LM2937IMP-8.0/NOPB Part Information
Details for LM2937IMP-8.0/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. | 8V |
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 | 8V 500mA LDO Voltage Regulators |
Automotive Qualification Standard | - |
MSL | MSL 1 - Unlimited |
SVHC | No SVHC (27-Jun-2018) |
Accuracy % | 5% |
Base Number | 2937 |
No. of Outputs | 1Outputs |
Operating Temperature Range | -40°C to +85°C |
Output Voltage Nom. | 8V |
Primary Input Voltage | 13V |
Supply Voltage Max | 26V |
Supply Voltage Min | 10V |
Termination Type | Surface Mount Device |
Voltage Regulator Type | LDO Fixed Positive |
Alternative Part Descriptions
- LDO Regulator Pos 8V 0.5A SOT223 | RS Components
- IC, LDO REG; Output Type:Fixed; Input Voltage Min:0V; Input Voltage Max:26V; Fixed Output Voltage Nom.:8V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:500mA; Dropout Voltage Vdo:500mV; LDO RoHS Compliant: Yes | Newark Electronics
- 500-mA, 26-V, high-PSRR, low-dropout voltage regulator | Texas Instruments