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LM2990 Datasheet PDF

Part Series:LM2990 Series
Category:Voltage Regulators
Description:TEXAS INSTRUMENTS LM2990T-12/NOPB Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -12Vout, 1.5Aout, TO-220-3
Document:LM2990S-12/NOPB Datasheet PDF (28 Pages)

LM2990 Datasheet PDF Voltage Regulators

25 Pages
TI
Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -15Vout, 1Aout, TO-263-3
24 Pages
TI
TEXAS INSTRUMENTS LM2990T-12/NOPB Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -12Vout, 1.5Aout, TO-220-3
24 Pages
TI
LDO Regulator Neg -12V 1.8A 4Pin(3+Tab) TO-263 T/R
24 Pages
TI
TEXAS INSTRUMENTS LM2990T-15/NOPB Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -15Vout, 1Aout, TO-220-3
24 Pages
TI
LDO Regulator Neg -15V 1.8A 4Pin(3+Tab) TO-263 T/R
24 Pages
TI
Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -12Vout, 1Aout, TO-220-3
24 Pages
TI
TEXAS INSTRUMENTS LM2990T-5.0/NOPB Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -5Vout, 1Aout, TO-220-3
24 Pages
TI
LDO Regulator Neg -12V 1.8A 4Pin(3+Tab) TO-263 Tube
24 Pages
TI
TEXAS INSTRUMENTS LM2990S-5.0 Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -5Vout, 1.5Aout, TO-263-3
24 Pages
TI
TEXAS INSTRUMENTS LM2990T-5.2/NOPB Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -5.2Vout, 1.5Aout, TO-220-3
24 Pages
TI
LDO Regulator Neg -12V 1.8A 4Pin(3+Tab) TO-263 T/R
24 Pages
TI
TEXAS INSTRUMENTS LM2990T-5.0 Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -5Vout, 1Aout, TO-220-3
24 Pages
TI
LDO Regulator Neg -15V 1.8A 4Pin(3+Tab) TO-263 T/R
24 Pages
TI
Fixed LDO Voltage Regulator, -26V to 300mV, 600mV Dropout, -15Vout, 1Aout, TO-220-3
14 Pages
National Semiconductor
LDO Regulator Neg -12V 1.8A 3Pin(3+Tab) TO-220 Rail
13 Pages
National Semiconductor
IC, V REG LDO -12V, 2990, TO-220-3,

LM2990T-12/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
3 Pin
Supply Voltage (DC)
300mV (max)
Current Rating
1.50 kA
Case/Package
TO-220-3
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LM2990T-12/NOPB - TI Function Overview

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.
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