NCP1086T-033G datasheet(1/14 Pages) ONSEMI

Part #	NCP1086T-033G

Description	1.5 A Adjustable and 3.3 V Fixed Output Linear Regulator

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May, 2005 − Rev. 6

1

Publication Order Number:

NCP1086/D

NCP1086

1.5 A Adjustable and 3.3 V

Fixed Output Linear

Regulator

The NCP1086 linear regulator provides 1.5 A at 3.3 V or adjustable

output voltage. The adjustable output voltage device uses two external

resistors to set the output voltage within a 1.25 V to 5.5 V range.

The regulators is intended for use as post regulator and

microprocessor supply. The fast loop response and low dropout

voltage make this regulator ideal for applications where low voltage

operation and good transient response are important.

The circuit is designed to operate with dropout voltages less than

1.4 V at 1.5 A output current. Device protection includes overcurrent

and thermal shutdown.

This device is pin compatible with LT1086 family of linear

regulators and has lower dropout voltage.

The regulators are available in TO−220−3, surface mount

D2PAK−3, and SOT−223 packages.

Features

• Output Current to 1.5 A

• Output Accuracy to ±1% Over Temperature

• Dropout Voltage (Typical) 1.05 V @ 1.5 A

• Fast Transient Response

• Fault Protection Circuitry

♦ Current Limit

♦ Thermal Shutdown

• Pb−Free Packages are Available

5.0 V

VIN

VOUT

Adj

NCP1086

10

mF

5.0 V

124

W

1.0%

200

W

1.0%

22

mF

5.0 V

3.3 V

@ 1.5 A

VIN

VOUT

GND

NCP1086

10

mF

5.0 V

22

mF

5.0 V

3.3 V

@ 1.5 A

Figure 1. Application Diagram, Adjustable Output

Figure 2. Application Diagram, 3.3 V Fixed Output

SOT−223

ST SUFFIX

CASE 318E

TO−220−3

T SUFFIX

CASE 221A

Tab = VOUT

Pin 1. Adj

2. VOUT

3. VIN

1

2

3

Adjustable

Output

3.3 V Fixed

Output

Tab = VOUT

Pin 1. GND

2. VOUT

3. VIN

See general marking information in the device marking

section on page 10 of this data sheet.

DEVICE MARKING INFORMATION

1

2

3

http://onsemi.com

D2PAK−3

DP SUFFIX

CASE 418AB

1

2

3

See detailed ordering and shipping information in the package

dimensions section on page 9 of this data sheet.

ORDERING INFORMATION

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