LM2990S-12/NOPB

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Price Comparison for LM2990S-12/NOPB
Details for Texas Instruments

LM2990S-12/NOPB

1-A, Negative Low Dropout Regulator
Buy Directly from Texas Instruments (4859 in Stock)
$1.5600 per unit
Series Information for LM2990S-12/NOPB - Texas Instruments

Features

  • feature
    5% Output Accuracy over Entire Operating Range
  • feature
    Dropout Voltage Typically 0.6 V at 1-A Load
  • feature
    Fixed Output Voltages: u22125 V, u22125.2 V, u221212 V, and u221215 V
  • feature
    Functional Complement to the LM2940 Series
  • feature
    Input Voltage: u201326 V to u20136 V
  • feature
    Internal Short-Circuit Current Limit
  • feature
    Internal Thermal Shutdown with Hysteresis
  • feature
    Low Quiescent Current
  • feature
    Output Current in Excess of 1 A

Description

IC V REG LINEAR 12V
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:
1A
Dropout Voltage Vdo:
600mV
LDO Regulator Case Style:
TO-263
No. of Pins:
3Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-12V 1A LDO Voltage Regulators
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
5%
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
1A
Output Voltage Nom.:
-12V
Primary Input Voltage:
-17V
Supply Voltage Max:
0.3V
Supply Voltage Min:
-1V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
LDO Fixed Negative

Alternate Descriptions

Avnet America

LDO Regulator Neg -12V 1.8A 4-Pin(3+Tab) TO-263 Rail

Avnet America product

Avnet Europe

LDO Regulator Neg -12V 1.8A 4-Pin(3+Tab) TO-263 Rail

Avnet Europe product

Texas Instruments

1-A, Negative Low Dropout Regulator

Texas Instruments product