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Details for LM2990T-12/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
LDO VOLTAGE REGULATOR -12V 1.5A TO-22
LM2990T-12/NOPB image

LM2990T-12/NOPB by Texas Instruments

LDO VOLTAGE REGULATOR -12V 1.5A TO-22
Features
5% Output Accuracy over Entire Operating Range
Dropout Voltage Typically 0.6 V at 1-A Load
Fixed Output Voltages: u22125 V, u22125.2 V, u221212 V, and u221215 V
Functional Complement to the LM2940 Series
Input Voltage: u201326 V to u20136 V
Internal Short-Circuit Current Limit
Internal Thermal Shutdown with Hysteresis
Low Quiescent Current
Output Current in Excess of 1 A
Part Information
LM2990T-12/NOPB image
RoHS Compliant
Description
The LM2990 is a three-terminal, low-dropout, 1-A negative voltage regulator available with fixed output voltages of −5 V, −5.2 V, −12 V, and −15 V. The LM2990 uses circuit design techniques to provide low-dropout and low-quiescent current. 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 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). Output voltage accuracy is ensured to ±5% over load and temperature extremes. The LM2990 also implements short-circuit proof, and thermal shutdown includes hysteresis to enhance the reliability of the device when overloaded for an extended period of time. All these features make the LM2990 an ideal negative power supply suited for dual supply systems. The device may also be used as fixed or adjustable current sink load. The LM2990 is available in two 3-pin packages and is rated for operation over the junction temperature range of −40°C to 125°C.
Specifications
Output Type:
Fixed
Input Voltage Min:
-26V
Input Voltage Max:
300mV
Fixed Output Voltage Nom.:
-12V
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Output Current:
1.5A
Alternate Descriptions
1A Negative LDO Regulator LM2990T-12 RS Components
LDO VOLTAGE REGULATOR, -12V, 1.5A, TO-220; Output Type:Fixed; Input Voltage Min:-26V; Input Voltage Max:300mV; Fixed Output Voltage Nom.:-12V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:1.5A RoHS Compliant: Yes Newark Electronics
LDO Regulator Neg -12V 1.8A 3-Pin(3+Tab) TO-220 Rail Avnet America
LDO Regulator Neg -12V 1.8A 3-Pin(3+Tab) TO-220 Rail Avnet Europe
LDO Voltage Regulator [Texas Instruments] LM2990T-12/NOPB LDO Voltage Regulator Distrelec