Specification	LM1086CT-ADJ/NOPB

Current - Output	1.5 A
Current - Quiescent (Iq)	5 mA
Current - Supply (Max) [Max]	10 mA
Mounting Type	Through Hole
Number of Regulators	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	0 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	TO-220-3
Protection Features	Over Temperature, Over Current, Short Circuit
PSRR	75 dB
Supplier Device Package	TO-220-3
Voltage - Input (Max) [Max]	29 V
Voltage - Output (Min/Fixed)	1.2 V
Voltage Dropout (Max) [Max]	1.5 V

LM1086-MIL Series

1.5A Fixed / Adjustable Output Linear Regulator

Part	Number of Regulators	Output Configuration	Current - Quiescent (Iq)	Protection Features	Voltage Dropout (Max) [Max]	Voltage - Output (Min/Fixed)	Package / Case	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Current - Output	Current - Supply (Max) [Max]	Mounting Type	Supplier Device Package	Voltage - Input (Max) [Max]	PSRR	Output Type
Texas Instruments LM1086IS-3.3/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	3.3 V	D2PAK (3 Leads + Tab) TO-263-4 TO-263AA	1.81 mOhm	125 °C	-40 °C	1.5 A	10 mA	Surface Mount	TO-263 (DDPAK-3)	27.5 V	72 dB
Texas Instruments LM1086CT-5.0	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	5 V	TO-220-3	1.81 mOhm	125 °C	0 °C	1.5 A	10 mA	Through Hole	TO-220-3	25 V	68 dB
Texas Instruments LM1086IS-3.3	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	3.3 V	D2PAK (3 Leads + Tab) TO-263-4 TO-263AA	1.81 mOhm	125 °C	-40 °C	1.5 A	10 mA	Surface Mount	TO-263 (DDPAK-3)	27.5 V	72 dB
Texas Instruments LM1086IS-ADJ/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	1.2 V	D2PAK (3 Leads + Tab) TO-263-4 TO-263AA		125 °C	-40 °C	1.5 A	10 mA	Surface Mount	TO-263 (DDPAK-3)	29 V	75 dB	Adjustable
Texas Instruments LM1086ILD-ADJ/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	1.2 V	8-WDFN Exposed Pad		125 °C	-40 °C	1.5 A	10 mA	Surface Mount	8-WSON (4x4)	29 V	75 dB	Adjustable
Texas Instruments LM1086IS-5.0/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	5 V	D2PAK (3 Leads + Tab) TO-263-4 TO-263AA	1.81 mOhm	125 °C	-40 °C	1.5 A	10 mA	Surface Mount	TO-263 (DDPAK-3)	25 V	68 dB
Texas Instruments LM1086CT-ADJ/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	1.2 V	TO-220-3		125 °C	0 °C	1.5 A	10 mA	Through Hole	TO-220-3	29 V	75 dB	Adjustable
Texas Instruments LM1086CS-ADJ/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	1.2 V	D2PAK (3 Leads + Tab) TO-263-4 TO-263AA		125 ¯C	0 °C	1.5 A	10 mA	Surface Mount	TO-263 (DDPAK-3)	29 V	75 dB	Adjustable
Texas Instruments LM1086CT-3.3/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	3.3 V	TO-220-3	1.81 mOhm	125 °C	0 °C	1.5 A	10 mA	Through Hole	TO-220-3	27 V	72 dB
Texas Instruments LM1086IT-3.3/NOPB	1	Positive	5 mA	Over Current Over Temperature Short Circuit	1.5 V	3.3 V	TO-220-3	1.81 mOhm	125 °C	-40 °C	1.5 A	10 mA	Through Hole	TO-220-3	27 V	72 dB

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 2.27
		10	$ 2.04
		45	$ 1.92
		135	$ 1.64
		270	$ 1.54
		540	$ 1.35
		1035	$ 1.12
		2520	$ 1.04
		5040	$ 1.00
Texas Instruments	TUBE	1	$ 1.71
		100	$ 1.41
		250	$ 1.01
		1000	$ 0.76

Description

General part information

LM1086-MIL Series

The LM1086-MIL is a regulator with a maximum dropout of 1.5 V at 1.5 A of load current. The device has the same pin-out as TI’s industry standard LM317.

Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1086-MIL. Fixed output voltage versions integrate the adjust resistors. Typically, no input capacitor is needed unless the device is situated more than 6 inches from the input filter capacitors. Output capacitor can be replaced with ceramic and appropriate ESR.

The LM1086-MIL circuit includes a zener trimmed bandgap reference, current limiting, and thermal shutdown. Because the LM1086-MIL regulator is floating and detects only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. Exceeding the maximum input-to-output deferential will result in short-circuiting the output. By connecting a fixed resistor between the adjustment pin and output, the LM1086-MIL can be also used as a precision current regulator.

Documents

Technical documentation and resources

Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)

Application note

Die D/S LM1086-ADJ MDC 1.5A Low Dropout Positive Regulators

More literature

LM1086CT-ADJ/NOPB

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LM1086CT-ADJ/NOPB

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Technical Specifications

LM1086-MIL Series

Pricing

Description

LM1086-MIL Series

Documents

A Topical Index of TI LDO Application Notes (Rev. F)

Packaging Limits Range of Linear Regulators

AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)

Understanding the Terms and Definitions of LDO Voltage Regulators

Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)

Create a simple LED driver

Linear power for automated industrial systems

LDO PSRR Measurement Simplified (Rev. A)

LM1086 1.5-A Low Dropout Positive Voltage Regulators datasheet (Rev. J)

AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)

Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)

Die D/S LM1086-ADJ MDC 1.5A Low Dropout Positive Regulators

LM1086-MIL Series