LP38501TS-ADJ/NOPB National Semiconductor, LP38501TS-ADJ/NOPB Datasheet

LP38501TS-ADJ/NOPB

Manufacturer Part Number

LP38501TS-ADJ/NOPB

Description

IC REG LDO 3A FLEXCAP TO263-5

Manufacturer

National Semiconductor

Datasheets

1.LP38501TJ-ADJNOPB.pdf (18 pages)

2.LP38501TS-ADJNOPB.pdf (16 pages)

Specifications of LP38501TS-ADJ/NOPB

Regulator Topology

Positive Adjustable

Voltage - Output

0.6 ~ 5 V

Voltage - Input

2.7 ~ 5.5 V

Voltage - Dropout (typical)

0.42V @ 3A

Number Of Regulators

Current - Output

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

TO-263-5, DÂ²Pak (5 leads + Tab), TO-263BA

Number Of Outputs

Polarity

Positive

Input Voltage Max

5.5 V

Output Voltage

0.6 V to 5 V

Output Type

Adjustable

Dropout Voltage (max)

0.55 V At 3 A

Output Current

3 A

Line Regulation

0.04 %/V

Load Regulation

0.12 %/A

Voltage Regulation Accuracy

+/- 3.5 %

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

For Use With

LP38501TS-ADJEV - 3A FLEXCAP LOW DROPOUT LINEAR RE

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Limit (min)

Lead Free Status / Rohs Status

Details

Other names

LP38501TS-ADJ

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LP38501TS-ADJ/NOPB

Manufacturer:

Quantity:

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Download datasheet (358Kb)

LP38501/3-ADJ, LP38501A/3A-ADJ

3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V

Inputs

General Description

National's FlexCap LDO's feature unique compensation that

allows the use of any type of output capacitor with no limits

on minimum or maximum ESR. The LP38501/3 series of low-

dropout linear regulators operates from a +2.7V to +5.5V input

supply. These ultra low dropout linear regulators respond very

quickly to step changes in load, which makes them suitable

for low voltage microprocessor applications. Developed on a

CMOS process, (utilizing a PMOS pass transistor), the

LP38501/3 has low quiescent current that changes little with

load current.

Ground Pin Current: Typically 2 mA at 3A load current.

Disable Mode: Typically 25 nA quiescent current when the

Enable pin is pulled low.

Simplified Compensation: Stable with any type of output

capacitor, regardless of ESR.

Precision Output: "A" grade versions available with 1.5%

ture.

Typical Application Circuit

ADJ

tolerance (25°C) and 3% over line, load and tempera-

300281

Features

■

Applications

■

FlexCap: Stable with ceramic, tantalum, or aluminum

capacitors

Stable with 10 µF input/output capacitor

Adjustable output voltage from 0.6V to 5V

Low ground pin current

25 nA quiescent current in shutdown mode

Guaranteed output current of 3A

Available in TO-263, TO-263 THIN packages

Guaranteed V

Over-Temperature and Over-Current protection

−40°C to +125°C operating T

Enable pin (LP38501)

ASIC Power Supplies In:

DSP and FPGA Power Supplies

SMPS Regulator

Conversion from 3.3V or 5V Rail

Printers, Graphics Cards, DVD Players

Set Top Boxes, Copiers, Routers

ADJ

accuracy of ±1.5% @ 25°C (A Grade)

accuracy of ±3.5% @ 25°C (STD)

30028119

range

www.national.com

May 19, 2008

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