L4949 Series

100 mA LDO Linear Voltage Regulator with Reset, Delay Reset and Early Warning

Catalog

100 mA LDO Linear Voltage Regulator with Reset, Delay Reset and Early Warning

Part	Output Configuration	Voltage Dropout (Max) [Max]	Voltage - Output (Min/Fixed)	Number of Regulators	Package / Case	Package / Case [y]	Package / Case [x]	Supplier Device Package	Voltage - Input (Max) [Max]	Output Type	Current - Supply (Max) [Max]	Control Features	Current - Output	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Current - Quiescent (Iq)	Package / Case	Package / Case
ON Semiconductor L4949D	Positive	0.5 V	5 V	1	8-SOIC	3.9 mm	0.154 in	8-SOIC	28 V	1.81 mOhm	5 mA	Reset	100 mA	125 °C	-40 °C	Surface Mount	260 µA
ON Semiconductor L4949DR2G	Positive	0.5 V	5 V	1	8-SOIC	3.9 mm	0.154 in	8-SOIC	28 V	1.81 mOhm	5 mA	Reset	100 mA	125 °C	-40 °C	Surface Mount	260 µA
ON Semiconductor L4949DG	Positive	0.5 V	5 V	1	8-SOIC	3.9 mm	0.154 in	8-SOIC	28 V	1.81 mOhm	5 mA	Reset	100 mA	125 °C	-40 °C	Surface Mount	260 µA
ON Semiconductor L4949NG	Positive	0.5 V	5 V	1	8-DIP			8-PDIP	28 V	1.81 mOhm	5 mA	Reset	100 mA	125 °C	-40 °C	Through Hole	260 µA	0.3 in	7.62 mm
ON Semiconductor L4949N	Positive	0.5 V	5 V	1	8-DIP			8-PDIP	28 V	1.81 mOhm	5 mA	Reset	100 mA	125 °C	-40 °C	Through Hole	260 µA	0.3 in	7.62 mm

Catalog

100 mA LDO Linear Voltage Regulator with Reset, Delay Reset and Early Warning

Key Features

• 5.0V / 100mA High Precision Standby Output Voltage +/- 1% at 25C ambient temperature

• Very Low Dropout Voltage Less Than 0.4V

• Programmable Reset Pulse Delay With External Capacitor

• Integrated Voltage Sense Comparator and Power On Reset

• Integrated Protections:- Thermal Shutdown- Short CircuitTransient Input Voltage Up to 40V

• AEC-Q100 qualified

Description

The L4949 is a 5.0 V voltage regulator with a very low dropout and additional functions such as power-on reset and input voltage sense.It is designed for supplying the micro-computer controlled systems especially in automotive applications.