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TI LP2951-50QDRQ1 product image
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TI LP2951-50QDRQ1RoHS

Manufacturer
TI
MPN
LP2951-50QDRQ1
LCSC Part #
C90784
Packaging
SOIC-8
Customer #
Key Attributes
Automotive 100mA, 30V, Low Dropout Regulator with Power Good Indicator and Enable Function
Datasheetpdf iconTI LP2951-50QDRQ1
In-Stock: 199
199 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.6855$ 0.69
10+$ 0.5617$ 5.62
30+$ 0.4999$ 15.00
100+$ 0.438$ 43.80
500+$ 0.4022$ 201.10
1,000+$ 0.3827$ 382.70
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerTI
PackagingSOIC-8
Output Voltage5V;1.235V~30V
Number of Outputs1
Operating Temperature-40℃~+125℃
Supply Current (Iq)75uA
Output ConfigurationPositive
Output Current100mA
Operating Voltage30V
Output TypeAdjustable;Fixed
FeaturesEnable control;Reset function;Over Current Protection;Thermal shutdown
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LP2951-xx-Q1 devices are bipolar, low-dropout voltage regulators that can accommodate a wide input supply-voltage range of up to 35 V. The 8-pin LP2951-xx-Q1 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 V_TAP pins together, the LP2951-xxQ1 outputs a fixed 5 V and 3.3 V (depending on the version). Alternatively, by leaving the SENSE and V_TAP pins open and connecting FEEDBACK to an external resistor divider, the output can be set to any value between 1.235 V to 30 V.

The 8-pin LP2951-xx-Q1 also offers additional functionality that makes it particularly suitable for battery-powered applications. For example, a logic-compatible shutdown feature allows the regulator to be put in standby mode for power savings. In addition, there is a built-in supervisor reset function in which the ERROR output goes low when V_OUT drops by 6% of its nominal value for whatever reasons – due to a drop in V_IN, current limiting, or thermal shutdown.

The LP295x-xx-Q1 devices are designed to minimize all error contributions to the output voltage. With a tight output tolerance (0.5% at 25°C), a very low output voltage temperature coefficient (20 ppm typical), extremely good line and load regulation (0.3% and 0.4% typical), and remote sensing capability, the parts can be used as either low-power voltage references or 100-mA regulators.

Features

AI Translation
  • Qualified for Automotive Applications
  • Wide Input Range: Up to 35 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)
  • High V_0 Accuracy: 1.4% at 25°C, 2% Over Temperature
  • Can Be Used as a Regulator or Reference
  • Stable With Low ESR (> 2 mΩ) Capacitors
  • Current- and Thermal-Limiting Features
  • 8-Pin Package – Fixed Voltages: 5 V/ADJ and 3.3 V/ADJ
  • Low-Voltage Error Signal on Falling Output
  • Shutdown Capability
  • Remote Sense Capability for Optimal Output Regulation and Accuracy

Applications

AI Translation
  • Automotive Power
  • Battery to MCU Regulator
  • Sensor Supply
  • Infotainment
  • Body Control Module
  • Secondary Side Regulation
  • Point of Load Regulation