
LP2980 Micropower 50 mA Ultra Low-Dropout Regulator
STDLP2980 Micropower 50 mA Ultra Low-Dropout Regulator
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:Description
Description
The LP2980-N is a 50-mA, fixed-output voltage regulator designed specifically to meet the requirements of battery-powered applications.
Using an optimized VIP (Vertically Integrated PNP) process, the LP2980-N delivers unequaled performance in all specifications critical to battery-powered designs:
Dropout voltage: Typically 120 mV at 50-mA load, and 7 mV at 1-mA load.
Ground pin current: Typically 375 µA at 50-mA load, and 80 µA at 1-mA load.
Sleep mode: Less than 1-µA quiescent current when ON/OFF pin is pulled low.
Minimum part count: Requires only a 1-µF capacitor on the regulator output.
Precision output: 0.5% tolerance output voltages available (A grade).
Features
2.1-V to 16-V Input Voltage Range
5-V, 4.7-V, 3.3-V, 3-V, and 2.5-V Output Versions
Ultra-Low-Dropout Voltage
Output Voltage Accuracy 0.5% (A Grade)
Ensured 50-mA Output Current
Requires Only 1-µF External Capacitance
< 1-µA Quiescent Current When Shutdown
Low Ground Pin Current at All Load Currents
High Peak Current Capability (150 mA Typical)
Wide Supply Voltage Range (16 V Maximum)
Fast Dynamic Response to Line and Load
Low ZOUT Over Wide Frequency Range
Overtemperature and Overcurrent Protection
Design Drawing
BOM
ID | Name | Designator | Footprint | Quantity |
---|---|---|---|---|
1 | LP2980M5 | U1 | SOT23-5 | 1 |
2 | 1u | C1,C2 | CP_8X13MM | 2 |
3 | SIP4 | P1 | HDR1X4 | 1 |

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