Product Summary
The LP2951CMMX is a micropower voltage regulator which specifically designed to maintain proper regulation with an extremely low input–to–output voltage differential. The LP2951CMMX features a very low quiescent bias current of 75 mA and are capable of supplying output currents in excess of 100 mA. Internal current and thermal limiting protection is provided. The LP2951CMMX has three additional features. The first is the Error Output that can be used to signal external circuitry of an out of regulation condition, or as a microprocessor power–on reset.
Parametrics
LP2951CMMX absolute maximum ratings: (1)Feedback Input Voltage, Vfb: -1.5 to +30Vdc; (2)Shutdown Input Voltage, Vsd: -0.3 to +30Vdc; (3)Error Comparator Output Voltage, Verr: -0.3 to +30Vdc; (4)Operating Junction Temperature, TJ: -40 to +125℃; (5)Storage Temperature Range, Tstg: -65 to +150℃.
Features
LP2951CMMX features: (1)Low Quiescent Bias Current of 75 mA; (2)Low Input-to-output Voltage Differential of 50 mV at 100 mA and; (3)80 mV at 100 mA; (4)5.0 V, 3.3 V or 3.0 V ±0.5% Allows Use as a Regulator or Reference; (5)Extremely Tight Line and Load Regulation; (6)Requires Only a 1.0 mF Output Capacitor for Stability; (7)Internal Current and Thermal Limiting; (8)Error Output Signals an Out of Regulation Condition; (9)Output Programmable from 1.25 V to 29 V; (10)Logic Level Shutdown Input (See Following Page for Device Information).
Diagrams
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![]() LP2951CMMX/NOPB |
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![]() LP2951CMMX-3.0/NOPB |
![]() National Semiconductor (TI) |
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![]() LP2951CMMX-3.3/NOPB |
![]() National Semiconductor (TI) |
![]() Low Dropout (LDO) Regulators |
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![]() LP2951CMMX-3.0 |
![]() National Semiconductor (TI) |
![]() Low Dropout (LDO) Regulators |
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![]() LP2951CMMX-3.3 |
![]() National Semiconductor (TI) |
![]() Low Dropout (LDO) Regulators |
![]() Data Sheet |
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