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- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:线性和低压降 (LDO) 稳压器
- 功能描述:具有电源正常指示功能的 500mA、16V、低压降稳压器
- 点击这里打开及下载LP2989LV的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格
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The LP2989LV is a fixed-output 500-mA precision LDO regulator designed for use with ceramic output capacitors.
Output noise can be reduced to 18 µV (typical) by connecting an external 10-nF capacitor to the bypass pin.
Using an optimized Vertically Integrated PNP (VIP) process, the LP2989LV delivers superior performance:
Ground Pin Current: Typically 3 mA at 500-mA load, and 110 µA at 100-µA load.
Sleep Mode: The LP2989LV draws less than 0.8-µA quiescent current when SHUTDOWN pin is pulled low.
ERROR Flag: The built-in ERROR flag goes low when the output drops approximately 5% below nominal.
Precision Output: Output voltage accuracy is 0.75% (A grade) and 1.25% (standard grade) at room temperature.
For output voltages greater than or equal to 2 V, see the LP2989 (SNVS083) data sheet.
- 2.1-V to 16-V Input Voltage Range
- Ultra-Low Dropout Voltage
- 500-mA Continuous Output Current
- Very Low Output Noise With External Capacitor
- < 0.8-μA Quiescent Current When Shut Down
- Low Ground Pin Current at All Loads
- 0.75% Output Voltage Accuracy (A Grade)
- High Peak Current Capability (800-mA typical)
- Overtemperature and Overcurrent Protection
- ?40°C to +125°C Junction Temperature Range
- Output options
- Fixed Output
- Iout (Max) (A)
- 0.5
- Vin (Max) (V)
- 16
- Vin (Min) (V)
- 2.1
- Vout (Max) (V)
- 1.8
- Vout (Min) (V)
- 1.8
- Fixed output options (V)
- 1.8
- Noise (uVrms)
- 18
- Iq (Typ) (mA)
- 0.11
- Thermal resistance θJA (°C/W)
- 35
- Rating
- Catalog
- Load capacitance (Min) (μF)
- 10
- Regulated outputs (#)
- 1
- Features
- Enable, Power good
- Accuracy (%)
- 1.6
- PSRR @ 100 KHz (dB)
- 32
- Dropout voltage (Vdo) (Typ) (mV)
- 160
- Operating temperature range (C)
- -40 to 125
LP2989LV的完整型号有:LP2989AIM-1.8/NOPB、LP2989AIMX-1.8/NOPB、LP2989IM-1.8/NOPB、LP2989IMX-1.8/NOPB、LP2989IM-1.8,以下是这些产品的关键参数及官网采购报价:
LP2989AIM-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989AIM-1.8/NOPB的批量USD价格:1.183(1000+)
LP2989AIMX-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989AIMX-1.8/NOPB的批量USD价格:.993(1000+)
LP2989IM-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989IM-1.8/NOPB的批量USD价格:1.183(1000+)
LP2989IMX-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989IMX-1.8/NOPB的批量USD价格:.993(1000+)
LP2989IM-1.8,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-235C-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LP2989IM-1.8的批量USD价格:1.514(1000+)
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LP2989AIM-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989AIM-1.8/NOPB的批量USD价格:1.183(1000+)
LP2989AIMX-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989AIMX-1.8/NOPB的批量USD价格:.993(1000+)
LP2989IM-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989IM-1.8/NOPB的批量USD价格:1.183(1000+)
LP2989IMX-1.8/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LP2989IMX-1.8/NOPB的批量USD价格:.993(1000+)
LP2989IM-1.8,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-235C-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LP2989IM-1.8的批量USD价格:1.514(1000+)
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