采用BCD4技术的L49系列（亦称作L49xx系列）包含一组LDO稳压器，其电压为5V，负载电流可达500mA。PMOS晶体管通道元件可以保证实现400/500 mV的超低压降电压和低静态电流。除了短路和热保护功能以外，L49系列还嵌入了复位、看门狗和使能引脚等特性。
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L5300EPT
5 V low dropout voltage regulator
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L5150CJ
Automotive 5V Low Dropout Voltage Regulator
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L99VR02J
Automotive Linear Voltage Regulator with Configurable Output Voltage having 500mA current capability
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L5150BN
Automotive 5V Low Dropout Voltage Regulator
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L5300GJ
Automotive 5V Low Drop Voltage Regulator
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L4989D
Automotive Low Power Voltage Regulator
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L4989MD
Automotive Low Power Voltage Regulator
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L4979MD
Automotive Low Drop Voltage Regulator
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L5150GJ
Automotive 5V Low Drop Voltage Regulator
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L4988
Automotive Low Drop Voltage Regulator
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L9777
Low power voltage regulator
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L4979D
Automotive Low Drop Voltage Regulator
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L4993
Automotive Low Drop Voltage Regulator With Watchdog
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L5300RPT
Automotive 5V Low Dropout Voltage Regulator
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L99VR01
Automotive Linear Voltage Regulator with Configurable Output Voltage (0.8V,1.2V, 1.5V,1.8V,2.5V,2.8V,3.3V,5V) having 200mA current capability
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L5050S
5V Low Drop Linear Voltage Regulator for Automotive Application
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L4949ED-E
Automotive Multifunction Very Low Drop Voltage Regulator
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L4949EP-E
Automotive Multifunction Very Low Drop Voltage Regulator
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L4925
Very Low Drop Voltage Regulator
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L5300AH7
Automotive 5V Low Dropout Voltage Regulator
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L5150CS
Automotive 5V Low Dropout Voltage Regulator
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L4938EPD
Advanced Voltage Regulator
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L99VR02XP
Dual Automotive Linear Voltage Regulator with Configurable Output Voltage (2x250mA Current Capability)
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L4995
Automotive 5V, 500mA Low Drop Voltage Regulator
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