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Details for LM2991T/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
LM2991T/NOPB image

LM2991T/NOPB by Texas Instruments

Dropout Voltage Typically 0.6 V at 1-A Load
Functional Complement to the LM2941 Series
Internal Short Circuit Current Limit
Internal Thermal Shutdown With Hysteresis
Low Quiescent Current
Output Current in Excess of 1 A
Output Voltage Adjustable from u22123 V to u221224 V, Typically u22122 V to u221225 V
TTL, CMOS Compatible ON/OFF Switch
Part Information
LM2991T/NOPB image
RoHS Compliant
The LM2991 is a low dropout adjustable negative regulator with a output voltage range between −3 V to −24 V. The LM2991 provides up to 1 A of load current and features a ON /OFF pin for remote shutdown capability. The LM2991 uses new circuit design techniques to provide a low dropout voltage, low quiescent current and low temperature coefficient precision reference. The dropout voltage at 1-A load current is typically 0.6 V and an ensured worst-case maximum of 1 V over the entire operating temperature range. The quiescent current is typically 1 mA with a 1-A load current and an input-output voltage differential greater than 3 V. A unique circuit design of the internal bias supply limits the quiescent current to only 9 mA (typical) when the regulator is in the dropout mode (VOUT − VIN ≤ 3 V). The LM2991 is short-circuit proof, and thermal shutdown includes hysteresis to enhance the reliability of the device when inadvertently overloaded for extended periods. The LM2991 is available in 5lead TO-220 and DDPAK/TO-263 packages and is rated for operation over the automotive temperature range of −40°C to +125°C. Mil-Aero versions are also available.
Output Type:
Input Voltage Min:
Input Voltage Max:
Fixed Output Voltage Nom.:
Adjustable Output Voltage Min:
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Alternate Descriptions
Voltage regulator,LM2991T -25V 1A RS Components
ADJUSTABLE LDO VOLTAGE REGULATOR, -2V TO -25V 1A TO-220-5; Output Type:Adjustable; Input Voltage Min:-26V; Input Voltage Max:300mV; Fixed Output Voltage Nom.:-; Adjustable Output Voltage Min:-3V; Adjustable Output Voltage Max:-24V RoHS Compliant: Yes Newark Electronics
LDO Regulator Neg -3V to -24V 1A 5-Pin(5+Tab) TO-220 Rail Avnet America
LDO Regulator Neg -3V to -24V 1A 5-Pin(5+Tab) TO-220 Rail Avnet Europe
LDO Voltage Regulator [Texas Instruments] LM2991T/NOPB LDO Voltage Regulator Distrelec