Product Summary
The L4949EP013TR is a monolithic integrated 5V voltage regulator with a very low dropout output and additional functions as power-on reset and input voltage sense. It is designed for supplying the microcomputer controlled systems especially in automotive applications.
Parametrics
L4949EP013TR absolute maximum ratings: (1)DC Operating Supply Voltage: 28 V; (2)Transient Supply Voltage (T < 1s): 40 V; (3)Output Voltage: 20 V; (4)Output Voltage: 20 V; (5) Output Current: 5 mA; (6)Preregulator Output Voltage: 7 V; (7)Preregulator Output Current: 5 mA; (8)Junction Temperature: -40 to +150℃; (9)Storage Temperature Range: -55 to +150℃.
Features
L4949EP013TR features: (1)operating DC supply voltage range 5V to 28V; (2)transient supply voltage up to 40Voutput current capability up to 100mA; (3)very low dropout voltage less than 0.5V; (4)voltage sense comparators; (5)thermal shutdown and short circuit protections.
Diagrams

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![]() L4949EP013TR |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 5V Multifunction LDO |
![]() Data Sheet |
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| Image | Part No | Mfg | Description | ![]() |
Pricing (USD) |
Quantity | ||||||||||||
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![]() L4940D2T10 |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 10V 1.5A Positive |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() L4940D2T10-TR |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 10V 1.5A Positive |
![]() Data Sheet |
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![]() |
![]() L4941D2T |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 5.0V 1.0A Positive |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() L4947R |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 5.0V 0.5A Positive |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() L4947L |
![]() STMicroelectronics |
![]() Low Dropout (LDO) Regulators 5.0V 0.5A Positive |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() L4946B |
![]() Other |
![]() |
![]() Data Sheet |
![]() Negotiable |
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(China (Mainland))










