LM2937ET-10/NOPB Part Information

Details for LM2937ET-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 TO-220
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 -
SVHC No SVHC (27-Jun-2018)
Accuracy % 5%
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Output Current Max 0.5A
Output Voltage Max 10.3V
Output Voltage Min 9.7V
Output Voltage Nom. 10V
Primary Input Voltage 26V
Supply Voltage Min 12V
Voltage Regulator Type Fixed
RoHS Compliant

Alternative Part Descriptions

  • IC, REG, LDO, 10V, 500MA, TO220; 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 RoHS Compliant: Yes | Newark Electronics
  • 500-mA, 26-V, high-PSRR, low-dropout voltage regulator | Texas Instruments
  • LDO Voltage Regulator [Texas Instruments] LM2937ET-10/NOPB LDO Voltage Regulator | Distrelec

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