LM2937IMP-10/NOPB Part Information

Details for LM2937IMP-10/NOPB by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators

Part Description

The LM2937 is a positive voltage regulator capable of supplying up to 500 mA of load current. The use of a PNP power transistor provides a low dropout voltage characteristic. With a load current of 500 mA the minimum input to output voltage differential required for the output to remain in regulation is typically 0.5 V (1-V ensured maximum over the full operating temperature range). Special circuitry has been incorporated to minimize the quiescent current to typically only 10 mA with a full 500-mA load current when the input to output voltage differential is greater than 3 V. The LM2937 requires an output bypass capacitor for stability. As with most low dropout regulators, the ESR of this capacitor remains a critical design parameter, but the LM2937 includes special compensation circuitry that relaxes ESR requirements. The device is stable for all ESR below 3 Ω. This allows the use of low ESR chip capacitors. Ideally suited for automotive applications, the LM2937 will protect itself and any load circuitry from reverse battery connections, two-battery jumps, and up to 60V/−50-V load dump transients. Familiar regulator features such as short circuit and thermal shutdown protection are also built in.

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Part Features

  • 60-V Input Transient Protection
  • Fully Specified for Operation Over u221240u00b0C to 125u00b0C
  • Internal Short Circuit and Thermal Overload Protection
  • Mirror Image Insertion Protection
  • Output Current in Excess of 500 mA
  • Output Trimmed for 5% Tolerance Under all Operating Conditions
  • Reverse Battery Protection
  • Typical Dropout Voltage of 0.5 V at Full Rated Load Current
  • Wide Output Capacitor ESR Range, up to 3 u03a9

Part Specifications

Output Type Fixed
Input Voltage Min 0V
Input Voltage Max 26V
Fixed Output Voltage Nom. 10V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 500mA
Dropout Voltage Vdo 500mV
LDO Regulator Case Style SOT-223
No. of Pins 3Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 10V 500mA LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 5%
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +85°C
Output Current Max 0.5A
Output Voltage Nom. 10V
Primary Input Voltage 26V
Termination Type Surface Mount Device
Voltage Regulator Type LDO Fixed Positive
RoHS Compliant

Alternative Part Descriptions

  • Voltage Regulator,LM2937IMP-10 SOT223 | RS Components
  • LDO VOLTAGE REGULATOR, 10V, 0.5A, SOT-223-4; Output Type:Fixed; Input Voltage Min:0V; Input Voltage Max:26V; Fixed Output Voltage Nom.:10V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:500mA RoHS Compliant: Yes | Newark Electronics
  • 500-mA, 26-V, high-PSRR, low-dropout voltage regulator | Texas Instruments

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