LM2991T - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM2991T
Manufacturer

TI
ChipWorker Part#

CW37471306
Category

Voltage Regulator
Package

TO-220-5
Description

LDO Voltage Regulator, Adjustable, -26V to 300mV in, 600mV drop, -2V to -25V/1A out, TO-220-5
Documentation

Datasheet

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LM2991T Specifications

Attribute	Attribute Value

Part Number	LM2991T
Manufacturer	TI
ChipWorker Part#	CW37471306
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	5 Pin
Case/Package	TO-220-5
Supply Voltage (DC)	300mV (max)
Number of Outputs	1 Output
Output Voltage	≤2.00 V
Output Current	1 A
Supply Current	0.7mA ~ 5mA
Number of Positions	5 Position
Quiescent Current	5 mA
voltage rating	600 mV
Number of Regulated Outputs	1 Output
Input Voltage (Max)	0.3 V
Output Current (Max)	1 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	0.3 V
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Size-Height	9.25 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The LM2991T is a low-dropout adjustable Negative Regulator with output voltage range between -3 to -24V. The LM2991 provides up to 1A of load current and features 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 1A load current is typically 0.6V and an ensured worst-case maximum of 1V over the entire operating temperature range. The quiescent current is typically 1mA with a 1A load current and an input-output voltage differential greater than 3V. A unique circuit design of the internal bias supply limits the quiescent current to only 9mA when the regulator is in the dropout mode. The LM2991 is short-circuit proof and thermal shutdown includes hysteresis to enhance the reliability of the device when inadvertently overloaded for extended periods.
Low quiescent current
Internal short circuit current limit
Internal thermal shutdown with hysteresis
TTL, CMOS compatible ON//OFF switch

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