onsemi L4949N
The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor controlled systems particularly in automotive applications.| Part No. | L4949N |
|---|---|
| Datasheet | L4949N Download |
| Manufacturer |  onsemi |
| Description | Low Dropout Voltage Regulator |
| Buy | Stock & Price |
FEATURES
● Operating DC Supply Voltage Range 5.0 V to 28 V● Transient Supply Voltage Up to 40 V
● Extremely Low Quiescent Current in Standby Mode
● High Precision Output Voltage 5.0 V ±1%
● Output Current Capability Up to 100 mA
● Very Low Dropout Voltage Less Than 0.4 V
● Reset Circuit Sensing The Output Voltage
● Programmable Reset Pulse Delay
● Voltage Sense Comparator
● Thermal Shutdown and Short Circuit Protections
● NCV Prefix for Automotive and Other
APPLICATIONS
Requiring Site and Change Control● These are Pb−Free Devices Supply Voltage (VCC) 1 Output Voltage (Vout) VZ 3 8 CT 4 Preregulator 6.0 V 2.0 mA Sense Input (Si) 2 Regulator Vs 1.23 Vref Reset + - 2.0 V + Sense 1.23 V 5 GND Figure 1. Representative Block Diagram Reset 6 Sense Output (So) 7 8 1 8 1 8 1 MARKING DIAGRAMS 8 PDIP−8 N SUFFIX CASE 626 L4949N AWL YYWWG 1 8 SOIC−8 D SUFFIX CASE 751 L4949 ALYWD G 1 8 SOIC−8 EP PD SUFFIX CASE 751AC V4949 ALYWG G 1 20 20 1 SOIC−20W DW SUFFIX CASE 751D L4949DW AWLYYWWG 1 A = Assemb...
