(China (Mainland))
Product Summary
DESCRIPTION:The L4949E 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
ABSOLUTE MAXIMUM RATINGS
VSDC DC Operating Supply Voltage: 28 V
VSTR Transient Supply Voltage (T < 1s) :40 V
IO Output Current Internally Limited
VO Output Voltage :20 V
VRES, VSO Output Voltage :20 V
IRES, ISO Output Current :5 mA
VZ Preregulator Output Voltage :7 V
IZ Preregulator Output Current :5 mA
TJ Junction Temperature: -40 to +150 °C
Tstg Storage Temperature Range :-55 to +150 °C
Features
(1)OPERATING DC SUPPLY VOLTAGE RANGE 5V - 28V;
(2)TRANSIENT SUPPLY VOLTAGE UP TO 40V;
(3)EXTREMELY LOW QUIESCENT CURRENT IN STANDBY MODE;
(4)HIGH PRECISION STANDBY OUTPUT VOLTAGE 5V±1%;
(5)OUTPUT CURRENT CAPABILITY UP TO 100mA;
(6)VERY LOW DROPOUT VOLTAGE LESS THAN 0.5V;
(7)RESET CIRCUIT SENSING THE OUTPUT VOLTAGE;
(8)PROGRAMMABLE RESET PULSE DELAY WITH EXTERNAL CAPACITOR;
(9)VOLTAGE SENSE COMPARATOR;
(10)THERMAL SHUTDOWN AND SHORT CIRCUIT PROTECTIONS
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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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L4949ED-E |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V MULTIFUNCTION LDO |
Data Sheet |
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L4949EDMITTR |
STMicroelectronics |
Low Dropout (LDO) Regulators BODY SMARTPOWER |
Data Sheet |
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L4949EDTR-E |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V MULTIFUNCTION LDO |
Data Sheet |
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L4949EDTRWTR |
STMicroelectronics |
Low Dropout (LDO) Regulators BODY SMARTPOWER |
Data Sheet |
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L4949EP |
STMicroelectronics |
Low Dropout (LDO) Regulators 5V Multifunction LDO |
Data Sheet |
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