°C/W)：
190
Rating：
Catalog
Load capacitance (Min) (µF)：
4.7
Regulated outputs (#)：
1
Features：
Enable
Accuracy (%)：
2
PSRR @ 100 KHz (dB)：
25
Dropout voltage (Vdo) (Typ) (mV)：
75
Operating temperature range (C)：
-40 to 125

LP3991供应商更多...

更新时间：2026-5-17 16:04:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
深圳市金华微盛电子有限公司	LP3991TL-1.8/NOPB	TI	19+	DSBGA-4	15000		询价
深圳市恒创达实业有限公司	LP3991TL-1.2	NS	17+	SMD	6200	100%原装正品现货	询价
深圳市得捷芯城科技有限公司	LP3991TL-1.3EV	TI	25+	-	7786	原装正品现货,原厂订货,可支持含税原型号开票。	询价
深圳诚思涵科技有限公司	LP3991TL-0.8/NOPB	TexasInstruments	18+	ICREGLDO0.8V0.3A4DSBGA	6800	公司原装现货/欢迎来电咨询!	询价
深圳航星空电子技术有限公司	LP3991TL-0.8/NOPB	TI	23+	NA	3200	公司只做原装，可来电咨询	询价
天津市博通航睿技术有限公司	LP3991TL0.8/NOPB	TI	23+	4DSBGA	7000		询价
艾睿（深圳）半导体有限公司	LP3991TL-0.8/NOPB	TI/德州仪器	2447	NA	100500	一级代理专营品牌!原装正品,优势现货,长期排单到货	询价
深圳市佳斯泰科技有限公司	LP3991TL-0.8/NOPB	TI	22+	4-WFBGA	9000	原厂渠道,现货配单	询价
千层芯半导体(深圳)有限公司	LP3991TL-1.2	TI	24+	SMD	30000	TI一级代理专营品牌绝对进口原装假一赔十	询价
深圳市莱克讯科技有限公司	LP3991TL-1.8/NOPB	TI	25+	DSBGA-4	6800	全新原装公司现货低价	询价

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