(China (Mainland))
Product Summary
The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as power¤Con reset and input. The L4949 is designed for supplying the micro¤Ccomputer controlled system specially in automotive applications.
Parametrics
L4949 absolute maximum ratings: (1) DC Operating Supply Voltage VCC: 28V; (2) Transient Supply Voltage (t < 1.0 s) VCC TR: 40V; (3) Output CurrentIout: Internally limited; (4) Output Voltage Iout: 20V; (5) Sense Input Current ISI: ±1.0mA; (6) Sense Input Voltage VSI: VCC; (7) Maximum Junction Temperature TJ: 150°C; (8) Storage Temperature Range Tstg: -65 to +150°C.
Features
L4949 features: (1) Operating DC Supply Voltage Range 5.0V to 28V; (2) Transient Supply Voltage Up to 40V; (3) Extremely Low Quiescent Current in Standby Mode; (4) High Precision Standby Output Voltage 5.0 V ±1%; (5) Very Low Dropout Voltage Less Than 0.4 V; (6) Programmable Reset Pulse Delay With External Capacitor; (7) Voltage Sense Comparator; (8) Thermal Shutdown and Short Circuit Protections.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 L4949 |
Other |
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Data Sheet |
Negotiable |
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L4949D |
ON Semiconductor |
Low Dropout (LDO) Regulators 5V 100mA w/Power-On |
Data Sheet |
Negotiable |
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L4949DG |
ON Semiconductor |
Low Dropout (LDO) Regulators 5V 100mA w/Power-On Reset |
Data Sheet |
Negotiable |
|
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L4949DR2 |
ON Semiconductor |
Low Dropout (LDO) Regulators 5V 100mA w/Power-On |
Data Sheet |
Negotiable |
|
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L4949DR2G |
ON Semiconductor |
Low Dropout (LDO) Regulators 5V 100mA w/Power-On Reset |
Data Sheet |
Negotiable |
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L4949E |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V Multifunction LDO |
Data Sheet |
Negotiable |
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L4949ED |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V Multifunction LDO |
Data Sheet |
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L4949ED013TR |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V Multifunction LDO |
Data Sheet |
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