LP2951-33DG4 Description
The LP2951-33DG4 is a bipolar, low-dropout voltage regulator that can accommodate a wide input supply-voltage range of up to 30 V. The easy-to-use, 3-pin LP2950 is available in fixed-output voltages of 5 V, 3.3 V, and 3 V. However, the 8-pin LP2951-33DG4 is able to output either a fixed or adjustable output from the same device. By tying the OUTPUT and SENSE pins together, and the FEEDBACK and VTAP pins together, the LP2951 outputs a fixed 5 V, 3.3 V, or 3 V (depending on the version). Alternatively, by leaving the SENSE and VTAP pins open and connecting FEEDBACK to an external resistor divider, the output can be set to any value between 1.235V to 30 V.
LP2951-33DG4 Features
Wide Input Range: Up to 30 V
Rated Output Current of 100 mA
Low Dropout: 380 mV (Typ) at 100 mA
Low Quiescent Current: 75 μA (Typ)
Tight Line Regulation: 0.03% (Typ)
Tight Load Regulation: 0.04% (Typ)
Can Be Used as a Regulator or Reference
Stable With Low ESR (> 12 mQ) Capacitors
Current- and Thermal-Limiting Features
LP2951-33DG4 Applications
Applications with High-Voltage Input
Power Supplies
Automotive
Advanced driver assistance systems (ADAS)
Enterprise systems
Enterprise projectors
Personal electronics
Home theater & entertainment
