L4949N
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 m A
- Very Low Dropout Voltage Less Than 0.4 V
- Reset Circuit Sensing The Output Voltage
- Programmable Reset Pulse Delay
- Voltage Sense parator
- 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)
Output
Voltage (Vout)
VZ 3
CT 4
Preregulator 6.0 V
2.0 m A
Sense Input
(Si)
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 http://onsemi.
8 1
8 1
8 1
MARKING DIAGRAMS...
