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MICROCHIP MIC2951-02BN product image
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MICROCHIP MIC2951-02BN

Manufacturer
MICROCHIP
MPN
MIC2951-02BN
LCSC Part #
C3749896
Packaging
PDIP-8
Customer #
Key Attributes
Positive PDIP-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Datasheetpdf iconMICROCHIP MIC2951-02BN
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200+$ 0.1453$ 29.06
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1,000+$ 0.1376$ 137.60
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerMICROCHIP
PackagingPDIP-8
Output Voltage5V;1.24V~29V
Number of Outputs1
Operating Temperature-40℃~+125℃@(Tj)
Supply Current (Iq)180uA
Output ConfigurationPositive
Operating Voltage30V
Output Current150mA
FeaturesEnable control;Operating status indication;Reset function;Reverse polarity voltage protection;Over Current Protection;Thermal shutdown
Output TypeFixed;Adjustable
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Introduction

AI Translation

The MIC2950 and MIC2951 are “bulletproof” micropower voltage regulators with very low dropout voltage (typically 40mV at light loads and 250mV at 100mA), and very low quiescent current. Like their predecessors, the LP2950 and LP2951, the quiescent current of the MIC2950/MIC2951 increases only slightly in dropout, thus pro-longing battery life. The MIC2950/MIC2951 are pin for pin compatible with the LP2950/LP2951, but offer lower dropout, lower quiescent current, reverse battery, and automotive load dump protection. The key additional features and protection offered include higher output current (150mA), positive transient protection for up to 60V (load dump), and the ability to survive an unregulated input voltage transient of –20V below ground (reverse battery). The plastic DIP and SOIC versions offer additional system functions such as programmable output voltage and logic controlled shutdown. The 3-pin TO-92 MIC2950 is pincompatible with the older 5V regulators. These system functions also include an error flag output that warns of a low output voltage, which is often due to failing batteries on the input. This may also be used as a power-on reset. A logic-compatible shutdown input is also available which enables the regulator to be switched on and off. This part may also be pin-strapped for a 5V output, or programmed from 1.24 V to 29 V with the use of two external resistors.

Features

AI Translation
  • High accuracy 3.3, 4.85, or 5V, guaranteed 150mA output
  • Extremely low quiescent current
  • Low-dropout voltage
  • Extremely tight load and line regulation
  • Very low temperature coefficient
  • Use as regulator or reference
  • Needs only 1.5μF for stability
  • Current and thermal limiting
  • Unregulated DC input can withstand –20V reverse battery and +60V positive transients
  • Error flag warns of output dropout (MIC2951 Version Only)
  • Logic-controlled electronic shutdown (MIC2951 Version Only)
  • Output programmable from 1.24 to 29V (MIC2951 Version Only)

Applications

AI Translation
  • Automotive electronics
  • Voltage reference
  • Cellular telephones
  • Battery powered equipment
  • SMPS post-regulator
  • High efficiency linear power supplies