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-A 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) (F)
• 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+）